Shared Flashcard Set

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comtia a+
transcender questions
634
Computer Networking
Beginner
05/02/2016

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Cards

Term
How does communication occur in half-duplex mode?
Definition
A single communication channel is used for both transmitting and receiving.
Term
Enhanced Capabilities Port (ECP) and Enhanced Parallel Port (EPP) are part of which IEEE standard?
Definition
IEEE 1284
Term
How does communication occur in simplex mode?
Definition
Two separate channels are used for transmitting and receiving the signal.
Term
Which IP address and subnet mask are obtained by the network adapter that is connected to a home network or to a small-office network when you enable the Internet Connection Sharing?
Definition
a new static IP address of 192.168.0.1 with a subnet mask of 255.255.255.0
Term
Which software option is used to modify the page orientation when printing?
Definition
Page Setup or Print Setup
Term
Which type of paper is used by thermal printers?
Definition
thermochromic paper
Term
What are the five IEEE 1284 data transfer modes used for parallel ports?
Definition
compatibility mode, nibble mode, byte mode, Enhanced Parallel Port (EPP), and Enhanced Capabilities Port (ECP)
Term
The IP address 192.168.0.1 is reserved for which type of network?
Definition
A private network
Term
What should you do after connecting a touch screen monitor to your computer?
Definition
Calibrate the monitor.
Term
Which device in an inkjet printer sprays droplets of ink onto a sheet of paper while printing?
Definition
print head
Term
Which RAID implementation offers no fault tolerance but fast writing speeds?
Definition
raid 0
Term
What are the maximum data transfer speeds offered by 2x, 4x, and 8x Accelerated Graphics Port (AGP) bus devices?
Definition
2x - 533 MBps
4x - 1.07 GBps
8x - 2.1 GBps
Term
Which flash memory device provides encrypted storage of data?
Definition
Secure Digital (SD)
Term
Which type of device requires bus mastering?
Definition
PC card
Term
Which Interrupt Request (IRQ) is used for Small Computer System Interface (SCSI) controllers?
Definition
IRQ 9
Term
Why should you only use laser toner cartridges from the printer's manufacturer?
Definition
to ensure optimum performance of your printer and to prevent problems caused by third-party cartridges
Term
How many bits of data per cycle are used by the second generation of Double Data Rate (DDR) SDRAM?
Definition
four
Term
Which component of a dot-matrix printer has a combination of pins that hit the ribbon, printing characters on a paper?
Definition
print head
Term
Where should you connect a static wrist strap to?
Definition
Attach the wrist strap to the chassis of the computer.
Term
What is the commonly used form factor for computer case and motherboard design?
Definition
the Advanced Technology Extended (ATX)
Term
Which component on a motherboard is used to plug various removable cards?
Definition
Answer:
bus slots
Term
What is meant by the term horizontal refresh rate?
Definition
Answer:
the rate at which the electron beam moves across the screen
Term
Which Interrupt Request (IRQ) is reserved for secondary IDE controller?
Definition
Answer:
IRQ 15
Term
What is an RS-232 connection?
Definition
Answer:
a 9-pin serial connection
Term
Which printer can print on continuous paper?
Definition
Answer:
dot-matrix printer
Term
Which command is used to trace the IP traffic route through intermediate routers and system network interfaces, identifying the full path traveled from source to destination?
Definition
Answer:
TRACERT
Term
Which type of drive requires an ID to be set on the drive?
Definition
Answer:
SCSI
Term
Which interrupt does the real-time clock use?
Definition
Answer:
IRQ 8
Term
Which component do you install in a computer to establish a physical connection to the network media?
Definition
Answer:
Network Interface Card (NIC)
Term
Which powdery substance is used to print text and graphics in laser printers?
Definition
Answer:
toner
Term
What is the common name for PC cards in laptop?
Definition
Answer:
PCMCIA
Term
Which feature of a printer stores output from a computer until it can be printed?
Definition
Answer:
printer buffer
Term
Which Windows feature allows you to preserve your portable computer batteries by saving the contents of memory to the disk so they will be available the next time you log in?
Definition
Answer:
the Hibernate feature
Term
Which type of central processing unit (CPU) socket is used by Pentium III and Celeron processors and is a replacement for the Slot 1 CPU interface?
Definition
Answer:
Socket 370
Term
Which type of thermal transfer printer melts sticks of colored ink before a drum can transfer the ink to the media?
Definition
Answer:
phase-change printer, also referred as solid ink printer
Term
Which cable is used to connect Small Computer System Interface (SCSI) devices to a computer?
Definition
Answer:
50-pin ribbon cable
Term
Which service determines the IP address associated with the NetBIOS name of the computer?
Definition
Answer:
Windows Internet Naming Service (WINS)
Term
Which component converts AC current to the DC voltage that a computer uses to operate?
Definition
Answer:
power supply
Term
How many pins are in a Universal Serial Bus (USB) connector?
Definition
Answer:
four
Term
To which slot can an Accelerated Graphics Port 8x (AGP 8x) card be connected?
Definition
Answer:
1.5 V
Term
What is the IP address range that can be assigned in Class A networks?
Definition
Answer:
1.0.0.0 - 126.255.255.255
Term
Which type of network contains a computer, cell phone, personal digital assistant (PDA), or other personal device, and operates using Bluetooth, infrared, USB, or FireWire connectivity?
Definition
Answer:
a personal area network (PAN)
Term
Which high-speed channel is used for attaching a graphics card to a computer's motherboard to assist in the acceleration of 3D graphics?
Definition
Answer:
Accelerated Graphics Port (AGP)
Term
What is the maximum transmission distance for Bluetooth 2.0 devices?
Definition
Answer:
10 meters or 33 feet
Term
Which TCP port is used by Internet Message Access Protocol version 4 (IMAP4)?
Definition
Answer:
port 143
Term
What should you do if you encounter confidential information while troubleshooting at a client site?
Definition
Answer:
Do not read or disclose the information. If the information is a document, you should turn the document over so that you cannot read the document.
Term
Which edge connector is used to plug a Single Edge Contact (SEC) cartridge to a motherboard?
Definition
Answer:
Slot 1
Term
What should you do to prevent damage to electrical components from voltage fluctuations and surges?
Definition
Answer:
Connect the computer to an Uninterruptible Power Supply (UPS).
Term
Which port type operates at 12 Mbps and is used to connect multiple devices to a computer?
Definition
Answer:
Universal Serial Bus (USB) 1.1
Term
Which TCP port is used by Simple Mail Transfer Protocol (SMTP)?
Definition
Answer:
port 25
Term
What is a flash memory (non-volatile) memory card format used in portable devices, including digital cameras?
Definition
Answer:
Secure Digital (SD)
Term
Which service is used to resolve an IP address to its Fully Qualified Domain Name (FQDN)?
Definition
Answer:
Domain Name System (DNS)
Term
Which PC devices use a voltage of +3.3 volts from a power supply?
Definition
Answer:
Chipsets, DIMMs, PCI/AGP cards, and second-generation Pentium processors
Term
What are the basic components that are included in all video display adapters?
Definition
Answer:
Video BIOS, video processor, video memory, digital-to-analog converter (DAC), bus connector, and video driver
Term
What does a cable rated as "plenum" indicate about the cable?
Definition
Answer:
It will not produce toxic gas when it burns.
Term
Which hard drive component moves across the hard disk assembly to read the disk?
Definition
Answer:
head actuator
Term
How are memory slots and expansion slots situated on an Advanced Technology Extended (ATX) motherboard?
Definition
Answer:
At a right angle to each other
Term
What is the maximum data transfer speed for LPT1 port?
Definition
Answer:
150 KB/s
Term
What is the main disadvantage of performing low-resolution printing?
Definition
Answer:
low print quality
Term
Which ports are used by File Transfer Protocol (FTP)?
Definition
Answer:
Ports 20 and 21
Term
When accessing the Internet by using a cable modem, who decides on whether to use a static or a dynamic IP address on the computer?
Definition
Answer:
Internet Service Provider (ISP)
Term
What are the four types of Video RAM (VRAM)?
Definition
Answer:
Synchronous Graphics RAM, Window RAM (WRAM), Multibank Dynamic RAM (MDRAM), and Rambus Dynamic RAM (RDRAM)
Term
Which type of sole should be used in a technician's shoes to prevent Electrostatic Discharge (ESD) while working on a computer?
Definition
Answer:
rubber soles
Term
Which authentication standard is enabled by default to secure network access for wireless network on Windows XP Service Pack1 (SP1)?
Definition
Answer:
IEEE 802.1x authentication standard
Term
Which type of battery has the longest life?
Definition
Answer:
Lithium-Ion (Li-Ion)
Term
Which firmware is used to start the system when the computer is turned on?
Definition
Answer:
ROM BIOS
Term
What is the maximum indoor and outdoor distance for 802.11b?
Definition
Answer:
indoors, 150 feet; outdoors, 460 feet
Term
What does a retinal scanner do?
Definition
Answer:
It uses a laser to scan the blood vessels in the back of the eye to authenticate a person's identity.
Term
In ascending order, rank which ports are the fastest to print from, considering USB , serial, and parallel ports.
Definition
Answer:
From slowest to fastest:
Serial
Parallel
USB
Term
What allows a user to connect a single keyboard, video display device, and mouse to multiple computers?
Definition
Answer:
a keyboard, video, mouse (KVM) switch
Term
What are the two types of satellite connections?
Definition
Answer:
unidirectional and bidirectional
Term
What is latency in a network?
Definition
Answer:
the amount of delay a network can experience
Term
Which type of printer cable is used in the IEEE 1284 standard?
Definition
Answer:
parallel cable
Term
Which bus determines the amount of RAM that a processor can access?
Definition
Answer:
address bus
Term
Which method will you use to protect the CAT-5 cabling in your server room, and avoid it from being spread all around the floor?
Definition
Answer:
Keep cable organized, off the floor, and away from walkways
Term
Which language was created by Hewlett Packard (HP) to provide an efficient and effective way to control printer features across many different printing devices?
Definition
Answer:
Printer Command Language (PCL)
Term
Which keyboard key works like a Shift key to activate the second function of a dual-purpose key?
Definition
Answer:
Fn
Term
Which authentication is required with WPA?
Definition
Answer:
802.1X authentication
Term
Between building services and the technician's supervisor, whom should the technician inform about water leakage from the ceiling of the server room?
Definition
Answer:
the building services
Term
Which command is used on a computer running Windows XP to display the DNS server that the computer is using?
Definition
Answer:
IPCONFIG /ALL
Term
What physical characteristic is present in the cable of a floppy drive connector?
Definition
Answer:
a twist
Term
What is Level 1 cache?
Definition
Answer:
a small, high-speed cache incorporated right onto the processor's chip
Term
Which two common types of IDE interfaces are used in a computer?
Definition
Answer:
parallel and serial ATA
Term
What are the two main visual components of a high voltage probe?
Definition
Answer:
a large needle and a gauge
Term
What will happen if the LCD backlight is faulty in a portable computer?
Definition
Answer:
The portable computer display will be dim or dark.
Term
What supplies the ink in a dot-matrix printer?
Definition
Answer:
ribbon
Term
When at a customer location, what should you do if a customer has difficulty understanding what you are saying?
Definition
Answer:
Speak slowly to the customer.
Term
Why should you configure your Windows XP computer with an IP address in the alternate configuration of TCP/IP properties?
Definition
Answer:
The alternate configuration ensures that you will have an IP address if your computer does not receive an IP address from a DHCP server.
Term
Which type of ventilation is appropriate for an ideal environment to operate a laser printer?
Definition
Answer:
filtered ventilation
Term
While hearing a customer's problem, what should you do to ensure that you did not misunderstand the issue?
Definition
Answer:
Paraphrase the problem to the customer.
Term
Which feature makes it appear as if two processors are installed when only one processor is physically installed?
Definition
Answer:
Hyper-threading
Term
What are the dimensions of a mini-ITX motherboard?
Definition
Answer:
6.7 inches by 6.7 inches
Term
Which type of shoes should you wear while working around electronics?
Definition
Answer:
rubber-soled shoes
Term
As a technician, what should you refer to while explaining the strength of a technology to a customer?
Definition
Answer:
the manual
Term
Of which type of address is fe80::200:f8ff:fe21:67cf an example?
Definition
Answer:
an IPv6 address
Term
Which type of port is used to connect a computer to a 100BaseT network?
Definition
Answer:
RJ-45
Term
Which form factor standard was used before the Advanced Technology Extended (ATX) standard?
Definition
Answer:
the Baby AT form factor
Term
What should you do to connect over a network to a locally attached printer?
Definition
Answer:
The computer to which the printer is physically attached must first configure printer sharing on the computer. Then the printer must be shared.
Term
Which type of standard that was originally designed for portable computers is used for attaching peripheral devices to a motherboard and is an adaptation of the Peripheral Component Interconnect (PCI) bus?
Definition
Answer:
MiniPCI
Term
What is the decimal range of values in each octet of an IPv4 address?
Definition
Answer:
0 to 255
Term
What is the maximum transmission speed supported by CAT5 cables?
Definition
Answer:
1000 Mbps or 1 Gbps
Term
How many pins are on a Dual In-line Memory Module (DIMM)?
Definition
Answer:
168 pins
Term
Which compound should you use to improve the efficiency of a heat sink by up to 30 percent?
Definition
Answer:
thermal grease
Term
What can be described as an opto-mechanical mouse turned upside down?
Definition
Answer:
A trackball
Term
What is the maximum data transfer speed for USB 1.1 technology?
Definition
Answer:
12 Mbps
Term
What is the minimum number of Dual In-line Memory Module (DIMM) memory modules required for DIMM memory to work in a computer?
Definition
Answer:
one
Term
Which four types of print heads are there for an impact printer?
Definition
Answer:
7 pin, 9 pin, 18 pin, and 24 pin
Term
Which processor is used with Socket 370?
Definition
Answer:
Pentium III processors
Term
What should be the SCSI ID of the bootable device?
Definition
Answer:
0
Term
What is the maximum recommended length for an IEEE 1394 FireWire cable?
Definition
Answer:
4.5 meters or 15 feet
Term
What do you require in order to add expansion cards to a laptop computer?
Definition
Answer:
a docking station
Term
What is the data rate speed for 802.11b+ wireless standard?
Definition
Answer:
22 Mbps
Term
Which two protocols provide encrypted communications between 802.11x wireless clients and wireless access points?
Definition
Answer:
Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA)
Term
Which IPCONFIG switch displays the current IP configuration on a workstation?
Definition
Answer:
/ALL
Term
Which type of CPU socket eliminates the risk involved in installing or removing a processor by allowing you to install a CPU without requiring insertion force, and to extract the CPU without requiring any tool?
Definition
Answer:
Zero Insertion Force (ZIF) sockets
Term
When should you transfer an angry customer to your supervisor?
Definition
Answer:
Transferring a customer to a supervisor should only be done if you cannot handle the customer's problem.
Term
Which components are included in a typical laser printer maintenance kit?
Definition
Answer:
paper pickup rollers, paper feed/separation rollers, a transfer roller, and a fuser assembly
Term
What is the commonly used protocol for exchanging files over the Internet or an intranet network that supports the TCP/IP protocol?
Definition
Answer:
file transfer protocol (FTP)
Term
What are the four types of USB connectors?
Definition
Answer:
Type A, Type B, Mini-A, and Mini-B
Term
What is meant by the term resolution when referring to video display?
Definition
Answer:
the number of horizontal pixels times the number of vertical pixels
Term
What is the maximum transmission speed supported by 802.11g standard?
Definition
Answer:
54 Mbps
Term
What are the three private IP address ranges?
Definition
Answer:
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255
Term
What is the size of a PCMCIA Type II card?
Definition
Answer:
5 mm
Term
How many pins are in a MOLEX power connector?
Definition
Answer:
4 pins
Term
Which type of cable is used in a 10BASE-T Ethernet standard?
Definition
Answer:
CAT3 or CAT5 unshielded twisted pair (UTP) cable
Term
Which power state should you use if you need to implement the Wake-On-LAN feature?
Definition
Answer:
Standby mode
Term
Which type of removable storage media uses a solid-state memory chip that requires no power to maintain its contents?
Definition
Answer:
Flash memory media
Term
Which radio frequency band is used by microwaves and cordless telephones?
Definition
Answer:
2.4 GHz
Term
Which motherboard form factor has Random Access Memory (RAM) expansion slots located at 90 degree angles to the Industry Standard Architecture (ISA) and Peripheral Component Interconnect (PCI) expansion slots?
Definition
Answer:
Advanced Technology Extended (ATX) motherboards
Term
Which hardware device operates at the Data Link layer of the Open Systems Interconnection (OSI) model to provide connectivity to network computers?
Definition
Answer:
a switch
Term
What are the three types of DVI cables?
Definition
Answer:
DVI-D, DVI-A, and DVI-I
Term
Which device supplies electrical energy to a computer?
Definition
Answer:
power supply unit
Term
How many pins are in a floppy disk cable?
Definition
Answer:
34
Term
Which component of an LCD is responsible for converting the DC power back into AC?
Definition
Answer:
the inverter
Term
What should you do if the customer's child is interfering with the troubleshooting process while you are visiting a customer site?
Definition
Answer:
Ask the customer to keep the child away from the work area.
Term
Which feature in a computer or a laptop allows you to remove and replace components without reboot?
Definition
Answer:
hot swappable
Term
What is the maximum number of devices that can be daisy-chained together with a USB hub?
Definition
Answer:
127
Term
Which printer can create carbon copies?
Definition
Answer:
dot-matrix printer
Term
Which technology must be supported by the operating system and applications to provide the entire functionality of the dual-core processor?
Definition
Answer:
thread-level parallelism (TLP)
Term
Which command should you use to access the router configuration from the command prompt?
Definition
Answer:
telnet
Term
At which band does Bluetooth technology operate?
Definition
Answer:
2.45 GHz
Term
Which IEEE 1284 bi-directional parallel port mode is used primarily for non-printer peripherals, such as external CD-ROM and tape drives?
Definition
Answer:
Enhanced Capabilities Port (ECP)
Term
Which unshielded twisted pair (UTP) cables can support Gigabit Ethernet cards?
Definition
Answer:
CAT5e, CAT6, CAT6a, CAT7, and CAT 7a
Term
Which two keys combination on a laptop should you use to also enable an external monitor with the laptop?
Definition
Answer:
Fn + screen key
Term
What is the purpose of the diffuser in a LCD display?
Definition
Answer:
It takes the points of light and uniformly spreads them out over the entire area of the display.
Term
What does a system run when a PC is first powered on?
Definition
Answer:
power-on self-test (POST)
Term
In which unit is the amount of power output from a power supply measured?
Definition
Answer:
volts
Term
Which command is used to display the routes in the routing table on a router?
Definition
Answer:
ROUTE
Term
What device(s) should you use to isolate broadcast traffic on your LAN to certain segments?
Definition
Answer:
a router or a switch
Term
By default, which port is used by Secure Shell (SSH)?
Definition
Answer:
port 22
Term
Which Interrupt Request (IRQ) is used to install the CD-ROM?
Definition
Answer:
IRQ 15
Term
Which version of IEEE 1394 is also called FireWire 800?
Definition
Answer:
IEEE 1394b
Term
What will you ask customers to provide if they call you to reset their password?
Definition
Answer:
their identification credentials
Term
In addition to +3.3 volts, +5.0 volts, and +12.0 volts, which voltages are found on an ATX power supply?
Definition
Answer:
-12 volts and -5 volts
Term
What should you do if an adult is not present when you visit to provide on-site support?
Definition
Answer:
Inform the customer of the need to have an adult present.
Term
Which four pins of a 24-pin power supply connecter are for handling higher current capabilities of the processor?
Definition
Answer:
pins 11, 12, 23, and 24
Term
On a SCSI bus, which device has the highest priority?
Definition
Answer:
the device with the highest ID number
Term
What are the three basic requirements to use a USB keyboard with a computer?
Definition
Answer:
USB port, USB keyboard driver, and the BIOS should also feature the USB Legacy Support
Term
What is the maximum number of connectors in an Integrated Drive Electronics (IDE) ribbon cable?
Definition
Answer:
three
Term
Where can you enable or disable the Hyper-Threading feature?
Definition
Answer:
in the system Basic Input/Output System (BIOS)
Term
Where is the Master Boot Record (MBR) stored?
Definition
Answer:
in a partition's master boot sector, which is the first sector of a computer's hard disk or a system floppy disk
Term
Which laser printer component charges the paper?
Definition
Answer:
transfer corona
Term
Which devices are used to connect workstations in a 100-BaseT network?
Definition
Answer:
routers, switches, and hubs
Term
Which type of IEEE 1284 cable is used for printer and device connections?
Definition
Answer:
36-pin Centronics
Term
Which service allows Windows workstations to access UNIX servers by name?
Definition
Answer:
Domain Name System (DNS)
Term
Why would you use biometric security devices with a wireless connection?
Definition
Answer:
To ensure that only a particular user can connect into the network.
Term
In which two layers of the Open System Interconnection (OSI) model is the Wired Equivalent Privacy (WEP) used?
Definition
Answer:
Data Link layer and Physical layer
Term
Which parameter of the ping command will display the host name of the IP address that you are pinging, if successful?
Definition
Answer:
the -a parameter
Term
Which assembly puts a positive charge on a paper that helps toner transfer to the paper?
Definition
Answer:
corona assembly
Term
What IP address range does Automatic Private IP Addressing (APIPA) use?
Definition
Answer:
169.254.0.1 to 169.254.255.255
Term
Which function is provided by a printer duplexer?
Definition
Answer:
double-sided printing
Term
When will a user know that the lithium-ion battery of a portable computer has worn out?
Definition
Answer:
The battery charge depletes before the documented backup time.
Term
What does a TV tuner card allow you to do?
Definition
Answer:
receive TV signals on your computer
Term
Which term is used as a measurement of print resolution?
Definition
Answer:
dots per inch (dpi)
Term
Which Windows service loads files to memory for later printing?
Definition
Answer:
Print Spooler
Term
Which Redundant Array of Independent Disks (RAID) levels provide fault-tolerance?
Definition
Answer:
RAID 1, RAID 2, RAID 3, and RAID 5
Term
Which type of RAM is commonly used by a video adapter that does not share the memory bus of the computer's RAM?
Definition
Answer:
video RAM (VRAM)
Term
What is primary purpose of a Graphics Processing Unit (GPU)?
Definition
Answer:
processing video and graphics
Term
Which component of a laser printer is responsible for transferring the toner to the paper from drum?
Definition
Answer:
transfer roller
Term
What applies heat pressure in a laser printer to ensure that toner stays on the paper permanently?
Definition
Answer:
fuser
Term
Which component of an inkjet printer supplies power to the rollers and ensures that the paper moves at that precise speed at which a continuous image or text is printed out without any gaps or breaks in the printout?
Definition
Answer:
the paper feed stepper motor
Term
Which two types of meters are used for measuring the power output of a computer power supply?
Definition
Answer:
continuity meter and Volt Ohm meter
Term
Which cache is cache memory built into the processor?
Definition
Answer:
L1 cache
Term
Which technology contains two processor cores in a single processor package and provides almost of all the advantages of a multi-processor computer?
Definition
Answer:
dual-core technology
Term
What is the purpose of a punchdown tool?
Definition
Answer:
attaching cable to a punchdown block or patch panels
Term
What writes the image on the drum in a laser printer?
Definition
Answer:
laser light
Term
Which Internet connectivity type always uses a coaxial (coax) cable to establish a two-way connection to the Internet?
Definition
Answer:
cable
Term
What are the two main types of network cables?
Definition
Answer:
a straight through cable and a crossover cable
Term
What is the maximum resolution provided by Wide Quad Ultra Extended Graphics Array (WQUXGA)?
Definition
Answer:
3840x2400
Term
Which printer prints by placing small dots of ink on a page to reproduce text or graphics?
Definition
Answer:
inkjet printers
Term
Which command switch should you use with IPCONFIG to display the other available command switches and their description?
Definition
Answer:
/?
Term
What is the default mask for Class A networks?
Definition
Answer:
255.0.0.0
Term
What should you do to install a printer on a computer running Windows XP?
Definition
Answer:
Run the Add New Printer wizard.
Term
What are three categories of modern Uninterruptible Power Supply (UPS)?
Definition
Answer:
on-line, line interactive, and standby
Term
Where can you set a static address on a Windows XP computer?
Definition
Answer:
in the Internet Protocol (TCP/IP) Properties dialog box
Term
Which serial bus interface standard offers high-speed communications and isochronous real-time data services for digital audio and video?
Definition
Answer:
FireWire, also referred as i.Link or IEE 1394
Term
What are some differences between portable and desktop computers, other than size?
Definition
Answer:
Portable computers have lower voltages, lower clock speeds, produce less heat, and use less power
Term
Which types of unshielded twisted pair (UTP) cables support data transfer up to 1000 Megabits per second (Mbps)?
Definition
Answer:
CAT5e, CAT6, CAT6a, CAT7, and CAT7a UTP cables
Term
What should you request the customer do if they want to leave the house for some time while you are working on their computer?
Definition
Answer:
There must be a responsible adult in the house while you are working.
Term
What is the storage capacity of a 3.5-inch high-density floppy disk?
Definition
Answer:
1.44 MB
Term
If it is impossible to resolve a computer problem when it happens, how should you deal with an angry customer?
Definition
Answer:
Take the ownership of resolving the problem and regularly communicate the progress to the customer.
Term
On which component of a laser printer is an electrostatic image of a document created?
Definition
Answer:
drum
Term
Which type of wireless network interference is cause by competing wireless signals?
Definition
Answer:
radio frequency interference (RFI)
Term
Which printer uses special paper and ink that degenerates over time?
Definition
Answer:
thermal printer
Term
What is the maximum length of Parallel Advanced Technology Attachment (PATA) cable wire?
Definition
Answer:
45 cm
Term
What is the maximum length of a USB cable?
Definition
Answer:
5 meters
Term
What is the result of executing the IPCONFIG command from the Run dialog box?
Definition
Answer:
A black window appears and then disappears automatically.
Term
What are the dimensions of a baby AT motherboard?
Definition
Answer:
9 inches wide and 13 inches deep
Term
How many pins do normal-quality dot matrix printers have in the print head?
Definition
Answer:
9
Term
How many pins are in a super VGA connector?
Definition
Answer:
15 pins
Term
What helps win an angry customer?
Definition
Answer:
your focus on resolving the issue for the angry customer
Term
What is the purpose of the Zero configuration service?
Definition
Answer:
It automatically connects to a preferred wireless network when the network is in range.
Term
What should you do to determine the master and slave drives in a computer that has two drives installed on a primary IDE controller?
Definition
Answer:
Check the jumper settings.
Term
What should be the first step when dealing with irate customers?
Definition
Answer:
Be an active listener while customers vent their frustration.
Term
You found an exposed electric wire, which can be dangerous for people working near it. What should you do FIRST before repairing the wire?
Definition
Answer:
Shut down the electricity.
Term
Which two wireless networks provide a data throughput of 54 megabits per second (Mbps) and uses orthogonal frequency-division multiplexing (OFDM) encoding?
Definition
Answer:
the 802.11a and 802.11g wireless networks
Term
Which subnet mask is used by Windows while using Automatic Private Internet Protocol Addressing (APIPA)?
Definition
Answer:
255.255.0.0
Term
Which type of socket design has a lever that allows easy installation and removal of a CPU on a motherboard?
Definition
Answer:
Zero Insertion Force (ZIF)
Term
How many bits of data does a non-parity 168-pin Dual In-line Memory Module (DIMM) transfer at a time?
Definition
Answer:
64 bits of data
Term
What should you configure when setting up a wireless connection?
Definition
Answer:
Configure the SSID and decide which encryption standard to use.
Term
Which Windows operating systems include the IPCONFIG command-line utility?
Definition
Answer:
Windows NT, Windows 2000, Windows Server 2003, Windows XP, Windows Server 2008, Windows Vista, Windows 7
Term
Which component has a high voltage warning besides the computer power supply?
Definition
Answer:
cathode ray tube (CRT) monitor
Term
Which connection type supports Enhanced Capabilities Port (ECP) for printers?
Definition
Answer:
IEEE 1284
Term
Where is thermal compound commonly applied in a computer?
Definition
Answer:
between the CPU and the heatsink
Term
How should you protect users from tripping over network cables that connect computers to switches?
Definition
Answer:
Hide the cables, and secure the cables to the ground or wall away from walkways.
Term
Which IEEE standard provides an over-the-air interface between wireless devices such as client computers, printers, or wireless routers?
Definition
Answer:
IEEE 802.11
Term
What is the maximum indoor and outdoor distance for 802.11g?
Definition
Answer:
indoors, 125 feet; outdoors, 460 feet
Term
Which motherboard form factor standard is used for high-end, multi-processor , multiple-hard disks server and computers?
Definition
Answer:
Workstation Technology Extended (WTX)
Term
Which parameter of the ping command will cause the command to continue sending messages until interrupted?
Definition
Answer:
the -t parameter
Term
Which key on a notebook computer allows you to use letter keys to input numbers?
Definition
Answer:
The Num Lock key
Term
How should technicians professionally handle personal calls they receive on their cell phone while servicing a computer at a customer's residence?
Definition
Answer:
By letting the voice mail answer the call
Term
What is the default mask for Class C networks?
Definition
Answer:
255.255.255.0
Term
How would you determine which type of RAM is required in a computer?
Definition
Answer:
Open the case to verify the type of RAM.
Term
What should an IT technician be aware of when attaching a device to a Micro-ATX motherboard?
Definition
Answer:
the number of slots
Term
What are the typical voltages output by the power supply unit in a PC?
Definition
Answer:
+3.3 volts, +5.0 volts, and +12.0 volts
Term
Which compound increases thermal conductivity between an integrated circuit (IC) and a heat sink?
Definition
Answer:
thermal compound
Term
Which Interrupt Request (IRQ) is reserved for primary IDE controller?
Definition
Answer:
IRQ 14
Term
Which protocol resolves IP address to Media Access Control (MAC) address?
Definition
Answer:
Address Resolution Protocol (ARP)
Term
Which component of an LCD display illuminates the display?
Definition
Answer:
the backlight
Term
What is the data transfer speed for USB 1.0?
Definition
Answer:
1.5 Mbps
Term
Which six protocols support hot swapping of external devices?
Definition
Answer:
PCMCIA, USB, FireWire, Fibre Channel, SATA, and SAS
Term
Which protocol is used by Wireless Fidelity (Wi-Fi) networks?
Definition
Answer:
802.11 wireless protocol
Term
Which memory component can only detect single-bit errors in RAM?
Definition
Answer:
parity
Term
Which Internet connection has a line-of-sight requirement?
Definition
Answer:
satellite
Term
Which four data rates are defined for operation over twisted-pair and optical fiber cables for Ethernet networks?
Definition
Answer:
10 Mbps for 10Base-T, 100 Mbps for Fast Ethernet, 1000 Mbps for Gigabit Ethernet, 10 Gbps for 10-Gigabit Ethernet
Term
Which ports are known as high-speed communication ports that outstrip the capabilities of older standard serial and parallel ports?
Definition
Answer:
USB 2.0, USB 3.0, IEEE 1394a, IEEE 1394b
Term
After Advanced Technology Attachment (ATA) became a standard, what was the maximum number of heads supported by a hard disk drive?
Definition
Answer:
256
Term
Which processor is referred to as processor 1?
Definition
Answer:
Processor 1 is the second processor that is installed in the motherboard. The first processor installed is referred to as processor 0.
Term
Which Open System Interconnection (OSI) layer provides codes and conversion functions that are applied to application layer data?
Definition
Answer:
the Presentation layer
Term
Which non-impact printer prints an entire page at once?
Definition
Answer:
laser printer
Term
Which terms should NOT be used while explaining the strength of a technology to a customer?
Definition
Answer:
acronyms and technical jargon
Term
Which type of network cable is required to directly connect one computer to another computer?
Definition
Answer:
crossover cable
Term
What is the purpose of Quality of Service (QoS)?
Definition
Answer:
It allows you to limit the bandwidth available for data based on the protocol used, the IP address, or other parameters.
Term
By default, which port is used by Telnet?
Definition
Answer:
port 23
Term
Which type of RAM uses only transistors and does not need to be refreshed?
Definition
Answer:
Static Random Access Memory (SRAM )
Term
How many leads are in a Universal Serial Bus (USB) cable?
Definition
Answer:
four
Term
Which component of a laser printer is used by the laser light to write an image?
Definition
Answer:
drum
Term
What are the three most common forms of impact printers?
Definition
Answer:
dot-matrix, daisy-wheel, and line printers
Term
Which type of computers use memory cards?
Definition
Answer:
portable computers
Term
Which type of RAM supports integrated circuits (ICs) on one side of the card and must be installed in pairs?
Definition
Answer:
Single In-line Memory Module SIMM (SIMM)
Term
Which printer produces raster images?
Definition
Answer:
laser printer
Term
Which Open System Interconnection (OSI) layer transmits segments of data from the session layer across a network?
Definition
Answer:
the Transport layer
Term
What hardware device can connect dissimilar networks and can operate at different layers of the Open Systems Interconnection (OSI) model?
Definition
Answer:
gateway
Term
How many pins are in a Mini-Universal Serial Bus (USB) connector?
Definition
Answer:
five
Term
Which type of communication assists you to prevent being taken advantage of by others?
Definition
Answer:
Assertive communication
Term
Why does WPA use Temporal Key Integrity Protocol (TKIP)?
Definition
Answer:
to ensure that a new encryption key is provided for every packet that is sent
Term
Which type of Universal Serial Bus (USB) hub should you use to avoid running out of power when connecting USB devices?
Definition
Answer:
a self-powered hub
Term
What should you do to prevent your computer from increased voltage or brownouts?
Definition
Answer:
Use an Uninterruptible Power Supply (UPS).
Term
What battery type is used with laptops?
Definition
Answer:
Li-Ion
Term
What are the three types of FireWire connectors?
Definition
Answer:
4-pin, 6-pin, and 9-pin
Term
How much data can be stored on a single side of a single layer DVD disk?
Definition
Answer:
4.7 GB
Term
Which type of floor is an ideal environment to operate a laser printer?
Definition
Answer:
tiled floor
Term
Which types of Small Computer System Interface (SCSI) are used to connect 16 devices on a single SCSI cable?
Definition
Answer:
Ultra Wide SCSI and Fast Wide SCSI
Term
In which layer of the OSI model would a cable break that resulted in a no link light on the switch occur?
Definition
Answer:
the Physical layer
Term
What should you do to enhance the security provided by BitLocker?
Definition
Answer:
Enable Trusted Platform Module (TPM).
Term
Which adapter provides interface between your computer and your monitor and transmits the signals that appear as images on the display?
Definition
Answer:
video display adapter
Term
What should you do when you do not understand a customer's problem while talking to the customer?
Definition
Answer:
Ask for clarification if there is something that you did not understand.
Term
How do you configure the new wireless router that you bought for your home business?
Definition
Answer:
Configure the router with your browser from a connected computer.
Term
In which three Open System Interconnection (OSI) layers do the wide area network (WAN) protocols operate?
Definition
Answer:
the Physical, Data Link, and Network layers
Term
What is the maximum voltage output of the power supply unit in a PC?
Definition
Answer:
12 volts
Term
Which Open System Interconnection (OSI) layer defines the electrical, mechanical, procedural, and functional specifications for activating, maintaining, and deactivating the link between communicating network systems?
Definition
Answer:
the Physical layer
Term
Which type of IP address is obtained by the network adaptor when the Internet Connection Sharing (ICS) is enabled on a computer?
Definition
Answer:
static
Term
What is the data transfer speed for USB 2.0?
Definition
Answer:
480 Mbps
Term
How many pins are in a serial port DB-9 connector?
Definition
Answer:
nine
Term
What is the maximum length of RG-58 ThinNet coaxial cable?
Definition
Answer:
appr. 185 meters (607 feet)
Term
How do you change the IP address on your new wireless router that you bought for your home business?
Definition
Answer:
Connect to the router with your browser from a connected computer, and change the configuration.
Term
What are the two commonly used central processing unit (CPU) cooling methods?
Definition
Answer:
fan and heatsink
Term
What is the term for the smallest amount of disk space that can be allocated to hold a file?
Definition
Answer:
a cluster
Term
How do you update the firmware on your new wireless router that you bought for your home business?
Definition
Answer:
Connect to the router with your browser from a connected computer, and download the update to the firmware.
Term
What is the maximum transmission speed supported by 802.11a standard?
Definition
Answer:
54 Mbps
Term
Of which type of address is AD-4F-C1-A9-12-CB an example?
Definition
Answer:
a Media Access Control (MAC) address
Term
Which connector is used for high speed CAT7 LAN cabling?
Definition
Answer:
GG45
Term
Which connector on an Integrated Drive Electronics (IDE) ribbon cable is used to connect a slave drive to a computer?
Definition
Answer:
the grey connector in the middle of the IDE ribbon cable
Term
Which Open System Interconnection (OSI) layer provides reliable transit of data across a physical network link?
Definition
Answer:
the Data Link layer
Term
Which processors are supported in an LGA 1155 socket?
Definition
Answer:
Core i3/i5/i7, Pentium, Celeron, and Xeon CPUs
Term
Which wireless technology allows a portable computer to communicate with other devices, such as mouse, printer, or modem, using the least amount of power consumption?
Definition
Answer:
Bluetooth
Term
Which component of an inkjet printer sprays ink from the ink reservoir on a paper?
Definition
Answer:
nozzle
Term
Which printer uses a print head containing a number of metal pins?
Definition
Answer:
impact printer
Term
Which three computer components must support Ultra ATA?
Definition
Answer:
hard drive, motherboard or add-on controller, and operating system
Term
What is the purpose of a capture card?
Definition
Answer:
It allows you to send a video or TV signal to your computer.
Term
What is the width, in bits, of a 30-pin Single In-line Memory Module (SIMM) that is used in a portable computer as a video card?
Definition
Answer:
8 bits in width
Term
Which type of random access memory (RAM) achieves a doubling in performance by transferring twice per transfer cycle instead of by doubling the actual clock rate?
Definition
Answer:
Double Data Rate (DDR) SDRAM
Term
Which type of topology is used to connect devices with each other by using Bluetooth?
Definition
Answer:
Point-to-Point
Term
What are the three main types of batteries that are used in a portable computer?
Definition
Answer:
Nickel-Cadmium (Ni-Cd), Nickel Metal Hydride (Ni-MH), and Lithium Ion (Li-ion)
Term
How many pins are in an AT keyboard connector, also known as a DIN 5 connector?
Definition
Answer:
five
Term
Where is the inked ribbon placed in the impact printers?
Definition
Answer:
between the paper and the print head
Term
What should you do first, ventilate the room or use a fire extinguisher, if the CPU of your computer catches fire and you see smoke coming out of it?
Definition
Answer:
Ventilate the room.
Term
Which form factor uses a motherboard and riser combination where the motherboard and expansion devices plug into the riser card?
Definition
Answer:
New Low Profile Extended (NLX)
Term
Which dial-up Internet connections use a standard RJ-11 telephone jack to establish a connection between the modem and the ISP?
Definition
Answer:
digital subscriber line (DSL) and analog modem connections
Term
Which type of bag can you use to shield electrical components, such as integrated circuits, memory, or motherboards, from external static fields?
Definition
Answer:
a static-shielding bag
Term
What is used by video adapters to store video images while the images are processed by the video adapter?
Definition
Answer:
Video RAM
Term
What is the default size of the L2 cache?
Definition
Answer:
256 KB
Term
Which feature allows a user to delete a print job being processed or otherwise manage the print jobs currently waiting to be printed?
Definition
Answer:
print spooler
Term
Which component has a high voltage warning besides the computer power supply?
Definition
Answer:
cathode ray tube (CRT) monitor
Term
What are the two main connectors used with coaxial cable?
Definition
Answer:
Bayonet Neill-Concilman (BNC) and Threaded Neill-Concilman (TNC) connectors
Term
What is the maximum transmission distance for Bluetooth 3.0 devices?
Definition
Answer:
1 meter or 3 feet
Term
Which term is used as a measurement of print speed?
Definition
Answer:
pages per minute (PPM)
Term
What is the IP address range that can be assigned in Class B networks?
Definition
Answer:
128.0.0.0 - 191.255.255.255
Term
What is the approximate clock speed of a RAM labeled DDR533?
Definition
Answer:
266 MHz
Term
Which cards can be installed in PCMCIA Type III slots?
Definition
Answer:
one Type III card or any combination of two Type I or II cards
Term
Which mode of communication does Bluetooth wireless technology use?
Definition
Answer:
radio waves
Term
What should you do to operate a Universal Serial Bus (USB) scanner or printer after connecting the device to a USB port?
Definition
Answer:
Connect the device to a power source.
Term
In which sockets can Athlon processors be installed?
Definition
Answer:
Slot A, Socket 462/Socket A, Socket 754, Socket 940, Socket 939, Socket 563, Socket AM2, Socket AM2+, Socket F, Socket AM3, and Socket AM3+
Term
Which motherboard component is used to hold multiple I/O cards in a computer?
Definition
Answer:
riser cards
Term
Which three sockets can be used by Pentium IV processors?
Definition
Answer:
Socket 423, Socket 478, or Socket 603
Term
Inkjet printers use which three main technologies?
Definition
Answer:
thermal, piezoelectric, and continuous
Term
What is meant by the term vertical refresh rate?
Definition
Answer:
the amount of time it takes to draw the screen and return the electron to the upper-left corner of the screen
Term
How many pins are in a parallel connector?
Definition
Answer:
25
Term
Which device is used to extend the range of an existing wireless network?
Definition
Answer:
wireless repeaters
Term
Which type of printer uses a drum as a component?
Definition
Answer:
laser printer
Term
Which type of printer uses xerographic technique to print a document?
Definition
Answer:
laser printer
Term
By default, which port is used by Remote Desktop Protocol (RDP)?
Definition
Answer:
port 3389
Term
How many binary bits does an IPv4 address include?
Definition
Answer:
32 binary bits
Term
Which component of a laser printer acquires a deposit of toner on its surface?
Definition
Answer:
developer roller
Term
How many IDE devices can be installed on a typical ATX computer?
Definition
Answer:
four
Term
Which type of printer is typically best for applications that require a multipart form?
Definition
Answer:
dot-matrix
Term
What are the three ways to connect a CRT or LCD panel to a computer system?
Definition
Answer:
Add-on video cards, Video-only chipset on the motherboard, and motherboard chipset with integrated video
Term
Which protocol is used to transmit data securely between a File Transfer Protocol (FTP) client and an FTP server?
Definition
Answer:
Secure File Transfer Protocol (SFTP) or File Transfer Protocol Security (FTPS)
SFTP uses SSL. FTPS uses SSH.
Term
What are the results of running the netstat command?
Definition
Answer:
a listing of the open ports
Term
What are the four specifications of Universal Serial Bus?
Definition
Answer:
USB 1.0, USB 1.1, USB 2.0, and USB 3.0
Term
What is the maximum indoor and outdoor distance for 802.11a?
Definition
Answer:
indoors, 150 feet; outdoors, 390 feet
Term
Which device is used to convert digital data to analog data for transmission over regular telephone lines?
Definition
Answer:
a modem
Term
Which type of Random Access Memory (RAM) uses the front-side bus?
Definition
Answer:
Double Data Rate (DDR) RAM
Term
Which connector on an Integrated Drive Electronics (IDE) ribbon cable connects to a motherboard?
Definition
Answer:
the blue connector on the IDE ribbon cable
Term
Which component records data in a hard disk drive?
Definition
Answer:
platter
Term
Which parameter of the IPCONFIG command reorganizes contents of the DNS client resolver cache?
Definition
Answer:
/FLUSHDNS
Term
How many pins are in a PS/2 mouse connector, also known as mini-DIN 6
connector?
Definition
Answer:
six
Term
How many types of print heads are there for an impact printer?
Definition
Answer:
four
Term
How many bits of data does a 72-pin Single In-line Memory Module (SIMM) transfer at a time?
Definition
Answer:
32 bits of data
Term
How much information should be provided to a customer when you are explaining a new technological concept?
Definition
Answer:
only the amount of information required for the customer to know
Term
Which type of computer uses PCMCIA?
Definition
Answer:
laptop computers
Term
Which devices are used to forward packets between multiple networks?
Definition
Answer:
routers or switches
Term
Why can a dot-matrix printer create carbon copies?
Definition
Answer:
because the printing involves mechanical pressure
Term
What must be different in the network configuration for each client if TCP/IP is used as the standard protocol?
Definition
Answer:
the IP address
Term
Which feature allows a computer to use hard disk space as random access memory (RAM)?
Definition
Answer:
virtual memory
Term
How does a lower clock speed on a portable computer, as compared to a desktop, affect the front-side bus?
Definition
Answer:
The lower clock speeds in a portable computer mean that there is a lower multiplier. This enables the front-side bus to be increase to a higher level before the overclocker runs into a clock-speed barrier.
Term
What should you do to notify a user before deleting a shared folder from a network computer?
Definition
Answer:
Send a Console Message by navigating to Computer Management> Shared Folders> Shares> All tasks> Send Console Message.
Term
Which scanners read data based on the reflection of white spaces between black bars?
Definition
Answer:
barcode scanners
Term
What is the maximum length for a cable using USB 2.0?
Definition
Answer:
5 meters
Term
Which device is the combination of bridge and a router?
Definition
Answer:
brouter
Term
Which device enables you to connect a wired Ethernet device to a wireless network?
Definition
Answer:
wireless bridge
Term
Which dialog box in Windows is used to set the amount of printer memory to be used by a laser printer?
Definition
Answer:
the Printer Properties dialog box
Term
Between the system administrator and the building authorities, who should be held responsible for leakage of water from the false ceiling of the server room?
Definition
Answer:
the building authorities
Term
If a person is able to express positive and negative ideas and feelings in an open, honest, and direct way, what would you call this type of behavior?
Definition
Answer:
Assertive behavior
Term
Which items are tested during the POST test?
Definition
Answer:
memory, CPU, and if the computer has a video card
Term
What should you do immediately after installing the maintenance kit and replacing all consumables in a laser printer?
Definition
Answer:
Reset the page count.
Term
How many types of Accelerated Graphics Port (AGP) physical interfaces are there?
Definition
Answer:
two
Term
On which protocol does an attacker attack by taking advantage of the security flaws during network implementation to carry out LAN attacks?
Definition
Answer:
Transmission Control Protocol /Internet Protocol (TCP/IP)
Term
Which laptop hard drive interface does not support hot swapping?
Definition
Answer:
PATA
Term
For which type of computers is Socket 479 processors primarily used?
Definition
Answer:
laptop computers
Term
What is the transmission speed of Sony/Philips Digital Interface Format (S/PDIF)?
Definition
Answer:
2 to 3 megabits per second (Mbps)
Term
What should you do if you receive an urgent message from your office while working on-site?
Definition
Answer:
Make a short call to determine the nature of the urgency.
Term
What is the maximum number of hard drives that can be connected to a single IDE cable?
Definition
Answer:
two
Term
Which term, apart from latency, is used for a delay that occurs in satellite connections?
Definition
Answer:
propagation delay
Term
Which service tells the spooler to alter a job according to the document data type?
Definition
Answer:
print processor
Term
What two types of memory are dual ported?
Definition
Answer:
Windows RAM (WRAM) and Video RAM (VRAM)
Term
What should you do if the computer that you are working on contains files that violate the company's Acceptable Usage Agreement the user signed?
Definition
Answer:
Follow the procedures for dealing with a violation of the Acceptable Usage Agreement.
Term
Which radio frequency is used to operate 802.11b and 802.11g wireless networks?
Definition
Answer:
2.4 GHz
Term
To which port on the router or switch should you connect a computer to access the Internet?
Definition
Answer:
to the local area network (LAN) port
Term
Which standard governs IDE hard drives?
Definition
Answer:
Advanced Technology Attachment (ATA)
Term
Whom should you consult if you are working on-site and your customer asks you to perform a task that is not in your scope?
Definition
Answer:
your supervisor
Term
What are the indoor and outdoor maximum ranges for 802.11n?
Definition
Answer:
indoors, 230 feet; outdoors, 820 feet
Term
What is the best method to protect network cables from damage due to environmental factors, such as heat and liquid?
Definition
Answer:
Cover the cables by using a protective material.
Term
Which two port types is a barcode scanner likely to use?
Definition
Answer:
a serial port or a USB port
Term
Which service allows DHCP clients to obtain IP addresses even in cases when the DHCP server cannot provide one?
Definition
Answer:
Automatic Private IP Addressing (APIPA)
Term
Which component holds one or more flat circular disks in a hard disk drive?
Definition
Answer:
spindle
Term
Which power connector is used by Parallel Advanced Technology Attachment (PATA) drive in portable computers?
Definition
Answer:
the Four-Pin Molex connector
Term
Which type of connector is used for a parallel printer port?
Definition
Answer:
IEEE 1284
Term
Which cache is cache memory located on a separate chip?
Definition
Answer:
L2 cache
Term
Which lower-layer protocol provides communication between computers or other network devices by using unique global addressing?
Definition
Answer:
the Internet Protocol (IP)
Term
What is the data rate speed for 802.11g wireless standard?
Definition
Answer:
54 Mbps
Term
Which hardware component may be installed using the Pin Grid Array (PGA) architecture in a motherboard?
Definition
Answer:
the central processing unit (CPU)
Term
Which Open System Interconnection (OSI) layer establishes, manages, and terminates service requests and responses that occur between applications that are running on different devices on the network?
Definition
Answer:
the Session layer
Term
What should you do if a personal item near the work area is interfering with the troubleshooting procedure?
Definition
Answer:
Ask the customer to remove the personal item.
Term
Which part of a laser printer helps melt the toner onto the medium?
Definition
Answer:
fuser
Term
What is the best method to protect network cables from damage due to environmental factors, such as heat and liquid?
Definition
Answer:
Cover the cables by using a protective material.
Term
Which new version of the IP protocol has expanded the range of IP addresses from 32 bits to 128 bits?
Definition
Answer:
IPv6
Term
What should be avoided in a communication when dealing with an angry customer?
Definition
Answer:
An argument with the customer
Term
What is the maximum length of RG-8 ThickNet coaxial cable?
Definition
Answer:
appr. 500 meters (1,640 feet)
Term
Which data storage scheme uses multiple hard drives to share or replicate data among the drives?
Definition
Answer:
Redundant Array of Independent Disks (RAID)
Term
Which type of random access memory (RAM) technology requires the installation of a continuity module in a socket that does not contain RAM?
Definition
Answer:
Rambus In-line Memory Module (RIMM)
Term
What is the size of a PCMCIA Type III card?
Definition
Answer:
10.5 mm
Term
Which parallel-port technology requires the use of a Direct Memory Access (DMA) channel?
Definition
Answer:
Enhanced Capabilities Port (ECP)
Term
Which feature optimizes network traffic on the network connection page?
Definition
Answer:
Quality of Service (QoS) Packet Scheduler
Term
What is ACPI?
Definition
Answer:
Advanced Configuration and Power Interface (ACPI) is a technology that configures computers to optimize power consumption.
Term
What is the radio frequency at which IEEE 802.11g operates?
Definition
Answer:
2.4 GHz
Term
Which type of edge connector is used by early versions of the AMD Athlon processor?
Definition
Answer:
Slot A
Term
How many pins are in an Integrated Drive Electronics (IDE) ribbon cable?
Definition
Answer:
40
Term
Which cable is used to connect two workstations directly without using a hub or a switch?
Definition
Answer:
crossover cable
Term
What are the two main categories of printers?
Definition
Answer:
impact and non-impact
Term
Which type of printing prints an entire copy of a document together before starting the next copy of a document?
Definition
Answer:
collated printing
Term
Between the system administrator and the technician's supervisor, who should be informed in the event of a short circuit in the server room?
Definition
Answer:
the system administrator
Term
Which Wi-Fi networking standards operate in the 5 GHz frequency?
Definition
Answer:
802.11a and 802.11n
Term
Besides 30 pins, what is the most common number of pins in a Single In-line Memory Module (SIMM)?
Definition
Answer:
72 pins
Term
Which Uninterruptible Power Supply (UPS) feature provides protection from power surges and power drops?
Definition
Answer:
Automatic Voltage Regulation (AVR)
Term
Where can you change the boot sequence for a computer?
Definition
Answer:
in the BIOS setup utility
Term
When at a customer location, what would be a reason to ask a customer to demonstrate a problem?
Definition
Answer:
If a customer is unable to clearly explain the problem verbally
Term
What are the three types of IEEE 1284 parallel port connectors?
Definition
Answer:
IEEE 1284-A, (Type A) - standard DB25 connector, IEEE 1284-B (Type B) standard 36pin Centronics style connector, and IEEE 1284-C (Type C) a high density 36 pin connector
Term
How can you professionally handle a situation where you are on-site and receive a call from your co-worker asking for help in troubleshooting a technical problem?
Definition
Answer:
Request customer approval before helping the co-worker troubleshoot the problem.
Term
What are the four fields of a User Datagram Protocol (UDP) header?
Definition
Answer:
source port, destination port, length, and checksum
Term
When should the corona wire be cleaned normally in a laser printer?
Definition
Answer:
while replacing the toner cartridge
Term
Where do you go to check the signal strength of your wireless connection?
Definition
Answer:
Right-click the wireless connection icon, and choose Status.
Term
Which component of computer motherboard stores the BIOS password?
Definition
Answer:
CMOS chip
Term
Which TCP/IP command-line utility should you use to display the IP address and subnet mask for a Windows computer?
Definition
Answer:
IPCONFIG
Term
Which display type takes more space on a desk: a liquid crystal display (LCD) or a cathode ray tube (CRT) monitor?
Definition
Answer:
CRT monitor
Term
Which portable computer battery type must be fully discharged and fully recharged every few weeks?
Definition
Answer:
Nickel-Cadmium (Ni-Cd)
Term
Which feature acts as a dam, holding the data and then releasing it at a speed the printer can handle?
Definition
Answer:
print buffer
Term
What is the approximate transfer rate of a RAM labeled DDR533?
Definition
Answer:
4,266 Mbps
Term
Which component of a thermal printer generates heat to be used to print on the special paper?
Definition
Answer:
thermal head
Term
Which types of CPU sockets are used for Intel Xeon processors?
Definition
Answer:
Socket 603 and Socket 604
Term
How many pins do letter-quality dot matrix printers have in the print head?
Definition
Answer:
24
Term
If you shut down your portable computer, what is the minimum time you should wait before restarting?
Definition
Answer:
30 seconds
Term
What are the maximum data transmission speeds for the IEEE 1394 standards?
Definition
Answer:
1394a - 400 Mbps
1394b - 800 Mbps
Term
What action will reduce the printing time, without compromising quality, when printing images from a color laser printer?
Definition
Answer:
Upgrade the memory.
Term
Which component of a thermal printer is used to feed the special paper to the printer?
Definition
Answer:
platen
Term
What are the four Fibre Channel-Arbitrated Loop (FC-AL) specifications and their maximum speeds?
Definition
Answer:
FC-AL 1 GB - 100 MBps
FC-AL 2 GB - 200 MBps
FC-AL 4 GB - 400 MBps
FC-AL 8 GB - 800 MBps
Term
Which transmission cable has a transmission range up to 100 meters or 328 feet?
Definition
Answer:
unshielded twisted pair (UTP) or shielded twisted pair (STP) cable
Term
Where is chassis intrusion detection enabled?
Definition
Answer:
in the BIOS
Term
Which memory technology is used by the Secure Digital (SD) card?
Definition
Answer:
Flash memory technology
Term
What should you do when you do not have an answer to the customer's question?
Definition
Answer:
Be honest. Tell the customer that you will find out the answer and report back by calling the customer, if required.
Term
Which type of connector is used to connect a joystick?
Definition
Answer:
Game controller with 15 pins
Term
What is the minimum number of disk drives that are needed to implement RAID-1?
Definition
Answer:
Two
Term
Which type of connector is used in LCD monitors?
Definition
Answer:
a digital video interface (DVI) connector
Term
When a portable computer is in Standby mode, which component maintains power to documents and applications?
Definition
Answer:
Random Access Memory (RAM)
Term
Which Redundant Array of Independent Disks (RAID) level splits data evenly across two or more disks with no parity information for redundancy?
Definition
Answer:
RAID 0
Term
Which drive letters are used to represent floppy drives?
Definition
Answer:
A: or B:
Term
Which printer has the lowest printing cost per page?
Definition
Answer:
impact printer
Term
Which RAM characteristic is expressed in nanoseconds (ns)?
Definition
Answer:
access or cycle time
Term
Which connector on an Integrated Drive Electronics (IDE) ribbon cable connects to the master drive on a computer?
Definition
Answer:
the black connector on one end of the IDE ribbon cable
Term
What is the purpose of MAC filtering on a wireless network?
Definition
Answer:
to prevent unauthorized devices from connecting to the wireless network
Term
What are the dimensions of a mini-ATX motherboard?
Definition
Answer:
11.2 inches wide and 8.2 inches deep
Term
Which connector has either 6 or 15 pins and is used to provide power to a hard drive in a laptop or desktop computer, respectively?
Definition
Answer:
a Serial Advanced Technology Attachment (SATA) power connector
Term
Which command is used to find the DHCP server that gave your computer an address?
Definition
Answer:
IPCONFIG /ALL
Term
What is the maximum transmission speed of Category 5e cable?
Definition
Answer:
1000 Mbps or 1 Gbps
Term
What are the steps of the laser printing process?
Definition
Answer:
1. Processing
2. Charging
3. Exposing
4. Developing
5. Transferring
6. Fusing
7. Cleaning
Term
Which keyboard function key is used to rename a file?
Definition
Answer:
F2
Term
What are the dimensions of an Advanced Technology Extended (ATX) motherboard?
Definition
Answer:
12 inches wide and 9.6 inches deep
Term
Which type of power connector is used in Advanced Technology Extended (ATX) motherboards?
Definition
Answer:
20-pin power connector
Term
Which IEEE 1284 bi-directional parallel port mode was designed for new generations of printers and scanners?
Definition
Answer:
Enhanced Capabilities Port (ECP)
Term
What are the three steps you should follow to deal with an angry customer that has called for service?
Definition
Answer:
Stay calm.
Ask for clarification.
Ask the customer what would make the situation better.
Term
What is a disk array?
Definition
Answer:
a system consisting of multiple drives that usually operate as a single entity
Term
What is the purpose of Hyper-Threading (HT) technology?
Definition
Answer:
It allows a CPU to execute multiple instructions at the same time.
Term
Which type of RAM uses capacitors that need to be refreshed?
Definition
Answer:
Dynamic Random Access Memory (DRAM )
Term
In which sockets can Xeon processors be installed?
Definition
Answer:
Slot 2, Socket 603, Socket 604, LGA 775/Socket T, Socket M, LGA 771/Socket J, LGA 1366/Socket B, LGA 1156/Socket H, and LGA 156y
Term
What are the dimensions of a micro-ATX motherboard?
Definition
Answer:
9.6 inches wide and 9.6 inches deep
Term
Which inkjet printer part holds the print head and moves it to the appropriate location?
Definition
Answer:
the carriage
Term
What are the two page orientations that can be selected for printing a page?
Definition
Answer:
Portrait and Landscape, also referred to as vertical and horizontal
Term
Which parameter of the IPCONFIG command starts manual dynamic registration for DNS names and IP addresses?
Definition
Answer:
/REGISTERDNS
Term
While you are working at a job site, what should you do if you overhear that the company plans to lay off 45 percent of the workforce at that location?
Definition
Answer:
Keep the information confidential.
Term
Which type of electric current can cause severe damage to computer components while a technician is troubleshooting a hardware device?
Definition
Answer:
Electrostatic discharge (ESD)
Term
What is the minimum number of disk drives that are needed to implement RAID-5?
Definition
Answer:
Three
Term
What should a technician do to show interest in resolving the customer issue?
Definition
Answer:
Take notes to show your interest.
Term
How should you communicate with a customer if you and the customer do not understand a common language?
Definition
Answer:
Use hand gestures and visual aids to give details.
Term
Which TCP port is used by Hypertext Transfer Protocol (HTTP)?
Definition
Answer:
port 80
Term
What is the data rate speed for 802.11b wireless standard?
Definition
Answer:
11 Mbps
Term
What is the radio frequency at which IEEE 802.11a operates?
Definition
Answer:
5.0 GHz
Term
What is the minimum distance you should have between a portable computer and an electrical appliance that generates a strong magnetic field, such as a microwave oven?
Definition
Answer:
13 cm
Term
Which file in Windows contains static Domain Name System (DNS) mappings?
Definition
Answer:
HOSTS file
Term
What is the approximate clock speed of a RAM labeled PC1200?
Definition
Answer:
600 MHz
Term
Which documentation is designed to provide both workers and emergency personnel with the proper procedures for handling or working with a particular substance?
Definition
Answer:
Material Safety Data Sheets (MSDS)
Term
What is the maximum supported cable length, in feet, for high-speed USB devices?
Definition
Answer:
16 feet
Term
What is the clock speed of a PC600: 16-bit, single channel RIMM?
Definition
Answer:
300 Mhz
Term
What is the size of a PCMCIA Type I card?
Definition
Answer:
3.3 mm
Term
Which TCP port is used by Post Office Protocol version 3 (POP3)?
Definition
Answer:
port 110
Term
Which IEEE standard defines the Physical layer and the media access control (MAC) sublayer of the Data Link layer for a wired Ethernet?
Definition
Answer:
IEEE 802.3
Term
What is the name of the test that the computer performs at startup to test the memory and CPU?
Definition
Answer:
power-on self-test (POST)
Term
Which chip supports communication between the RAM and the CPU?
Definition
Answer:
the Northbridge chip (also referred to as the north bridge)
Term
Which four common types of interface ports are used by an inkjet printer to connect with other devices?
Definition
Answer:
Universal Serial Bus (USB), parallel, serial, and Small Computer Systems Interface (SCSI) ports
Term
Which printer capability ensures that a printer is ready to print documents?
Definition
Answer:
printer BIOS
Term
Which hardware device operates at the Physical layer (Layer 1) of the Open Systems Interconnection (OSI) model to provide connectivity to network computers?
Definition
Answer:
a hub
Term
Which type of printer transfers ink to the media similar to the action of a typewriter?
Definition
Answer:
impact or dot-matrix printer
Term
How does communication occur in full-duplex mode?
Definition
Answer:
You can transmit and receive the signal on the same channel at the same time.
Term
What should a technician wear to prevent electrostatic discharge (ESD) while installing sensitive memory chips?
Definition
Answer:
Wear an anti-static wrist strap.
Term
What is the maximum transmission speed supported by 802.11b standard?
Definition
Answer:
11 Mbps
Term
Which type of memory is used in display adapters?
Definition
Answer:
Video Random Access Memory (VRAM)
Term
In order from slowest to fastest, rank which USB ports are the fastest to print from.
Definition
Answer:
From slowest to fastest,
USB 1.1
USB 2.0
USB 3.0
Term
Which printer uses a print head that runs back and forth on the page and prints by impact?
Definition
Answer:
dot-matrix printer or impact-matrix printer
Term
What should be clearly stated to the customer by an on-site technician if the technician wants to perform an operating system restore on the customer's computer?
Definition
Answer:
that a data loss will occur
Term
While explaining a new technical concept to a customer, what should not be used: visual aids or industrial jargon?
Definition
Answer:
industrial jargon
Term
Into how many channels does the Bluetooth protocol divide its operating band?
Definition
Answer:
79 channels
Term
You found an exposed electric wire, which can be dangerous for people working near it. What should you do FIRST before repairing the wire?
Definition
Answer:
Shut down the electricity.
Term
Which utility should you use to specify the Num Lock status imposed during the boot?
Definition
Answer:
BIOS setup utility
Term
Which Open System Interconnection (OSI) layer defines network addresses?
Definition
Answer:
the Network layer
Term
Which device contains a battery and Automatic Voltage Regulation (AVR) circuitry to protect a computer from power sags?
Definition
Answer:
Uninterruptible Power Supply (UPS)
Term
Which two wires from an AT power supply should be adjacent to each other on a motherboard?
Definition
Answer:
black wires
Term
Which type of drives does not contain magnetic media?
Definition
Answer:
solid-state drives
Term
Which three Wi-Fi networking standards operate within the 2.4 GHz radio frequency band?
Definition
Answer:
802.11b, 802.11g, and 802.11n
Term
Which type of light is used for line-of-sight wireless communications for local area networks?
Definition
Answer:
infrared
Term
What is the data transfer speed for USB 3.0?
Definition
Answer:
5 Gbps
Term
What will determine the amount of documents that can be stored on the printer?
Definition
Answer:
print buffer
Term
Which hardware device routes data from a local area network (LAN) to a phone line or other network connection?
Definition
Answer:
router
Term
What is the main advantage of performing low-resolution printing?
Definition
Answer:
high speed printing
Term
Which service translates domain names into numeric IP addresses?
Definition
Answer:
Domain Name System (DNS)
Term
The IP address 172.16.0.0 is reserved for which type of network?
Definition
Answer:
A private network
Term
Which flash memory device contains a mechanical write-protection switch?
Definition
Answer:
Secure Digital (SD)
Term
What are the two architectures used in today's processors?
Definition
Answer:
Pin Grid Array (PGA) and Land Grid Array (LGA) architecture
Term
What should you do to help a customer if you notice that your coworker is unable to provide resolution to customer queries and the customer is becoming irritated?
Definition
Answer:
Offer your help to the co-worker and the customer.
Term
What is the maximum transmission distance for Bluetooth 1.0 devices?
Definition
Answer:
100 meters or 300 feet
Term
What is the bit length of IPv6 addresses?
Definition
Answer:
128
Term
How can you ensure that your SSID is not seen by computers in other offices?
Definition
Answer:
Do not broadcast the SSID.
Term
Which wireless mode requires that a wireless router is used?
Definition
Answer:
infrastructure mode
Term
What is the transmission distance supported by multi-mode fiber optic cable?
Definition
Answer:
3000 feet
Term
What is the maximum speed limit supported by a T1 line?
Definition
Answer:
1.544 Megabits per second (Mbps)
Term
Which type of wireless network interference is caused by electrical devices, such as fluorescent lights?
Definition
Answer:
electromagnetic interference (EMI)
Term
By default, which port does the Domain Name System (DNS) use?
Definition
Answer:
port 53
Term
What should technicians do if they receive a personal call on their mobile phone while servicing a computer at a customer's residence?
Definition
Answer:
Ignore the call and focus on the customer's problem.
Term
In which sockets can a Celeron processor be installed?
Definition
Answer:
Socket 495, Socket 370, Socket 478, Socket 479, LGA 775/Socket T, and LGA 1156/Socket H
Term
How many IP addresses does a router have?
Definition
Answer:
two: one for each network that it is connecting
Term
What is the pin configuration for the sub-D connector type that functions as a parallel printer interface?
Definition
Answer:
25-pin sub-D
Term
What does the use of WPA-Enterprise require?
Definition
Answer:
the use of a RADIUS authentication server
Term
What is the purpose of scalable link interface (SLI) technology?
Definition
Answer:
It groups two video cards together to increase video performance.
Term
Which print head in a dot-matrix printer will produce higher resolution?
Definition
Answer:
24 pin
Term
What is the minimum number of disk drives that are needed to implement RAID-0?
Definition
Answer:
Two
Term
What is the transfer rate in bits per second of a 56K modem?
Definition
Answer:
56,000 bps
Term
Which unit of measure is typically used to measure the amount of RAM in a computer?
Definition
Answer:
megabyte (MB) or gigabyte (GB)
Term
Which feature of a printer accepts output from one or more computers and sends the output to printer for printing?
Definition
Answer:
printer buffer
Term
Which parameter of the IPCONFIG command exhibits contents of the DNS client resolver cache?
Definition
Answer:
/DISPLAYDNS
Term
What is the maximum transmission speed of Category 6 (Cat6) cable?
Definition
Answer:
10 Gbps
Term
Why should you wear an anti-static wrist strap?
Definition
Answer:
to prevent electrostatic discharge (ESD)
Term
Which card can be directly connected to the motherboard on a PCI or ISA slot and have several slots to hold additional cards that work in parallel with the motherboard?
Definition
Answer:
riser cards
Term
Which type of address should you specify in wireless clients when you configure a wireless access point as a router?
Definition
Answer:
gateway address
Term
What are the speeds supported by the four PCI Express (PCIe) standards?
Definition
Answer:
PCIe 1.0 - up to 2 GBps
PCIe 2.0 - up to 5 GBps
PCIe 3.0 - up to 8 GBps
PCIe 4.0 - up to 16 GBps
Term
What is the purpose of using plastic standoffs on the motherboard?
Definition
Answer:
They can help with electrical grounding within a computer case.
Term
What is the maximum distance to which the Bluetooth technology can transmit data?
Definition
Answer:
Class 1 - 100 meters
Class 2 - 10 meters
Class 3 - 1 meter
Term
What are the two most popular connectors available for fiber-optic cabling?
Definition
Answer:
the ST and SC connectors
Term
Which connector is used for 10Base-T network cables?
Definition
Answer:
RJ-45
Term
What are the dimensions of ExpressCard 34 devices?
Definition
Answer:
34 mm wide, 75 mm long, and 5 mm thick
Term
Which type of computer software is also known as "firmware"?
Definition
Answer:
ROM BIOS
Term
When a power cable is left opened, what danger is involved?
Definition
Answer:
You can get electrocuted.
Term
What is the default mask for Class B networks?
Definition
Answer:
255.255.0.0
Term
What is the transmission distance supported by single-mode fiber optic cable?
Definition
Answer:
appr. 20 miles
Term
Which memory component detects both single-bit and multi-bit errors in RAM?
Definition
Answer:
error correction code (ECC)
Term
How many pins are in a Slot 1 connector that is used to plug a Single Edge Contact (SEC) cartridge into a motherboard?
Definition
Answer:
242 pins
Term
What should you do to prevent an alert regarding the cover being removed from displaying?
Definition
Answer:
Disable the chassis intrusion detection in the BIOS.
Term
Which type of non-volatile memory enables users to easily update the ROM or firmware in their motherboards?
Definition
Answer:
Flash memory
Term
Which two cords should you disconnect from a computer to prevent electrical shock and possible damage to hardware components?
Definition
Answer:
the power cord and the network or telephone cord
Term
Which plug-and-play external device interface on a workstation provides the fastest printing speed?
Definition
Answer:
USB 3.0
Term
What should you tell customers on the phone if they request you to reset their password?
Definition
Answer:
"Please provide your identification credentials."
Term
What should be selected as the first boot device in the BIOS boot sequence if you require booting from a CD-ROM?
Definition
Answer:
CD-ROM
Term
When choosing between CD-ROM, DVD, and Blu-Ray disks, which media can hold the most amount of data?
Definition
Answer:
Blu-Ray
Term
What are the three types of memory modules that are typically used in modern computers?
Definition
Answer:
Single In-line Memory Module (SIMM), Double In-line Memory Module (DIMM), and Rambus In-line Memory Module (RIMM)
Term
How many Interrupt Requests (IRQs) does a USB bus use if multiple devices are attached to the USB bus?
Definition
Answer:
One IRQ
Term
Where should you search for instructions on servicing a scanner or printer?
Definition
Answer:
on the vendor's Web site or in the printer's manual
Term
Which two details can you use to access a router's configuration page through a Web browser?
Definition
Answer:
The router's IP address and the router name
Term
Which wireless mode allows devices to connect without the need of a wireless router?
Definition
Answer:
ad hoc mode
Term
Where should you check to determine the size of the hard disk supported by your laptop?
Definition
Answer:
On the laptop manufacturer's Web site or inside the laptop's case
Term
What are the two types of S-video connectors available?
Definition
Answer:
mini-DIN 4 and mini-DIN 7 connector
Term
By default, which port is used by Lightweight Directory Access Protocol (LDAP)?
Definition
Answer:
port 389
Term
What device must be installed in a computer to connect the computer to other computers or a network?
Definition
Answer:
a network adapter
Term
What type of communication creates a win-win situation for yourself and the customer?
Definition
Answer:
Assertive communication
Term
What should a technician do to troubleshoot a problem using the least administrative effort?
Definition
Answer:
Determine the root cause of a failure.
Term
Which is a structured form of listening and responding that focuses the attention on the speaker?
Definition
Answer:
active listening
Term
What is the maximum transmission speed promised by 802.11n standard?
Definition
Answer:
130-150 Mbps without channel bonding
300 Mbps with channel bonding
Term
Where should you place the terminators on a computer that has one internal SCSI device, one external SCSI device, and one SCSI adapter?
Definition
Answer:
Place a terminator on the internal SCSI device and a terminator on the external SCSI device.
Term
How much data can be stored on a single side of a dual layer DVD disk?
Definition
Answer:
8.5 GB
Term
What should you do before installing Small Computer System Interface (SCSI) devices?
Definition
Answer:
Assign a unique ID to each SCSI device.
Term
What are the dimensions of a nano-ITX motherboard?
Definition
Answer:
4.7 inches by 4.7 inches
Term
Which tab in the Printer Properties dialog box in Windows is used to set the amount of printer memory to be used by a laser printer?
Definition
Answer:
the Device Settings tab
Term
Which CPU technology is used in portable computers to reduce platform power and cap thermal dissipation of the computer?
Definition
Answer:
CPU throttling
Term
What is the data transfer speed of flat Integrated Drive Electronics (IDE) ribbon cable?
Definition
Answer:
5 MB/s
Term
Which component on a motherboard supports slower devices, such as Universal Serial Bus (USB) ports, IDE drives, and ISA slots?
Definition
Answer:
South Bridge
Term
What is the IP address range that can be assigned in Class C networks?
Definition
Answer:
192.0.0.0 - 223.255.255.255
Term
Which network mask is used to determine the number of bits in an octet that identifies the subnetwork and the number of bits to provide room for host addresses?
Definition
Answer:
a subnet mask
Term
Which type of memory has a metal jacket referred to as a "heat spreader" to dissipate the excess heat that is generated from the high-speed operation of the memory chips?
Definition
Answer:
Rambus In-line Memory Module (RIMM)
Term
What is the address convention for URLs that require a Secure Sockets Layer (SSL) connection?
Definition
Answer:
https://
Term
Which technology allows voice data to be transmitted over a company's computer network?
Definition
Answer:
Voice over IP (VoIP)
Term
Which two voltages are supported by a Molex connector in a desktop computer?
Definition
Answer:
+5 V and +12 V
Term
What is the clock speed, in megahertz, of PC2-6400/PC3-6400 RAM?
Definition
Answer:
800 MHz
Term
Which documentation states hazardous nature, ingredients, precautions to follow, health effects, safe handling information, and other important information about chemicals?
Definition
Answer:
Material Safety Data Sheets (MSDS)
Term
Which component of a laser printer meters the amount of toner present on the developer roller?
Definition
Answer:
doctor blade
Term
On which layer of Open System Interconnection (OSI) reference model does a switch operate?
Definition
Answer:
Data Link layer or Layer 2
Term
What is the default subnet mask of the IP address 192.168.200.1?
Definition
Answer:
255.255.255.0
Term
Which port is used for connecting multiple peripherals?
Definition
Answer:
Universal Serial Bus (USB) port
Term
Which cable is used with RJ-45 connectors?
Definition
Answer:
unshielded twisted pair (UTP) or shielded twisted pair (STP)
Term
How do you gather relevant information from the customer in a constructive manner?
Definition
Answer:
Use probing questions.
Term
Which common command is used to check the Internet connectivity from the command prompt?
Definition
Answer:
PING
Term
Which type of printer uses water-soluble ink droplets to print a document?
Definition
Answer:
inkjet printer
Term
What is the purpose of Power over Ethernet (PoE)?
Definition
Answer:
It allows an Ethernet connection to be used as both a network and power connection.
Term
What are the dimensions of a pico-ITX motherboard?
Definition
Answer:
3.8 by 2.8 inches
Term
Which interface on a portable computer will an IEEE1394 cable connect to?
Definition
Answer:
S400 interface for IEEE 1394
Term
Which Transport layer protocol provides an interface between Internet Protocol (IP) and upper layer processes?
Definition
Answer:
User Datagram Protocol (UDP)
Term
Which protocol is used for transferring files from one computer to another?
Definition
Answer:
File Transfer Protocol (FTP)
Term
Which type of printer prints a document by selectively heating a coated paper?
Definition
Answer:
thermal printer
Term
What is the maximum supported cable length, in feet, for an RS-232 serial cable?
Definition
Answer:
50 feet
Term
What are the two types of ExpressCard devices?
Definition
Answer:
ExpressCard 34 and ExpressCard 54
Term
Which component detects and modifies the magnetization of the hard disk platter surface?
Definition
Answer:
read-and-write heads
Term
Which type of current does a computer receive when you plug the computer into the wall?
Definition
Answer:
alternating current (AC)
Term
Documents printed using which type of printer should not be used for archiving purpose?
Definition
Answer:
thermal printer
Term
Which type of electric current can cause severe damage to computer components while a technician is troubleshooting a hardware device?
Definition
Answer:
Electrostatic discharge (ESD)
Term
What is the minimum number of disk drives that are needed to implement RAID-3?
Definition
Answer:
Three
Term
If the device is disabled in the BIOS, what is the status of the device in the operating system?
Definition
Answer:
The device is disabled until it is re-enabled in the BIOS.
Term
Which type of radio network is made up of radio cells served by a fixed transmitter, known as base station?
Definition
Answer:
a cellular network
Term
What should you do first, ventilate the room or use a fire extinguisher, if the CPU of your computer catches fire and you see smoke coming out of it?
Definition
Answer:
Ventilate the room.
Term
How many modes of operation are specified under the IEEE 1284 standard?
Definition
Answer:
five
Term
What is the main difference in the physical composition of UTP and STP cable?
Definition
Answer:
mesh shielding
Term
Which Open System Interconnection (OSI) layer interacts with software that acts as a communication component?
Definition
Answer:
the Application layer
Term
Which authentication protocol is used on a Windows computer that is logging into an Active Directory domain?
Definition
Answer:
Kerberos
Term
Which node on a network serves as an access point to another network?
Definition
Answer:
a default gateway
Term
Which hardware device can connect similar networks and can separate the network traffic on each segment?
Definition
Answer:
bridge
Term
Which parameter of the IPCONFIG command restores the DHCP configuration for adapters?
Definition
Answer:
/RENEW
Term
On which layer of Open System Interconnection (OSI) reference model does a router work?
Definition
Answer:
Network layer or Layer 3
Term
How many network cards are required in each computer when Internet access is shared via a router?
Definition
Answer:
one network card in each computer
Term
Which concept is used for designing a processor socket to prevent problems caused by applying force while inserting or extracting a processor?
Definition
Answer:
zero insertion force (ZIF)
Term
Which operating systems do not support Ultra DMA?
Definition
Answer:
DOS, MacOS, and NetWare
Term
What are the dimensions of an AT motherboard?
Definition
Answer:
12 inches wide and 13.8 inches deep
Term
Which ports can be used to connect a printer to a computer?
Definition
Answer:
parallel, serial, and USB
Term
Which standard allows devices, such as keyboard, printers, modems, or mouse, to communicate wirelessly with other devices in proximity?
Definition
Answer:
Bluetooth
Term
What are the dimensions of ExpressCard 54 devices?
Definition
Answer:
54 mm wide, 75 mm long, and 5 mm thick
Term
Which command releases the TCP/IP configuration information obtained from a Dynamic Host Configuration Protocol (DHCP) server?
Definition
Answer:
IPCONFIG /RELEASE
Term
Which type of port is included on a dial-up modem?
Definition
Answer:
RJ-11
Term
Which command is used to determine the MAC address of the computer's network interface card (NIC)?
Definition
Answer:
IPCONFIG /ALL
Term
Which driver supports Copy Protection for Recordable Media (CPRM) using a pass-through mechanism?
Definition
Answer:
the Secure Digital (SD) bus driver
Term
What are the maximum speeds for the three SATA specifications?
Definition
Answer:
SATA 1 - up to 1.5 gigabits per second (Gbps)
SATA 2 - up to 3.0 Gbps
SATA 3 - up to 6.0 Gbps
Term
What is the easiest method to allow two computers to use a printer that is attached to the USB port on one of the computers?
Definition
Answer:
Share the printer.
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