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CIS 101
Networking Home and Small Businesses (Mid-Term)
84
Computer Networking
Undergraduate 1
01/30/2011

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Cards

Term
Which computer component is considered the nerve center of the computer system and is responsible for processing all of the data within the machine ?
Definition
CPU
Term
What are two advantages of purchasing a preassembled computer ?
Definition
usually a lower cost
adequate for performing most general applications
Term
A user plans to run multiple applications simultaneously on a computer. Which computer component is essential to accomplish this ?
Definition
RAM
Term
Which adapter card enables a computer system to exchange information with other systems on a local network ?
Definition
network interface card
Term
What is the main storage drive used by servers, desktops, and laptops ?
Definition
hard drive
Term
Which component is designed to remove high-voltage spikes and surges from a power line so that they do not damage a computer system ?
Definition
surge suppressor
Term
What are two examples of output peripheral devices ?
Definition
printer
speakers
Term
What two functions does a UPS provide that a surge protector does not ?
Definition
*provides backup power from an internal battery
*gives the user time to safely shut down the computer if the power fails
Term
What is a word processor ?
Definition
It is a program designed to perform a specific function.
Term
What is the purpose of the ASCII code ?
Definition
represents letters, characters, and numbers with bits
Term
Why do servers often contain duplicate or redundant parts ?
Definition
Servers should be accessible at all times.
Term
What are two benefits of hooking up a laptop to a docking station ?
Definition
An external monitor can be used.
Alternate connectivity options may be available.
Term
Applications can be grouped into general use software or industry specific software. What are two examples of industry specific software ?
Definition
CAD
medical practice management
Term
Which three terms describe different types of computers ?
Definition
laptop
desktop
mainframe
Term
How is a server different from a workstation computer ?
Definition
The server provides services to clients.
Term
How many values are possible using a single binary digit ?
Definition
2
Term
What measurement is commonly associated with computer processing speed ?
Definition
hertz
Term
What can be used to prevent electrostatic discharge (ESD) ?
Definition
grounding strap
Term
If a peripheral device is not functioning, what are three things you should do to solve the problem ?
Definition
*Use the testing functionality on the peripheral itself, if available.
*Verify that all cables are connected properly.
*Ensure that the peripheral is powered on.
Term
Which two steps should be performed when installing a peripheral device ?
Definition
*Download and install the most current driver.
*Connect the peripheral using an appropriate cable or wireless connection.
Term
In newer operating systems, how are system resources assigned by default when components are installed ?
Definition
dynamically assigned between the component and the operating system
Term
An operating system is severely damaged. All data on the partition needs to be deleted, and all application software must be reinstalled. Which installation method should be used to correct the problem?
Definition
clean install
Term
Which two statements should be included in a pre-installation checklist when upgrading an operating system?
Definition
*Verify that the hardware resources meet or exceed the published minimum requirements.
*Complete a full backup of all important files and data.
Term
Which three pieces of information must be specified on a computer to allow that computer to send and receive information across networks?
Definition
IP address
subnet mask
default gateway
Term
Which two items must be unique to each computer and cannot be duplicated on a network?
Definition
computer name
IP address
Term
Which method of interacting with an operating system involves typing commands at a command prompt?
Definition
CLI
Term
What are three characteristics of an operating system that is released under the GPL (GNU Public License)?
Definition
full access to source code
software often available free
Term
What is the purpose of a default gateway?
Definition
identifies the device that allows local network computers to communicate with devices on other networks
Term
Which two statements are true about drive partitions?
Definition
*Partitions are necessary in multi-boot installations.
*A hard drive can be divided into an operating system partition and a data partition.
Term
What occurs when computers are configured to receive their network configurations dynamically?
Definition
Each computer requests configuration information from a server.
Term
What are two ways that a user can interact with an operating system shell?
Definition
CLI
GUI
Term
Which three resource specifications are given by the manufacturer to ensure that an operating system performs as designed?
Definition
required hard disk space
recommended amount of RAM
processor type and speed
Term
The Lesson TaskMaster application from ChalkBoard has a problem. Every time the software is installed and loaded on a Windows XP-based Dell computer, and the moment something is typed followed by a tab, two tabs are inserted instead of one. What would be the best solution to this problem?
Definition
Download, install, and apply a patch from ChalkBoard.
Term
What Explorer menu option is used to determine the Windows XP version installed on a computer?
Definition
Help
Term
Which Windows XP Automatic Update option allows you to select the time when a Windows update is executed?
Definition
Automatic (recommended).
Term
What two items are available from the About Windows option through the Windows Explorer Help menu?
Definition
the end-user license agreement
the operating system version number
Term
Which operating system patch installation method is used when a user is notified of a security update for remotely accessing a computer, but wishes not to install this patch?
Definition
prompt for permission
Term
Which statement is true about installing an operating system on computers in a networked environment?
Definition
The computer name must be unique for all computers on the same network.
Term
Windows XP has a known problem with specific Intel processors. What is the best course of action to take in this situation?
Definition
Download and install the Windows patch that fixes this problem.
Term
Which Windows file system is more likely to be used in a business environment?
Definition
NTFS
Term

You must select an operating system for the faculty at a college. All of the questions below would be logical for you to ask except one. Determine the illogical question.

*How much does the operating system cost and does the college have funding? *Is the technical support staff at the college able to support the operating systems being considered?

*Do the operating systems being considered have the ability to support the ports available on the faculty computers? *What types of applications do the faculty use and are they compatible with the operating systems being considered?

Definition
Do the operating systems being considered have the ability to support the ports available on the faculty computers?
Term
Which term is used to describe the process of placing one message format into another format so that the message can be delivered across the appropriate medium?
Definition
encapsulation
Term
Refer to the graphic. Five PCs are connected through a hub. If host H1 wants to reply to a message from host H2, which statement is true?


[image]
Definition
H1 sends a unicast message to H2, but the hub forwards it to all devices.
Term
Which two statements concerning networking standards are true?
Definition
provides consistent interconnections across networks
simplifies new product development
Term
What does the 100 mean when referencing the 100BASE-T Ethernet standard?
Definition
speed of transmission
Term
Which address does an NIC use when deciding whether to accept a frame?
Definition
destination MAC address
Term
Which type of address is used in an Ethernet frame header?
Definition
MAC addresses only
Term
What is the function of the FCS field in an Ethernet frame?
Definition
detects transmission errors
Term
What is the purpose of logical addresses in an IP network?
Definition
They are used to determine the network that the host is located on.
Term
Which device accepts a message on one port and always forwards the message to all other ports?
Definition
hub
Term
Which two networking devices are used to connect hosts to the access layer?
Definition
hub
switch
Term
Host A needs to learn the MAC address of Host B, which is on the same LAN segment. A message has been sent to all the hosts on the segment asking for the MAC address of Host B. Host B responds with its MAC address and all other hosts disregard the request. What protocol was used in this scenario?
Definition
ARP
Term
A switch receives a frame with a destination MAC address that is currently not in the MAC table. What action does the switch perform?
Definition
It floods the frame out of all active ports, except the origination port.
Term
What is a benefit of having a router within the distribution layer?
Definition
keeps broadcasts contained within a local network
Term
Refer to the graphic. What does the router do after it determines that a data packet from Network 1 should be forwarded to Network 2?

[image]
Definition
It reassembles the frame with different MAC addresses than the original frame.
Term
Which table does a router use to make decisions on where a data packet is to be sent?
Definition
routing table
Term
If the default gateway is configured incorrectly on the host, what is the impact on communications?
Definition
The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
Term
What device is typically used as the default gateway for a computer?
Definition
the router interface closest to the computer
Term
If a router receives a packet that it does not know how to forward, what type of route must be configured on the router to prevent the router from dropping it?
Definition
default route
Term
Which two items are included in a network logical map?
Definition
naming scheme
IP addressing scheme
Term
An integrated router can normally perform the functions of which two other network devices?
Definition
switch
wireless access point
Term
What is a reason for disabling simple file sharing?
Definition
It enables the user to set more specific security access levels.
Term
Which definition describes the term Internet?
Definition
a network of networks that connects countries around the world
Term
What type of connection point is a point of presence (POP)?
Definition
between an ISP and a home-based LAN
Term
What is the term for the group of high-speed data links that interconnect ISPs?
Definition
Internet backbone
Term
Which device can act as a router, switch, and wireless access point in one package?
Definition
ISR
Term
What are three characteristics of business class ISP service?
Definition
fast connections
extra web space
additional e-mail accounts
Term
What is a major characteristic of asymmetric Internet service?
Definition
Upload speeds and download speeds are different.
Term
Which three elements are required to successfully connect to the Internet?
Definition
an IP address
a network connection
access to an Internet service provider
Term
What term describes each router through which a packet travels when moving between source and destination networks?
Definition
hop
Term
What does the tracert command test?
Definition
the network path to a destination
Term
What type of end-user connectivity requires that an ISP have a DSLAM device in their network?
Definition
digital subscriber line technology
Term
Why would an ISP require a CMTS device on their network?
Definition
to connect end users using cable technology
Term
Refer to the graphic. What type of cabling is shown?


[image]
Definition
Fiber
Term
Refer to the graphic. What type of cabling is shown?
[image]
Definition
UTP
Term
Which two places are most appropriate to use UTP cabling?
Definition
in a home office network
inside a school building
Term
What does adherence to cabling standards ensure?
Definition
reliable data communications
Term
Refer to the graphic. What type of cable is shown?
[image]
Definition
Crossover
Term
What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling?
Definition
RJ-45
Term
Which two characteristics describe copper patch panels?
Definition
uses RJ-45 jacks
allows quick rearrangements of network connections
Term
What are two advantages of cable management?
Definition
aids in isolation of cabling problems
protects cables from physical damage
Term
What are two common causes of signal degradation when using UTP cabling?
Definition
having improper termination
using low quality cables or connectors
Term
What are three commonly followed standards for constructing and installing cabling?
Definition
pinouts
cable lengths
connector types
Term
What type of route allows a router to forward packets even though its routing table contains no specific route to the destination network?
Definition
default route
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