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A+ questions
comptia practice exam questions and answers
62
Computer Science
Not Applicable
12/15/2009

Additional Computer Science Flashcards

 


 

Cards

Term
You replace a customer's HDD with a Single Ended SCSI system using approximately eight meters of cables in the SCSI system. After this installation the peripherals have stopped functioning. What do you suspect?
Definition
single ended SCSI systems dont work if the total cable lengh exceeds 6 meters.
Term
A 1xx POST error code indicates a problem with the:
Definition
system board
Term
User Maria calls you to complain that her system is totally dead today. It was working fine when she left the last evening. Which of the following must you check first?
Definition
Check power supply
Term
Your client's computer refuses to connect to the network. You observe the NIC light is not ON and then use a different cable. What should you do next?
Definition
Attempt to log in to the server after again observing the NIC light status
Term
Sally is having a problem with the network. She cannot log on from her computer although the computer is fine. You log on from her workstation using her username and password. Everything works fine. What is most likely the problem?
Definition
She is entering the username or password incorrectly.
Term
You have just configured two new SCSI drives on a system board meant for ATA drives. The drives being recognized after boot up are ATA drives. What is the problem?
Definition
The BIOS is not configured to boot from the SCSI drives
Term
You have just purchased a computer running Win 2000 with the following configuration. Every time the system is powered ON it keeps rebooting automatically. What could the problem be? ATX Main board Two Pentium 4 - 1 GHz, 200W Power Supply
Definition
PSU-power Supply Unit
Term
Your HDD does not respond upon powering ON your computer. What is the most likely problem?:
Definition
Loose Molex connector
Term
A 3xx POST error code indicates a problem with:
Definition
Keyboard
Term
You boot your PC and don't hear the usual single beep. What should you check first?
Definition
Speaker
Term
Silicon lubricant is used with which of the following?
Definition
Rollers in Printer
Term
A 4xx, 5xx, or 24xx POST error code indicates a problem with:
Definition
Video Adapter
Term
When using a common pencil eraser, you should be careful to rub __________ the outer-edge of the board or connector to prevent damage to the contacts.
Definition
Toward
Term
Your server room has become warm all of a sudden. Which of the following must you check?
Definition
Air conditioning
Term
A POST error code of 6xx indicates a problem with the:
Definition
Floppy Drive
Term
You switch on your PC and get no display. You are sure the monitor is ok. Which order would you follow for troubleshooting this problem?
Definition
Check that PC and monitor are plugged in, check that monitor brightness is turned up, check that PC fan is running.
Term
Which of the following is a reason to avoid putting magnetic tapes on top of a speaker?
Definition
EMI
Term
What is the most likely consequence of a sudden power outage?
Definition
Lost data
Term
A parity error usually indicates a problem with which of the following?
Definition
Memory
Term
A 17xx POST error code indicates a problem with:
Definition
Hard Drive or Controller
Term
You are unable to download the desired software from the Internet and suspect your network connection. Which of the following will help you to ascertain the problem?
Definition
Check the NIC card for link light activity.
Term
How would you work around the error message "non-system disk error" ?
Definition
A non-bootable floppy was left in the floppy disk drive. Remove it and press any key
Term
A client computer is sensitive to fluorescent light and refuses to boot when this light is on. What do you suspect?
Definition
he cable is routed adjacent to the light
Term
A 2xx POST error code indicates a problem with:
Definition
RAM or ROM
Term
Your monitor screen is a light green color, what could be the problem?
Definition
A pin is bent on the video cable connector
Term
A customer has complained that during a certain time of day, a user's client PC cannot connect to or log in to the server. No one else seems to be experiencing difficulty. What is the first step in troubleshooting the problem?
Definition
Examine the user's PC
Term
You buy a computer running Win 98 with the following configuration: Pentium MMX 233 MHz Intel Processor, 5 GB HDD, 16MB RAM,FDD etc. You observe that the system is too slow. What do you suspect?
Definition
RAM
Term
The fan on the power supply has stopped. Everything else seems to be working. What is the likely cause for this problem?
Definition
fan motor failure
Term
You install a SCSI 2 Ultra host adapter with 4 drives. After you bring up the system you notice that only 2 drives are detected. What is :the likely cause for this problem?
 
Definition
The hard drives have been configured with the same SCSI ID
Term
In the event of a power outage, what is an UPS designed to do?
Definition
Allows the computer to shut down safely
Term
What is an FRU?
Definition
Field Replaceable Unit
Term
During POST you hear one short beep. What does this signify?
Definition
Post completed successfully
Term
You have shifted your Windows XP machine using an optical mouse to a new glass top table. Now the mouse stops responding, but you do not see any related error messages either during boot up or in the device manager. What is the likely cause for the problem?
Definition
You need a mouse pad.
Term
What hardware/software must support the plug-and-play concept to ensure that it works properly when peripheral devices are installed on a server? (Select three)
Definition

Plug-and-play operating system

 

Plug-and-play peripheral device

 

Plug-and-play system BIOS

Term
Which of the following Ids will you choose for the SCSI device that you are planning for a boot device?
Definition
0
Term
State True or False: A SCSI host adapter must have a SCSI driver that follows the same standard as the SCSI drivers on the peripherals.
Definition
True
Term
From the perspective of an end user, what makes the ATX different from the AT?
Definition
Power button is electrical not mechanical
Term
Why use several fans on devices inside case? (Choose two.)
Definition

Better circulation

 

Lowers the temperature inside the case

Term
Which of the following is used to terminate a SCSI system?
Definition
Resistor
Term
You add a SCSI tape drive to a computer already having a few SCSI devices. You assign it a unique ID and then bring up the system. You notice the tape device does not function. What is the likely cause for this problem.
Definition
The SCSI chain was not terminated
Term
Your computer has one SCSI hard drive and one IDE/ATA hard drive. Which of the following is the default boot hard drive?
Definition
IDE, but SCSI can be made the default boot drive
Term
You are getting ready to install a SCSI host adapter that came pre-configured from the vendor with a SCSI ID of 1. What SCSI ID should you set the host adapter to?
Definition
7
Term
You bring up a newly installed server for the first time; however, none of the devices on the SCSI bus are recognized. What is the problem?
Definition
The SCSI bus was not properly terminated
Term
You want to upgrade from your current SCSI technology to one with a higher throughput and longer bus length. Which is the fastest technology with the longest bus?
Definition
Ultra-3 SCSI
Term
Which of the following is the maximum allowed length for a Single ended SCSI system?
Definition
6 meters
Term
While combining SCSI hard drive, CD-ROM drive and tape drive to assemble a new computer. What factors should you keep in mind while choosing the SCSI IDs for these components?
Definition
The hard drive should get the lowest ID
Term
What is the maximum number of devices supported ona single IDE controller?
 
Definition
4
Term
Which motherboard types accept 5 pin DIN keyboard connectors? (Choose two)?
Definition

AT

 

XT

Term
What type of CRT is 1024 x 768 in 8-bit (256-color) mode?
Definition
XGA
Term
Why do Hard drives require Int 13h?
Definition

To support a large hard drive

 

NOTE

 

Hard disk drives larger than 8.4 GB require a BIOS that supports enhanced interrupt 13h extensions for very large drives. Which method is used will depend on the system's age, operating system and the drive in question.

Term
What is the main difference between an ATA/33 and ATA/66 cable?
Definition
Number of wires
Term
The primary HDD on an IDE channel is recognized with the help of?
Definition
Jumper settings
Term
Given two ATAPI devices, what determines which device will be the master drive?
Definition
Jumpers
Term
What connectors are used on SCSI cables? (Choose all that apply.)
Definition

50 Pin Centronics

 

Mini 68

Term
What is a feature of Enhanced IDE?
Definition
ATAPI
Term
Your computer has a SCSI hard drive. You want to add another internal SCSI hard drive, to increase the storage capacity of your computer. Where should you connect the second SCSI hard drive?
Definition
To an open SCSI port on the computer
Term
Modern CD-ROM drives typically have which of the following interfaces?:
Definition
IDE
Term
You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?
Definition
as a slave
Term
In a computer with two drives on the primary IDE channel, where should you connect a ATA CD-ROM drive?
Definition
on the secondary IDE
Term
Your Windows 2000 Server computer uses a non-Plug and Play ISA modem configured to use IRQ 5. You add a PCI modem and restart the computer. Device Manager reports an IRQ conflict between the two modems. Both modem are trying to use IRQ 5. How will you resolve this?
Definition
Edit the CMOS settings on the computer to reserve IRQ 5 for non-Plug and Play devices
Term
A server has just been connected to a new UPS. You pull the power plug to test the UPS, both the UPS and the server abruptly shut down. What is the most likely cause for this problem?
Definition
The UPS battery was not charged
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