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A+ essential
A+ essential exam
71
Computer Science
Professional
10/10/2011

Additional Computer Science Flashcards

 


 

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Term
A customer installs an ink-jet printer on a computer running Windows XP. The printer uses a USB connection to the computer. The printer's self-test prints correctly, but documents sent from any application print unrecognizable garbage.

What is the most likely cause?


Windows XP selected the wrong device driver for the printer during installation.


The spooler file is too small.


The ink cartridges are misaligned.


The ink cartridges are clogged.
Definition
Windows XP selected the wrong device driver for the printer during installation.
Term
You receive a stop message while trying to install Windows 2000 Professional.

What should you check first to try to diagnose the problem?


Check to see that the installation CD is clean and not scratched.


Verify that you are not trying to upgrade from Windows NT 3.51.


Make sure you have enough disk space for the temporary files.


Determine if the hardware is on the Hardware Compatibility List.
Definition
Determine if the hardware is on the Hardware Compatibility List
Term
You want Windows XP Professional computers on your network to receive an IP address automatically.

What kind of server is needed to support this?



DHCP


DNS


WINS


FTP
Definition
DHCP
Term
A Windows 7 computer is located in a cubicle in a non-secure area of the building. You want to prevent other users from accessing the computer if the user leaves it unattended.

What should you do? (Choose two.)



Configure the screen saver to lock the computer.


Configure a hard drive lock.


Install an IDS.


Install a hardware lock.


Instruct the user to press the WINDOWS + L keys before leaving the computer
Definition
Configure the screen saver to lock the computer.
Instruct the user to press the WINDOWS + L keys before leaving the computer
Term
What should you avoid when discussing a problem with a customer?
Definition
Interrupting the customer
Term
For which application would you be most likely to use a thermal printer?
Definition
Printing barcode labels for inventory items
Term
After replacing the floppy drive, when you restart the computer, the drive light goes on and stays on.

What is the most likely cause of the problem?


The floppy drive is not set up correctly in the BIOS setup program.


The floppy drive power cable is not connected.


The floppy drive data cable is not connected to the motherboard correctly.


The floppy drive data cable is faulty
Definition
The floppy drive data cable is not connected to the motherboard correctly
Term
Which of the following security features are supported by both Windows XP Professional and Windows 2000 Professional without installing additional software or service packs? (Choose two.)



Windows Firewall


Windows Security Center


Smart card support


Voice print recognition


Kerberos


EFS
Definition
Kerberos

EFS
Term
Which type of network connection has the highest latency?



Cable modem


DSL


Dial-up


Satellite
Definition
Satellite
Term
What should you do to require a user to enter a password before a computer will boot?


Configure security through the CMOS setup utility.


Configure security through the operating system.


Configure security through the BIOS flash utility.


Install a smart card reade
Definition
Configure security through the CMOS setup utility
Term
Which of the following is a source of EMI?
Definition
Fluorescent lights
Term
Which graphics card would be best for a user who does video editing and game playing?



256 MB PCI


128 MB PCI


256 MB AGP


256 MB PCI Express
Definition
256 MB PCI Express
Term
Which backup types back up selected files and clear the archive bit in Windows Backup? (Choose two.)


Daily


Normal


Copy


Incremental


Differential
Definition
Normal
Incremental
Term
A user with the username jbrown has a laptop with a single hard disk drive that runs the 64-bit version of Windows 7 Home Premium.

By default, what locations are included in the Videos Library? (Choose two.)



C:\Users\Public\Videos


C:\Users\jbrown\Documents


C:\Users\jbrown\Videos


C:\Documents and Settings\jbrown\Videos


C:\Windows\Videos
Definition
C:\Users\Public\Videos
C:\Users\jbrown\Videos
Term
Which cables are UTP Ethernet cables? (Choose two.)



10Base2


10Base5


10BaseT


100BaseTX
Definition
10BaseT
100BaseTX
Term
For what purpose would you use a password generator?


To automatically enforce a password policy


To enable password-protected file sharing


To create a boot password


To ensure stronger passwords
Definition
To ensure stronger passwords
Term
When you are on a service call, when is it acceptable to use a customer's telephone?



Only after asking and receiving the customer's permission


Never


Any time


Any time, as long as it is business-related, even if it is not related to the customer's problem
Definition
Only after asking and receiving the customer's permission
Term
When you are on a service call, when is it acceptable to use a customer's telephone?



Only after asking and receiving the customer's permission


Never


Any time


Any time, as long as it is business-related, even if it is not related to the customer's problem
Definition
Only after asking and receiving the customer's permission
Term
Which statement correctly describes a multicore processor?


A triple core processor can only perform asymmetric multiprocessing.


A triple core processor requires at least two integrated circuits.


A quad core processor can combine four processors on a single integrated circuit.


A quad core processor executes instructions four times as fast as a single core processor.
Definition
A quad core processor can combine four processors on a single integrated circuit
Term
Which two storage devices allow you to read data from and write data to optical media? (Choose two.)


RRD drive


DVD+R


CD-RW


Zip drive


Flash drive
Definition
DVD+R

CD-RW
Term
Which two storage devices allow you to read data from and write data to optical media? (Choose two.)



RRD drive


DVD+R


CD-RW


Zip drive


Flash drive
Definition
DVD+R


CD-RW
Term
You are talking with a customer who is having problems printing from an application.

Which question, when asked courteously, would be the best first step in gathering information from the customer about the problem?



"When did it last work?"


"Do you know how it works?"


"Can you try again to make it print?"


"Is it connected properly?"
Definition
When did it last work?
Term
You are talking with a customer who is having problems printing from an application.

Which question, when asked courteously, would be the best first step in gathering information from the customer about the problem?


"When did it last work?"


"Do you know how it works?"


"Can you try again to make it print?"


"Is it connected properly?"
Definition
When did it last work?"
Term
How can you remove a hotfix that was applied through automatic updates on a Windows XP computer?
Definition
Use Add or Remove Programs.
Term
You need to select the backbone cable for a university campus network. There are 7 buildings, each separated by 100 meters.

Which of the following cable types would you choose to network seven buildings on a university campus?
Definition
Multimode Fiber Optic
Term
You work in a highly secure environment, and you need to select a method of authenticating users.

Which method of authentication provides the highest level of security?
Definition
Biometric device
Term
While he is attempting to fix a problem, a customer makes the problem worse by introducing new issues. The customer claims that he did not do anything other than call you to report the problem.

What should you do?



Call the customer's bluff and show the customer how he made the problem worse, and then troubleshoot and fix the problem.


Tell the customer to never try fixing a problem himself and refuse to work on the failing device until the customer apologizes.


Say nothing about the added problem, focus on the task at hand, and troubleshoot and fix the problem.


Tell your supervisor and the customer's supervisor that it will take longer to fix the problem because of the customer's actions, and then troubleshoot and fix the problem.
Definition
Say nothing about the added problem, focus on the task at hand, and troubleshoot and fix the problem.
Term
Which of the following are common types of internal hard disk drives? (Choose two.)



SATA


IDE


USB


PCI Express


AGP
Definition
SATA


IDE
Term
Windows gives you an "Invalid Page Fault" error message.

What could be the cause of this? (Choose two.)


The virtual memory becomes unstable due to a shortage of free RAM.


The Registry may be corrupted.


The hard drive may be faulty.


The RAM may be faulty.


The virtual memory becomes unstable due to a shortage of free disk space.
Definition
The virtual memory becomes unstable due to a shortage of free RAM.
The virtual memory becomes unstable due to a shortage of free disk space.
Term
Which laser printer component is most likely to cause burns during servicing?



Corona wire


Fuser roller


Photosensitive drum


Paper-feed motor
Definition
Fuser roller
Term
What type of video connector has 19 pins?


Type A HDMI connector


Type B HDMI connector


YPbPr analog component video connector


RGB analog component video connector
Definition
Type A HDMI connector
Term
What type of video connector has 19 pins?



Type A HDMI connector


Type B HDMI connector


YPbPr analog component video connector


RGB analog component video connecto
Definition
Type A HDMI connector
Term
Windows XP provides another alternative when a system that fails to boot cannot be repaired even using the Recovery Console.

What utility is a last resort option to use after you have unsuccessfully tried other recovery methods, such as rolling back drivers, restoring from backups, performing parallel installations, and using System Restore?



Debugging


ASR


DiskProbe


DMDIAG
Definition
ASR -ASR is a last resort option to use after you have unsuccessfully tried other recovery methods, such as rolling back drivers, restoring from backups, performing parallel installations, and using System Restore
Term
What device increases the number of PCI slots on a motherboard?



Riser card


CNR slot


Daughter board


Planar board
Definition
Riser card
Term
Under which scenario would it be appropriate to provide a laptop user with a fixed-input power supply?



The laptop will never be shut down.


The laptop will not be connected to external peripherals.


The laptop will always be connected to AC power.


The laptop will only be used in a single country.
Definition
The laptop will only be used in a single country.
Term
How should you install the most recent hotfixes to a customer's computer running Microsoft Windows XP that does NOT have the latest service pack applied?



Download and install the most recent hotfixes from Microsoft.


Install the most recent service pack, from CD or download, and then download and install the more recent hotfixes from Microsoft.


Download and install the most recent service pack from Microsoft.


Install the most recent service pack from CD
Definition
Install the most recent service pack, from CD or download, and then download and install the more recent hotfixes from Microsoft.
Term
You create a batch file that contains the following statement:

cd C:\Windows\System

You need to create a file that shows a list of all the files in the C:\Windows\System directory.

Which command should you use?



copy C:\Windows\System sysfiles.txt


dir > sysfiles.txt


xcopy sysfiles.txt


dir | sysfiles.txt
Definition
dir > sysfiles.txt
Term
Which of the following security concerns is more relevant to healthcare providers than automobile manufacturers?



Allowing access to strategic business data on a need-to-know basis


Keeping anti-virus software up-to-date


Protecting against social engineering attacks


Compliance with data privacy laws
Definition
Compliance with data privacy laws
Term
When is it acceptable to open files on a customer's computer?



When necessary as part of the troubleshooting process


When the customer appears to have personal files on the computer


When you suspect the files were downloaded from the Internet


When the files are fragmented
Definition
When necessary as part of the troubleshooting process
Term
You have a laptop that has an external monitor connected. What would you use to toggle the video signal to the external monitor?



DualView


Fn key


Auto-switching


Touch pad
Definition
Fn key
Term
You manage your company's IT department. You are planning to hire six new technicians.

Which of the following will BEST help technicians learn how to troubleshoot user problems?



Application documentation


Training materials


User manuals


Internet resources
Definition
Training materials
Term
A computer running Windows 7 has the following address:

FE80::2AA:FF:FE3F:2A1C

How is this address used?



To communicate between subnets on the same network


To provide loopback communications for testing


To provide a globally unique unicast address


To communicate with other hosts on the same subnet
Definition
To communicate with other hosts on the same subnet
Term
Which types of RAM should be used in a mission critical server, such as an application web server? (Choose two.)


ECC RAM


Non-Parity RAM


Parity RAM


EDO-RAM


SO-DIMM
Definition
Parity RAM
ECC RAM
Term
A customer upgrades a computer from Windows 98 to Windows XP Professional. The customer calls to complain that Windows XP stopped working a month after installation.

What should you tell the customer?



Tell the customer to contact Microsoft and activate the copy of Windows XP.


Tell the customer to install Windows XP as a clean installation.


Tell the customer to start the computer in Safe Mode.


Tell the customer to run a repair installation.
Definition
Tell the customer to contact Microsoft and activate the copy of Windows XP.
Term
Which wireless network standard specifies transmission at 2.4 GHz and a maximum transmission speed of 11 Mbps?



802.11a


802.11b


802.11g


802.11n
Definition
802.11b
Term
What Windows command-line utility lets you encrypt individual files?


Convert


Xcopy


Cipher


Attrib
Definition
Cipher
Term
Which benefit is provided by dual-channel RAM?



Increased bandwidth on the bus between the CPU and memory


Fault tolerance if one RAM chip experiences an error


Faster access to frequently-used data


Memory access by both cores in a dual core processor
Definition
Increased bandwidth on the bus between the CPU and memory
Term
Which term describes the ability for a portable PC's power adapter to change its rated input voltage?


Advanced Power Management (APM)


Advanced Configuration and Power Interface (ACPI)


System Management Mode (SMM)


Auto-Switching
Definition
Auto-Switching
Term
You install a printer using the USB interface and set the configuration options.

What should you do to optimize print quality?



Calibrate the ink cartridges (align print head).


Increase the size of the spooler file.


Print a test page.


Use the parallel interface instead of the USB interface.
Definition
Calibrate the ink cartridges (align print head).
Term
Your Windows XP computer fails to boot normally. It starts in Safe Mode.

Which startup option will allow you to create a file that you can examine to identify the drivers that failed to load?



Enable VGA Mode


Recovery Console


Debugging Mode


Enable Boot Logging
Definition
Enable Boot Logging
Term
Your Windows XP computer fails to boot normally. It starts in Safe Mode.

Which startup option will allow you to create a file that you can examine to identify the drivers that failed to load?



Enable VGA Mode


Recovery Console


Debugging Mode


Enable Boot Logging
Definition
Enable Boot Logging
Term
Which of the following Wi-Fi adapters are specific to laptops? (Choose three.)



Wi-Fi CardBus adapter


PCI Wi-Fi card


Wi-Fi Express card


USB Wi-Fi adapter


Mini-PCI Wi-Fi adapter
Definition
Wi-Fi CardBus adapter
Wi-Fi Express card
Mini-PCI Wi-Fi adapter
Term
What is the maximum indoor range for a wireless router using the 802.11g protocol?



50 feet


150 feet


600 feet


300 feet
Definition
150 feet
Term
Which statements correctly identify differences between BitLocker and EFS? (Choose two.)



BitLocker requires at least two disk partitions, and EFS does not.


BitLocker functions at the volume level, while EFS functions at the file system level.


BitLocker provides encryption for wireless networks, and EFS provides encryption for stand-alone computers.


BitLocker encrypts data during transmission, and EFS encrypts data when it is stored to disk.


BitLocker can only be used with Windows versions prior to Vista.
Definition
BitLocker requires at least two disk partitions, and EFS does not.


BitLocker functions at the volume level, while EFS functions at the file system level.
Term
A customer is having printer problems. The customer says, "The printout was bad."

Which of the following is an example of a clarifying question?



Did the printer work before?


Were the characters blurry?


Has this happened before?


What application were you using?
Definition
Were the characters blurry?
Term
Which motherboard form factor is designed for small form factor computers but usually uses the same northbridge and southbridge chipsets and power connectors as the most widely used motherboard form factor?



BTX


Micro ATX


ATX


NLX
Definition
Micro ATX
Term
Although all batteries should be checked for hazardous content before disposal, which battery types require special procedures for disposal/recycling due to dangerous chemical content? (Choose three.)



Mercuric Oxide


Alkaline


Zinc


Lithium


Nickel Hydride


Nickel-Cadmium
Definition
Mercuric Oxide
Lithium
Nickel-Cadmium
Term
Your laptop does not provide sufficient I/O ports to meet your needs. You are trying to decide whether a docking station or port replicator is more appropriate to your needs.

What additional hardware support is provided by both a docking station and a port replicator? (Choose two.)



Serial interface connector


PCI slot


Hard disk bay


Removable media bay


USB port
Definition
Serial interface connector
USB port
Term
A computer running Microsoft Windows XP has been validated as genuine through the Windows Genuine Advantage (WGA) program. You want to ensure that security updates are applied automatically without your intervention.

What is the minimum physical configuration requirement for supporting automatic Windows updates?



The computer must have as-needed access to the Internet.


The computer must have full-time access to the Internet.


The computer must be deployed as part of a Windows Active Directory domain.


The computer must be deployed as part of a Windows-based network.
Definition
he computer must have as-needed access to the Internet.
Term
What are the minimum requirements to install Windows XP Professional on a PC? (Choose three.)



64 MB RAM


Pentium 233 or equivalent


Pentium 333 or equivalent


128 MB RAM


1.5 GB available disk space


2.0 GB available disk space
Definition
64 MB RAM
Pentium 233 or equivalent
1.5 GB available disk space
Term
Which statement correctly describes computers that belong to the same Active Directory domain?



Access to resources can be granted or denied to any domain user or group.


A password can be assigned to each shared resource.


All computers in a domain are part of the same peer-to-peer network.


All computers in a domain must be located on the same network segment.
Definition
Access to resources can be granted or denied to any domain user or group.
Term
You need to compare DDR2-667 with DDR3-1600. Which statement is correct?



DDR3-1600 has a higher peak transfer rate than DDR2-667.


DDR3-1600 chips can be installed in a DDR2 slot.


DDR2-667 chips can be installed in a DDR3 slot.


DDR2-667 has a higher data rate than DDR3-1600
Definition
DDR3-1600 has a higher peak transfer rate than DDR2-667.
Term
Which statement correctly describes SRAM?



SRAM provides better performance than DRAM.


SRAM consumes more power than DRAM.


SRAM cannot be used in embedded applications.


SRAM must periodically refresh its capacitor charge.
Definition
SRAM provides better performance than DRAM.
Term
What tool allows you to check your system for compatibility prior to installing a new version of Windows?



Upgrade Advisor


Windows Update


Disk Cleanup


MSCONFIG


Windows Error Reporting
Definition
Upgrade Advisor
Term
You are removing the expansion cards from a motherboard to provide better access for cleaning.

What should you do with the expansion cards while you are cleaning the motherboard? (Choose two.)



Set the cards on the metal case.


Set the cards on top of separate antistatic bags.


Insert each card in a separate antistatic bag.


Set the cards, component side down, on a table or desk.


Set the cards on a grounded antistatic mat.
Definition
Insert each card in a separate antistatic bag.
Set the cards on a grounded antistatic mat.
Term
A user reports that his computer does not play audio. The computer is running Windows 7.

You want to remotely view information about the computer's operating system version, installed drivers, and Interrupt Request (IRQ) settings.

What tool should you use?



Msinfo32


DxDiag


Msconfig


Computer Management
Definition
Msinfo32
Term
What does the memory test that occurs at boot up do?



Tests CPU burst speed


Tests RAM refresh rate and speed


Counts RAM locations


Counts HDD memory locations


Tests ROM memory locations


Tests HDD memory locations
Definition
Counts RAM locations
Term
You install a new secandary hard drive in an older Pentium machine. When the computer boots into Microsoft Windows XP, the hard drive does not appear in any disk management utility.

What should you check first? (Choose four.)



BIOS IDE settings


IDE connector


Jumpers on the hard drive


Hard drive's Molex connector


Power for the motherboard


FDD cable


Berg connectors
Definition
BIOS IDE settings


IDE connector


Jumpers on the hard drive


Hard drive's Molex connector
Term
You need to make an ASR recovery set for your Windows XP Professional computer.

What tool should you use?



Windows Backup


System Restore


MSCONFIG


Recovery Console
Definition
Windows Backup
Term
A user complains that a laptop's LCD screen stopped working suddenly. The user was typing when the LCD screen went dark. The laptop has a port that supports an external VGA monitor.

You want to talk the user through correcting the problem over the phone, if possible. The user is concerned about losing unsaved work on the computer.

What is the first thing you should have the user try?



Connect a VGA monitor to the external VGA port.


Hold the function (Fn) key and toggle the LCD screen key.


Press the laptop power button.


Shut down the laptop and restart in Safe mode.
Definition
Hold the function (Fn) key and toggle the LCD screen key.
Term
You partition a hard disk with an extended partition divided into three logical drives.

What must you do before you can use the logical drives?



Run a low-level format on each drive.


Format each drive with a file system.


Assign drive letters.


Recreate the master boot record (MBR).


Create folders for your documents and programs.
Definition
Format each drive with a file system.
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