CompTIA学习资料

CompTIA 220-604: Practice Exam

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QUESTION NO: 1

When rebooting a computer running Windows XP Home, a technician observes an error message stating, 'illegal I/O port address.' Which of the following can be done to resolve this error?

A. Upgrade the motherboard BIOS.

B. Upgrade to Windows XP Professional.

C. Upgrade the CPU on the motherboard.

D. Return to Windows 2000 Professional.

Answer: A

QUESTION NO: 2

When experiencing video problems, which of the following should be performed FIRST to ensure that the monitor is not causing the problem?

A. Check for the latest video drivers.

B. Install a known-good video adapter.

C. Attach the monitor to a known-good computer.

D. Replace the monitor.

Answer: C

QUESTION NO: 3

Which of the following item colorizes the paper using a two-component laser printer?

A. toner

B. laser beam

C. developer

D. ribbon

Answer: A

QUESTION NO: 4

A computer has been upgraded with a new hard drive and after reassembling the computer and turning the computer on, the drive LED remains lit and an error message during power-on self test (POST) states, 'No Drive Present.' Which of the following would MOST likely be the cause?

A. The motherboard was damaged and needs replacing.

B. The floppy drive was not reconnected.

C. A configuration disk was left in the floppy drive.

D. The ribbon cable has been installed incorrectly.

Answer: D

QUESTION NO: 5

Which of the following would be the correct way to dispose of a laptop battery?

A. Place the battery on a shelf for storage.

B. Place the battery in a trash compactor separately from the laptop.

C. Dispose of the battery in the same manner as the laptop.

D. Refer to the disposal information located on the battery.

Answer: D

QUESTION NO: 6

Which of the following is a type of motherboard? (Select TWO).

A. PCI daughter board

B. IDE controller board

C. SATA controller board

D. micro ATX

E. standard ATX

Answer: D,E

QUESTION NO: 7

A technician receives a dot matrix printer for repair and the work order states that the printer is only printing one-half of each character. Which of the following should the technician replace?

A. print head

B. fuser

C. injector

D. print nozzle

Answer: A

QUESTION NO: 8

A laser printer has a vertically repetitive print defect. Before attempting to repair the printer, a technician should determine:

A. the distance between the spots.

B. which paper tray was used to print the document.

C. which driver was used to print the document.

D. which application was used to print the document.

Answer: A

QUESTION NO: 9

A technician receives a new printer for repair and the work order states that when powered on the printer makes a loud noise and will not print. Which of the following actions should the technician take?

A. Install new drivers on the computer.

B. Install a new ink cartridge.

C. Install a print head on the printer.

D. Remove the packing tape from the print head.

Answer: D

QUESTION NO: 10

A technician is troubleshooting a CD/DVD drive. There is a disk in the drive and the tray wont eject. Which of the following actions should the technician take FIRST?

A. Shutdown, restart and verify that the BIOS recognizes the drive and try again.

B. Replace the CD/DVD drive.

C. Pry the tray open with a small, flat head screwdriver.

D. Place the end of a paper clip in the emergency eject pinhole on the CD/DVD drive.

Answer: D

QUESTION NO: 11

When installing a new Plug and Play sound card, a technician should turn off and unplug the computer; remove the computer's cover; locate the sound card slot, insert and secure the card in the slot and:

A. plug in and turn on the computer; let Windows recognize the new hardware and install the driver.

B. plug in the computer; let Windows recognize the new hardware and plug in the speakers.

C. let Windows recognize the new hardware; install the driver and plug in the speakers.

D. turn on and plug in the computer; let Windows recognize the new hardware and install the driver.

Answer: A

QUESTION NO: 12

A technician receives a work order requesting the installation of an NLX motherboard into a micro ATX case. Which of the following should the technician recognize?

A. A standard ATX power supply will not be able to connect to the NLX adapter.

B. The system will not start up.

C. The case is too small for the motherboard.

D. The motherboard was not meant for this style of case.

Answer: D

QUESTION NO: 13

A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do?

A. Move the power supply voltage switch to 220 volts.

B. Add an additional fan to help cool the computer.

C. Replace the cable that attaches the power supply to the motherboard.

D. Replace the power supply.

Answer: D

QUESTION NO: 14

Which of the following can be used to determine the amount of physical memory installed in a laptop? (Select TWO).

A. Check Device Manager Snap-in.

B. Type WINVER in the command prompt.

C. Check the BIOS.

D. Check System Information in the Accessibility folder.

E. Check System Information.

Answer: C,E

QUESTION NO: 15

Which of the following would be the safest environmental condition for working on multiple systems at one time?

A. A tiled room with anti-static mats and wrist straps.

B. A clean, carpeted room with anti-static mats and wrist straps.

C. A tiled room in a warehouse with outside ventilation.

D. A clean, carpeted room with air purifiers and dehumidifiers.

Answer: A

QUESTION NO: 16

A technician receives a laptop that is running out of battery power more quickly than expected. Which of the following can the technician do to correct the problem?

A. Note on the work order that the laptop is losing battery capabilities and the laptop must be replaced.

B. Replace the battery by purchasing a new battery from the manufacturer.

C. Stop using the battery and use alternating current (AC) power for the laptop.

D. Replace the AC adaptor by purchasing a new adapter from the manufacturer.

Answer: B

QUESTION NO: 17

A new computer is displaying the wrong amount of memory. Which of the following may be the cause?

A. The module is installed backwards.

B. A USB device is using some memory.

C. An onboard video card is using some memory.

D. The CPU is using some memory.

Answer: C

QUESTION NO: 18

Which of the following printer types uses thin print pins to transfer ink from a fiber or ribbon?

A. impact

B. laser

C. solid ink

D. ink jet

Answer: A

QUESTION NO: 19

Which of the following would be the way to prevent the Num Lock LED from being turned on automatically when a laptop is booted?

A. Hold the function Num Lock key down during POST.

B. Go into the Windows Keyboard applet and deselect the 'Num Lock on boot' option.

C. Create a Windows profile to disable the feature during power-on self test (POST).

D. Turn the feature off in the BIOS.

Answer: D

QUESTION NO: 20

A user reports that the display on the laptop appears blurred. Which of the following is MOST likely the cause?

A. The LCD is not running in its native resolution.

B. LCD monitors do not appear blurred.

C. The drivers are improperly installed.

D. More video memory needs to be allocated.

Answer: A

QUESTION NO: 21

A user reports that when trying to print a document nothing comes out of the printer and states that the only printer in the printer dialog box is 'Microsoft Office Document Image Writer.' The technician should understand that the problem is that the printer:

A. has not been installed on the user's computer.

B. is not turned on.

C. driver is corrupt.

D. cable is unplugged.

Answer: A

QUESTION NO: 22

Which of the following should be considered when upgrading memory? (Select TWO).

A. speed of memory

B. memory slot color

C. type of memory

D. CPU speed

E. BIOS version

Answer: A,C

QUESTION NO: 23

Which of the following RAID configurations takes advantage of mirroring?

A. RAID 1

B. RAID 5

C. RAID 0

D. RAID 2

Answer: A

QUESTION NO: 24

Which of the following will help protect an operating system from vulnerability?

A. Download free anti-virus programs from the Internet.

B. Perform updates from the manufacturers website regularly.

C. Using the operating systems email program only to open attachments.

D. Monitoring what is displayed on the screen.

Answer: B

QUESTION NO: 25

When a computer does not recognize an internal modem, a technician should determine whether: (Select TWO).

A. the modem is seated properly.

B. the number being dialed is valid.

C. there are resource conflicts.

D. there is power to the modem.

E. the modem speaker is enabled.

Answer: A,C

QUESTION NO: 26

When installing an inkjet printer for the first time, which of the following should be done FIRST?

A. Print a test page from the Printer icon under the printers tab.

B. Select the new printer as the default printer.

C. Run the printhead alignment within the Tools folder of the printer.

D. Ensure that the printer is set for bi-directional printing.

Answer: C

QUESTION NO: 27

In which of the following locations would a technician set the LBA mode for a hard drive?

A. Jumper Settings

B. Disk Manager

C. Device Manager

D. System BIOS

Answer: D

QUESTION NO: 28

A work order states that a customer used Windows updates and after rebooting the computer, the video driver was corrupted and the computer was in safe mode. Which of the following would be the BEST action to take?

A. Download and install the correct video driver from the manufacturer's web site.

B. Remove the video driver and reboot the computer.

C. Use the Driver Roll Back feature in Device Manager.

D. Go back to Windows update and specify the correct video driver.

Answer: C

QUESTION NO: 29

When connecting a laser printer to a network for the first time, a technician should FIRST:

A. configure the network settings on the printer.

B. ensure the cable is set to TCP/IP.

C. enable the printer in the BIOS.

D. configure the printer as bi-directional in Windows.

Answer: A

QUESTION NO: 30

Which of the following would be an example of a biometric device?

A. encryption password

B. thumb print reader

C. USB security key

D. smart card reader

Answer: B

QUESTION NO: 31

To force a user to use Ctrl-Alt-Delete to log into the computer, a technician can go to Control Panel then:

A. Windows Firewall.

B. Security Center.

C. User accounts and the Advanced tab.

D. Accessibility options.

Answer: C

QUESTION NO: 32

During boot up, a laptop screen displays vertical colored lines and then the LCD screen goes blank. There are no display problems when connected to an external monitor. Which of the following actions should be taken to resolve the problem?

A. Replace the laptop.

B. Replace the LCD screen.

C. Replace the LCD pixels.

D. Re-select the LCD in Device Manager.

Answer: B

QUESTION NO: 33

Which of the following desktop hardware should a technician be MOST concerned with disposing of correctly?

A. batteries

B. power cords

C. disk drives

D. hard drives

Answer: A

QUESTION NO: 34

Which of the following would be the maximum number of devices in a single chain that USB technology will allow?

A. 98

B. 127

C. 254

D. 120

Answer: B

QUESTION NO: 35

A shipping department is reporting that a laser printer in the receiving area is becoming jammed because the printer attempts to pull several sheets of paper for each print. Which of the following may be the cause?

A. Humidity is causing the paper to stick together.

B. The paper is sticking to the corona wire and causing the jam.

C. A4 paper is being used and may not be supported by laser printers.

D. The fusion roller is dirty and pulling too many sheets of paper.

Answer: A

QUESTION NO: 36

A technician receives a printer that is printing ink smudges on random sheets of paper. Which of the following should the technician try FIRST?

A. Replace the printer.

B. Replace print head assembly.

C. Clean the print head.

D. Use a different brand of paper.

Answer: C

QUESTION NO: 37

A technician is working on a new computer running Windows XP and the hard drive is formatted at 20G

B but is an 80GB hard drive. There is not another partition and no extra space can be found under Windows explorer. Which of the following would be the BEST way to partition the remainder of the hard drive without data loss?

A. Add another hard drive and use that available space.

B. Run FDISK.

C. Use the Disk Management tool.

D. Back up all important data to an external drive then reformat the hard drive.

Answer: C

QUESTION NO: 38

A printer takes a long time to print high-end graphics. Which of the following would be the FIRST action to take?

A. Replace the toner cartridge.

B. Recommend the use of smaller graphics.

C. Check the amount of memory installed.

D. Recommend connecting fewer users to the printer.

Answer: C

QUESTION NO: 39

Which of the following represents a safety hazard?

A. liquid on the floor

B. a tiled floor

C. a concrete floor

D. carpet

Answer: A

QUESTION NO: 40

A customer has security concerns about classified local data being compromised if the laptop is stolen. The customers laptop has Windows 2000 utilizing the FAT16 file system. Which of the following actions should be taken?

A. Upgrade the operating system to Windows XP Home.

B. Have the customer convert to NTFS and enable data encryption.

C. Tell the customer that a laptop should not be used for classified data.

D. Configure the wireless adapter to only connect to secure networks.

Answer: B

QUESTION NO: 41

A technician is performing preventive maintenance on the hardware components in a workstation. Which of the following actions should the technician take?

A. Remove the case front and clean the air vents.

B. Unplug the capacitors from the board and clean the contacts.

C. Remove the processor and clean the pins with an eraser.

D. Remove the processor and clean any dust that has collected between the processor and the heatsink.

Answer: A

QUESTION NO: 42

A technician receives a laptop work order stating that the mouse pointer from the touchpad is moving randomly around the screen. Which of the following should the technician do FIRST?

A. Reboot the computer.

B. Replace the touchpad.

C. Clean the touchpad.

D. Update the driver.

Answer: C

QUESTION NO: 43

A technician receives a laptop that is running out of battery power more quickly than expected. Which of the following can the technician do to correct the problem?

A. Stop using the battery and use alternating current (AC) power for the laptop.

B. Note on the work order that the laptop is losing battery capabilities and the laptop must be replaced.

C. Replace the AC adaptor by purchasing a new adapter from the manufacturer.

D. Replace the battery by purchasing a new battery from the manufacturer.

Answer: D

QUESTION NO: 44

Which of the following makes toner stick to paper?

A. corona transfer wire

B. fuser assembly

C. drum assembly

D. pickup roller assembly

Answer: B

QUESTION NO: 45

An 8X AGP video card will not fit into the AGP slot. Which of the following may be the cause?

A. The motherboard only supports 3.3v AGP Cards.

B. The motherboard only supports universal cards.

C. The video card is defective.

D. The slot covers are misaligned.

Answer: A

QUESTION NO: 46

A technician is performing scheduled preventive maintenance on a laser printer. Which of the following should the technician clean or replace?

A. transfer corona

B. ozone filter

C. primary corona

D. fuser

Answer: B

QUESTION NO: 47

Which of the following is used to produce the best LCD image on a laptop?

A. Dual scan

B. Active matrix

C. Passive matrix

D. Active scanning

Answer: B

QUESTION NO: 48

Which of the following is the voltage that an ATX molex connector delivers to an IDE device? (Select TWO).

A. -3.3 Volts

B. 24 Volts

C. 120 Volts

D. 12 Volts

E. 5 Volts

Answer: D,E