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Computer Essentials > A+ Domain 4 Hardware and Network Troubleshooting > Flashcards

A+ Domain 4 Hardware and Network Troubleshooting Flashcards

1
Q

If a computer beeps while attempting to boot up, which is the most likely cause?

A

Hardware is not installed properly

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2
Q

The most likely cause of a PC that will not power on is a faulty power supply or a bad connection to the power supply.

A

True

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3
Q

A technician has determined that the integrated video card in a computer is malfunctioning. Which is the best course of action to get the video working?

A

Install an external video card

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4
Q

If, when trying to start up a computer, there are no indicator lights, which has most likely failed?

A

Power supply

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5
Q

When a capacitor on a motherboard is bulging or worn, it is known as a/an __________.

A

distended capacitor

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6
Q

If a PC is attempting to boot the incorrect hard disk, which is the first action that should be taken to resolve the issue?

A

Check the boot order in the BIOS

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7
Q

Which are the most common causes of intermittent device failure? Choose two answers.

A

Overheating

Loose connector

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8
Q

Which outward signs indicate a failing power supply? Choose two answers.

A

Smoke

Burning smell

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9
Q

A computer technician is attempting to boot a PC and hears a loud clicking noise. Which action should be taken?

A

Back up the data ASAP and replace the hard drive

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10
Q

Which are common causes of a BSOD? Choose three answers.

A

Failing hardware
Application failing
RAM seated improperly

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11
Q

Jeff is working on a PC that is experiencing continuous reboots. After checking the hardware, he determines it is not the cause. Which should he do next?

A

Boot into safe mode

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12
Q

Which is a sign that the CMOS battery should be replaced?

A

System time keeps resetting

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13
Q

Colin noticed that the system time appears to be slow on his PC. This is a sign that the CMOS battery needs to be replaced.

A

True

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14
Q

If a PC is overheating, which is the first step one should take to take to try to solve the problem?

A

Clean the fans

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15
Q

If the fans on a computer are not spinning at startup, which are the most likely causes of the power problem? Choose two answers.

A

Bad voltage

Bad connector

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16
Q

Tim has been working on a customer’s computer, and begins to experience frequent system lockups. Which might he check first?

A

PC temperature

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17
Q

When would a POST card not be needed?

A

If there is a POST decoder with an LED on the motherboard

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18
Q

A computer technician is working on a PC that was recently brought in, but is having trouble getting it to boot. Which troubleshooting steps should he try? Choose three answers.

A

Double-check cabling
Check the SATA port in the BIOS
Try putting the drive into another system as the non-bootable drive to see if it is readable

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19
Q

Which would explain slow performance from a hard drive? Choose two answers.

A

Full disk

Fragmented disk

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20
Q

While working on a PC for a customer, Kim comes across a RAID not found error. Which are the likely causes of this? Choose three answers.

A

The RAID may not be set up properly
RAID may not be supported on the system
The RAID functionality may not be enabled in the BIOS

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21
Q

If there is a failure in a drive for RAID 1, 5 or 10, which is the most appropriate course of action?

A

Replace the drive immediately

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22
Q

A magnetic screwdriver is the recommended tool for opening a hard drive.

A

False

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23
Q

Which is true about external enclosures? Choose three answers.

A

They are used to hold hard drives so they can be used as external drives
Most have SATA compatibility, and hold either a 2.5-inch or a 3.5-inch hard drive
They are good for a drive taken from an old laptop that still needs to be used in a new laptop

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24
Q

Which System Recovery tool is used in a Windows system to fix the Master Boot Record?

A

BOOTREC

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25
Q

Which command can be used to expand or shrink a volume?

A

DiskPart

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26
Q

A user is reporting disk error messages. Which tool can be used to find and fix these error messages?

A

CHKDSK

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27
Q

A customer brings in a laptop and claims that the display is not working. After trying to boot it is noticed that there is no image on the screen. Which most likely needs replacing?

A

backlight

28
Q

Which resolution is a possible indication a system was booted into VGA mode?

A

640 x 480

29
Q

A technician is working on a system that spontaneously reboots. If the problem can be traced to the video card, which is most likely the problem?

A

Video card is overheating

30
Q

Susan is working on a laptop that has a very dim display. She tries to adjust the brightness settings, but nothing happens. A dim image is a clear sign that the battery needs to be replaced.

A

False

31
Q

A technician is working on a computer for which its user is claiming the computer cannot connect to any network. Which tests can the technician run to rule out the NIC as the cause? Choose two answers.

A

IPCONFIG

PING 127.0.0.1

32
Q

A network technician has been called to a local business where users are complaining about slow transfer speeds. After a quick review he determines that the equipment is fairly new. Which are some of the things he can try to help improve the connection speed? Choose three answers.

A

Increase RF signal
Check for interference
Adjust routers to a higher speed

33
Q

A technician would like to determine if another device on the network is reachable. Which command should the technician use?

A

ping

34
Q

A technician needs to see the address of a default gateway. Which command should be used to accomplish this task?

A

IPCONFIG

35
Q

A network technician wants to access Google.com, but would like to know the exact path that the network uses. Which command would he use to get this information?

A

TRACERT

36
Q

Jason is working inside the command prompt, and would like information and statistics about the ports in use as well as TCP/IP connections. Which command will give him this information?

A

NETSTAT

37
Q

Which is a common use of the NBTSTAT command?

A

Display an IP address for a device

38
Q

Which NET commands would be used to map the Z: drive to the \tekkievets\tickets share?

A

use

39
Q

Which are purposes of the NETDOM command? Choose two answers.

A

Used to join a network to a domain

Used to join a computer to a domain

40
Q

Which is the main purpose of the NSLOOKUP command?

A

Look up DNS servers

41
Q

A hardware technician receives a mobile device from a customer who mentions that the screen is not working. Which could be affecting the display? Choose three answers.

A

Inverter
Backlight
Video driver

42
Q

A dim display is usually a manufacturer error that can be fixed by doing a hard reset.

A

false

43
Q

Shortly after booting a customer’s laptop, the display begins to flicker. This is a sign of which types of errors? Choose two answers.

A

Loose connection

CCFL or Inverter failure

44
Q

After working on a laptop for a while, Tim notices the battery seems low. After plugging it in, he notices that it does not begin to charge. Which is the first possible problem to check for?

A

Be sure the AC adapter is plugged in properly

45
Q

Wendi is working on a laptop that has no power. The only way to fix this problem is by replacing the DC jack.

A

false

46
Q

A user has been experiencing intermittent wireless connectivity on a laptop device. Which should a technician try in order to fix this? Choose two answers.

A

Reset the network adapter

Reset the wireless connection

47
Q

A new hire notices that her wireless Bluetooth keyboard has stopped working. It was working fine last night when she was using the PC. Which are steps for troubleshooting Bluetooth devices? Choose three answers.

A

Re-pair devices
Be sure Bluetooth is enabled on the device
Be sure the devices are within sufficient range

48
Q

Which are appropriate ways to service a sticky keyboard? Choose two answers.

A

Use compressed air

Wipe with isopropyl alcohol

49
Q

All mobile devices have a number lock indicator light.

A

false

50
Q

A customer is trying to use a 2-in-1 laptop/tablet device in tablet mode. Once it is in tablet mode, the touch screen is nonresponsive. Which are possible solutions to the problem? Choose three answers.

A

Restart the device
Wipe off the protective screen
Try removing it from the protective case

51
Q

A customer brings in a 16 GB iPad and explains that apps are taking a long time to load. Which options most likely explain this? Choose two answers.

A

The hard drive is getting full

Too many apps open at once

52
Q

Which is true concerning digital certificates? Choose two answers.

A

They are used to decrypt email

They can be stored on smart cards

53
Q

Which are other common performance issues associated with a mobile device? Choose six answers.

A 
No sound
Frozen system
Cracked screen
Swollen battery
Short battery life
GPS not functioning
Apps not functioning
54
Q

A new wireless connector needs to be installed in a laptop. This will involve disassembling the laptop. Which are best practices for disassembling a laptop? Choose two answers.

A

Keep loose parts organized

Document and label cable and screw locations

55
Q

Identify the common printer symptoms which may be seen while troubleshooting. Choose five answers.

A 
Paper jam
Faded prints
Creased paper
No connectivity
Read/Write errors
56
Q

A customer brings in a printer and says the paper is not feeding through the tray. Which should be checked?

A

Rollers

57
Q

Bill is attempting to print a document and receives a low memory error. Which are two ways to troubleshoot this error?

A

Adjust the dpi resolution

Add RAM to the printer

58
Q

A hardware technician is working on a printer that was brought in by a customer. After attempting to print several pages, it is noticed that the toner is not fused to the paper. Which is this a sign of?

A

The toner needs to be replaced

59
Q

Ghost images usually appear when a printer has not been used for an extended period of time.

A

false

60
Q

Which is the most likely cause of color prints with the wrong color?

A

Ink cartridges are in the wrong slots

61
Q

A technician is working on a printer that is printing blank pages. Which are reasons a printer might print blank pages? Choose three answers.

A

The printer may be out of toner
The printer may have a problem with the charging process
The toner may have been installed without removing the seal

62
Q

Vertical Lines when Printing

Vertical lines on a print page could be either a scratched drum or a sign that the toner has become clogged.

A

false

63
Q

An office printer will not print nor is there any indicator light on the printer’s display. Which is the most likely cause of this issue?

A

Printer is unplugged or turned off

64
Q

Which would occur if a user lacked the appropriate printer permissions?

A

inability to install printer

65
Q

Ben is working on an inkjet printer and decides that it should be cleaned. Which tools are recommended? Choose three answers.

A

Dry soft cloth
Toner vacuum
Compressed air

66
Q

Jacob has been trying to print a document but it will not print. Which should be attempted to avoid disrupting any other print jobs?

A

Restart the print spooler

Computer Essentials (12 decks)

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