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Comptia A+ 1001 & 1002 All Chapter Review Questions > All Chapters > Flashcards

All Chapters Flashcards

1
Q

Which of the following would be most appropriate for the workplace?(Select two.)

A

A, C. Khaki trousers and a polo shirt trump jeans and a T-shirt everytime.

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2
Q

While manning the help desk, you get a call from a distraught userwho says she has a blank screen. What would be a useful follow-upquestion? (Select two.)

A

A, B. Go for the simple answer first. When faced with a blank screen,check to see if the computer and the monitor are turned on.

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3
Q

At the very least, what tool should be in every technician’s toolkit?

A

D. Every tech’s toolkit should have a Phillips-head screwdriver, at thevery least.

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4
Q

When is it appropriate to yell at a user?

A

D. Don’t get angry or yell at clients

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5
Q

When troubleshooting a software problem on Phoebe’s computer andlistening to her describe the problem, you get a text from your boss.Which of the following is the most appropriate action for you to take?

A

D. Focus on the customer and don’t use her things

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6
Q

You are at a customer’s workstation to install several software andhardware updates, a process that will take a while and require severalreboots of the computer. What should you do about the password tothe user’s account?

A

C. In this circumstance, asking for a temporary password is the rightanswer. Make sure the user changes her password back before youleave the site

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7
Q

Which of the following is a good practice after completing atroubleshooting call at someone’s office?

A

A. A simple follow-up builds goodwill and trust. This is a veryimportant step to take after completing a job.

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8
Q

Which tool helps you avoid accidental static discharge by keepingyou at the same electrical potential as the computer on which you’reworking?

A

C. An antistatic wrist strap keeps you at the same electrical potentialas the computer.

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9
Q

Once you have ascertained the computer’s problem and backed up thecritical data, what should you do?

A

A. You should establish a theory of probable cause once you haveascertained the problem and backed up data

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10
Q

What should you do after successfully repairing a machine?

A

C. At the end of a repair you should always document your findings.

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11
Q

Which version of Windows introduced the Metro UI?

A

B. Microsoft introduced Metro UI with Windows 8.

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12
Q

Which Windows 8 feature did Microsoft not include in Windows 10?

A

D. Microsoft did not include the Charms bar in Windows 10. Bye!

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13
Q

What macOS feature is essentially multiple Desktops?

A

D.Spaces is the term Apple uses for multiple Desktops in macOS

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14
Q

What KDE feature is essentially the Start button?

A

B. Kickoff functions like a Start button for KDE desktops.

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15
Q

The user Mike has downloaded files with his Web browser. Wherewill they be stored by default?

A

C. The default download location in Windows is C:\Users\Downloads.

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16
Q

32-bit programs are installed into which folder by default in a 64-bitedition of Windows?

A

D. By default, 32-bit applications install into the C:\Program Files(x86) folder.

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17
Q

Which macOS feature is functionally equivalent to Windows FileExplorer?

A

A. Finder is the equivalent of File Explorer.

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18
Q

Which of the following paths would open Administrative Tools inWindows 8.1?

A

B. To open Administrative Tools, right-click the Start button andselect Administrative Tools. Easy!

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19
Q

What feature of macOS is the equivalent of the command-lineinterface in Windows?

A

C. Terminal is the equivalent of the Windows command-lineinterface.

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20
Q

What Windows app in Windows 10 combines many utilities into aunified tool?

A

A. The Settings app in Windows 10 offers many utilities in a unifiedinterface

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21
Q

What do registers provide for the CPU?

A

B. The CPU uses registers for temporary storage of internalcommands and data.

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22
Q

What function does the external data bus have in the PC?

A

C. The external data bus provides a channel for the flow of data andcommands between the CPU and RAM.

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23
Q

What is the function of the address bus in the PC?

A

A. The address bus enables the CPU to communicate with thememory controller chip.

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24
Q

Which of the following terms are measures of CPU speed?

A

A. The terms megahertz (MHz) and gigahertz (GHz) describe howmany million or billion (respectively) cycles per second a CPU canrun.

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25
Q

Which CPU feature enables the microprocessor to support runningmultiple operating systems at the same time?

A

D. Intel and AMD CPUs come with virtualization support, enablingmore efficient implementation of virtual machines.

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26
Q

Into which socket could you place an Intel Core i5?

A

B. You’ll find Core i5 processors in several socket types, notablyLGA 1150 and LGA 1151.

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27
Q

Which feature enables a single-core CPU to function like two CPUs?

A

A. Intel loves its Hyper-Threading, where a single-core CPU canfunction like a dual-core CPU as long as it has operating systemsupport.

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28
Q

What steps do you need to take to install a Core i3 CPU into an FM2+motherboard?

A

D. Intel and AMD processors are not compatible at all.

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29
Q

A client calls to complain that his computer starts up, but crasheswhen Windows starts to load. After a brief set of questions, you findout that his nephew upgraded his RAM for him over the weekend andcouldn’t get the computer to work right afterward. What could be theproblem?

A

B. Most likely, the nephew disconnected the CPU fan to get at theRAM slots and simply forgot to plug it back in.

30
Q

Darren has installed a new CPU in a client’s computer, but nothinghappens when he pushes the power button on the case. The LED onthe motherboard is lit up, so he knows the system has power. Whatcould the problem be?

A

B. The best answer here is that he forgot the thermal paste, thoughyou can also make an argument for a disconnected fan.

31
Q

Steve adds a second 8-GB 288-pin DIMM to his PC, which shouldbring the total RAM in the system up to 16 GB. The PC has an IntelCore i7 4-GHz processor and four 288-pin DIMM slots on themotherboard. When he turns on the PC, however, only 8 GB of RAMshows up in Windows Settings app. Which of the following is mostlikely to be the problem?

A

A. Steve failed to seat the RAM properly.

32
Q

Scott wants to add 8 GB of PC3-12800 DDR3 to an aging but stilluseful desktop system. The system has a 200-MHz motherboard andcurrently has 4 GB of non-ECC DDR3 RAM in the system. What elsedoes he need to know before installing?

A

D. Scott needs to know if the system can handle that much RAM

33
Q

What is the primary reason that DDR4 RAM is faster than DDR3RAM?

A

B. The input/output speed of DDR4 RAM is faster than that of DDR3RAM (although the latency is higher).

34
Q

What is the term for the delay in the RAM’s response to a requestfrom the MCC?

A

C. Latency is the term for the delay in the RAM’s response to arequest from the MCC.

35
Q

How does an NMI manifest on a Windows system?

A

A. A non-maskable interrupt on a Windows system often results inthe Blue Screen of Death

36
Q

Silas has an AMD-based motherboard with two sticks of DDR3 RAMinstalled in two of the three RAM slots, for a total of 8 GB of systemmemory. When he runs CPU-Z to test the system, he notices that thesoftware claims he’s running single-channel memory. What could bethe problem? (Select the best answer.

A

D. Motherboards can be tricky and require you to install RAM in theproper slots to enable dual-channel memory access. In this case, Silasshould move one of the installed sticks to a different slot to activatedual-channel memory. (And he should check the motherboard manual
for the proper slots

37
Q

Which of the following Control Panel applets will display the amountof RAM in your PC?

A

A. You can use the System applet to see how much RAM is currentlyin your PC.

38
Q

What is the best way to determine the total capacity and specific typeof RAM your system can handle

A

A. The best way to determine the total capacity and specific type ofRAM your system can handle is to check the motherboard book.

39
Q

Gregor installed a third stick of known good RAM into his Core i7system, bringing the total amount of RAM up to 12 GB. Within a few
days, though, he started having random lockups and reboots,especially when doing memory-intensive tasks such as gaming. Whatis most likely the problem?

A

C. Most likely, Gregor installed RAM that didn’t match the speed orquality of the RAM in the system.

40
Q

Cindy installs a second stick of DDR4 RAM into her Core i5 system,bringing the total system memory up to 16 GB. Within a short periodof time, though, she begins experiencing Blue Screens of Death. Whatcould the problem be?

A

A. If you have no problems with a system and then experienceproblems after installing something new, chances are the somethingnew is at fault.

41
Q

Which of the following statements about the expansion bus is true?

A

A separate expansion bus crystal enables the expansion bus to runat a different speed than the frontside bus

42
Q

What does a black down arrow next to a device in Device Managerindicate?

A

The device has been disabled.

43
Q

Which variation of the PCI bus was specifically designed for laptops

A

The Mini-PCI format conserved space and power, which made itan ideal card type for use in laptops

44
Q

Which of the following form factors dominates the PC industry?

A

Almost all modern motherboards follow the ATX form factor

45
Q

Amanda bought a new system that, right in the middle of an importantpresentation, gave her a Blue Screen of Death. Now her system won’tboot at all, not even to CMOS. After extensive troubleshooting, shedetermined that the motherboard was at fault and replaced it. Now thesystem runs fine. What was the most likely cause of the problem

A

Although all of the answers are plausible, the best answer here isthat her system suffered burn-in failure.

46
Q

Martin bought a new motherboard to replace his older ATXmotherboard. As he left the shop, the tech on duty called after him,“Check your standoffs!” What could the tech have meant?

A

Standoffs are the metal connectors that attach the motherboard tothe case

47
Q

Solon has a very buggy computer that keeps locking up at oddmoments and rebooting spontaneously. He suspects the motherboard.How should he test it

A

Solon needs to check settings, verify good components, replacecomponents, and document all testing.

48
Q

When Jane proudly displayed her new motherboard, the senior techscratched his beard and asked, “What kind of northbridge does ithave?” What could he possibly be asking about?

A

The tech is using older terminology to refer to the chips—thechipset—that help the CPU communicate with devices.

49
Q

What companies dominate the chipset market? (Select two

A

AMD and Intel produce the vast majority of the chipsets used inpersonal computers.

50
Q

If Windows recognizes a device, where will it appear?

A

Windows displays recognized devices in Device Manager

51
Q

What is the proper voltage for a U.S. electrical outlet?

A

U.S. outlets run at 120 V

52
Q

What voltages does an ATX12V P1 connector provide for themotherboard?

A

An ATX12V power supply P1 connector provides 3.3, 5, and 12volts to the motherboard

53
Q

What sort of power connector do better video cards require

A

Better video cards require one or two 6- or 8-pin PCIe connectors.

54
Q

Joachim ordered a new power supply but was surprised when itarrived because it had an extra 4-wire connector. What is thatconnector?

A

The P4 connector goes into the motherboard to support morepower-hungry chips

55
Q

What should you keep in mind when testing DC connectors?

A

DC has polarity. The red lead should always touch the hot wire;the black lead should touch a ground wire

56
Q

What voltages should the two hot wires on a Molex connector read

A

A Molex connector’s red wires should be at 5 volts; the yellowwire should be at 12 volts

57
Q

Why is it a good idea to ensure that the slot covers on your computercase are all covered?

A

Both A and B are correct reasons. Keeping the slots covered helpskeep a good airflow in your case and keeps the dust and smoke awayfrom all those sensitive internal components

58
Q

A PC’s power supply provides DC power in what standardconfiguration

A

The standard PC power supply configuration has three primaryvoltage rails, one each for 12-volt, 5-volt, and 3.3-volt connectors

59
Q

What feature of ATX systems prevents a user from turning off asystem before the operating system has been shut down?

A

The soft power feature of ATX systems prevents a user fromturning off a system before the operating system has been shut down

60
Q

How many pins does a SATA power connector have?

A

SATA power connectors have 15 pins

61
Q

Which of the following is a common spindle speed for an HDD

A

Common spindle speeds on magnetic hard drives are 5400, 7200,10,000, and 15,000 RPM

62
Q

Which form factor connects directly to a dedicated motherboardsocket

A

The M.2 (and mSATA) SSD has a dedicated motherboard socket.

63
Q

How many PATA hard drives can you have on a system with twoPATA hard drive controllers

A

Each controller supports two drives

64
Q

How do you differentiate two PATA drives on the same cable?

A

PATA drives use master/slave jumpers to differentiate between thetwo drives

65
Q

What happens if you cable a PATA hard drive incorrectly?

A

Nothing will be damaged or lost—there just won’t be anycommunication.

66
Q

What is the maximum cable length of an internal SATA device?

A

The maximum cable length of an internal SATA device is 1 meter

67
Q

What is the maximum number of SATA drives you can have on asystem?

A

There is no maximum number of SATA drives you can have on asystem beyond the limits imposed by the number of ports on yourmotherboard/host card.

68
Q

Which SATA version offers the least overhead (and thus bestperformance)?

A

SATA Express (SATAe) uses the PCIe bus and has none of thetraditional SATA overhead.

69
Q

Which standard supports magnetic SATA drives most efficiently?

A

The AHCI standard supports magnetic SATA drives efficiently

70
Q

Which RAID standard requires at least four drives?

A

Which RAID standard requires at least four drives?

Comptia A+ 1001 & 1002 All Chapter Review Questions (1 decks)

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