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A+ > Study Test questions > Flashcards

Study Test questions Flashcards

1
Q

What is the primary source of getting applications straight from Microsoft in Windows 10/11?

A

Microsoft Store

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2
Q

What are apps in the Microsoft Store that are designed primarily with touch screen interfaces in mind?

A

Touch first apps

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3
Q

What type of RAM is used in most modern systems?

A

SDRAM

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4
Q

How was DDR2 an improvement over DDR?

A

Faster and more power efficient

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5
Q

How was DDR3 an improvement over DDR2?

A

higher speeds, more efficient architecture and around 30 percent lower power consumption

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6
Q

How was DDR4 an improvement over DDR3?

A

higher density, lower voltages and faster data transfer rates

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7
Q

How was DDR5 an improvement over DDR4?

A

doubled bandwidth, decreased power consumption and quadrupled DIMM capacity

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8
Q

What are the common reasons for updating a computer’s BIOS?

A

supporting larger drive capacities, supporting faster RAM speeds, and security enhancements

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9
Q

programs stored on ROM chips are collectively known as what?

A

firmware

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10
Q

What is the most common form of ROM used for the last 20 years?

A

flash ROM

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11
Q

What does a black “!” mean for a device in device manager?

A

That a device is missing, that Windows does not recognize a device, or that there’s a device driver problem

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12
Q

What determines the type of processor the motherboard accepts, the type and capacity of RAM, and the sort of internal and external devices that the motherboard supports?

A

The chipset

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13
Q

What two chips original composed chipsets?

A

The northbridge and soutbridge

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14
Q

Between the northbridge and southbridge, which handled RAM?

A

Northbridge

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15
Q

Between the northbridge and southbridge, which handed expansion devices and mass storage drives?

A

Southbridge

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16
Q

In addition to the northbridge and southbridge, some manufacturers added a third chip. What is it?

A

The Super I/O Chip

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17
Q

Why are northbridges and southbridges not common today?

A

The CPU handles a lot of those functions itself now

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18
Q

What does every device in the computer including expansions slots connect to?

A

the external data bus and the address bus

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19
Q

What controls the speed at which expansion slot devices connected to the external data bus runs at?

A

The expansion crystal

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20
Q

What is the feature called when devices configure themselves when connected?

A

plug and play (PnP)

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21
Q

Did PCI use a parallel or serial connection?

A

Parallel

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22
Q

Did PCIe use a parallel or serial connection?

A

Serial

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23
Q

Why is the PCIe serial connection better than PCI’s parallel connection?

A
  • PCIe has a direct connection with the CPU that it doesn’t share with other devices
  • When using high speeds, serial is easier to manage than parallel
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24
Q

What does a black downward-pointing arrow mean for a device in device manager?

A

That the device is disabled

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25
Q

What are the two troubleshooting steps for a black “!” on a device in device manager?

A

-Double check the device’s connections
-Try reinstalling the driver with the Update Driver button

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26
Q

What are the 4 troubleshooting step for a black downward-pointing arrow in the device manager?

A

-Check that the device isn’t disabled
-Try rolling back the driver
-Re-do the entire driver installation
-If none of the above work, the device is probably bad

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27
Q

What do computers use the 12-V current for?

A

To power motors on devices such as hard drives and optical drives

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28
Q

What do computers use 3.3-V and 5-V current for?

A

To support onboard electronics

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29
Q

How many pins does a SATA power connector have?

A

15

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30
Q

What power is provided through a molex power connection?

A

5-V and 12-V

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31
Q

What power is provided through a SATA power connection?

A

3.3-V, 5-V and 12-V

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32
Q

How many rails does a standard PC power supply provide?

A
  1. One for 3.3V, 5V and 12V each
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33
Q

What is the solution if a power computer used more than the max amps on the 12V rail?

A

Provide multiple 12V rails

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34
Q

What shuts down a system when system components over-amp a rail?

A

over-current protection (OCP)

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35
Q

What is the primary advantage of SATA over PATA?

A

It creates a direct connection between the SATA device and the host bus adapter (HBA)

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36
Q

How many data connector pins does a SATA cable have?

A

7

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37
Q

How many data connector pins does a PATA cable have?

A

40

38
Q

How long can a SATA cable be?

A

1 meter

39
Q

What are the standard SSD form factors?

A

2.5, mSATA and M.2

40
Q

What are the two drive command sets?

A

AHCI and NVMe

41
Q

Which SATA mode was designed with spinning hard drives in mind?

A

AHCI

42
Q

What is the biggest problem running SSDs on AHCI?

A

The SSD has to replicate a spinning drive

43
Q

Which specification supports a communication connection between the operating system and the SSD directly through a PCIe bus lane?

A

NVMe

44
Q

What are the three different partitioning methods Windows supports?

A
  • Master Boot Record (MBR)
  • Window’s dynamic disks
  • GUID partition table
45
Q

What does Microsoft call a drive that uses either MBR or GPT partitioning scheme?

A

a basic disk

46
Q

What does Microsoft call a drive that uses the dynamic storage partitioning scheme?

A

a dynamic disk

47
Q

In dynamic disks, what does Microsoft call a partition?

A

a volume

48
Q

In dynamic disks, what type of volume functions essentially like a primary partition?

A

Simple volume

49
Q

In dynamic disks, what uses space on multiple drives to create a single volume?

A

Spanned volume

50
Q

In dynamic disks, what is the equivalent of RAID 0?

A

Striped volumes

51
Q

In dynamic disks, what is the equivalent of RAID 1 volumes?

A

Mirrored volumes

52
Q

In dynamic disks, what kind of volume requires 3 or more dynamic disks with equal sized unallocated spaces?

A

RAID 5 volumes

53
Q

In Windows, what is a collection of physical drives that enables you to flexibly add and expand capacity?

A

A storage pool

54
Q

In Windows, what are virtual drives that are created from storage pool free space?

A

Storage Spaces

55
Q

What are the two things that Storage Spaces has?

A

resiliency and fixed provisioning

56
Q

What are the three different types of storage spaces?

A
  • Simple spaces
  • Mirror spaces
  • Parity spaces
57
Q

Which storage space is just pooled storage. It provides no resiliency?

A

Simple spaces

58
Q

Which storage space keeps more than one copy of data, providing excellent redundancy and resiliency?

A

Mirror spaces

59
Q

How many drives are required for a three-way mirror space?

A

five or more

60
Q

Which storage spaces acts similar to RAID 5 or RAID 6?

A

Parity spaces

61
Q

What is the primary advantage and disadvantage to parity spaces?

A
  • more space efficient than mirror spaces
  • has performance overhead
62
Q

What two things does each row of the file allocation table contain?

A
  • the cluster index
  • status of the cluster
63
Q

What are the four different entries in a file allocation table?

A
  • end-of-file marker
  • bad-block marker
  • code indicating the cluster is available
  • the number of the cluster where the next part of the file is stored
64
Q

What is the rewritable version of Blue Ray?

A

BD-RE

65
Q

Where can you find the Audit Success and Audit Failure options in Event Viewer?

A

in the Keywords column

66
Q

In Event Viewer, what does audit success and audit failure indicate?

A

Successful or failed security actions

67
Q

What view does the Task Manager open in?

A

simplified mode (fewer details)

68
Q

What is the easiest way to open Task Manager?

A

CTRL-SHIFT-ESC

69
Q

What is the purpose of the Resource Monitor?

A

When you need more detail and control than Task Manager

70
Q

How does Resource Monitor organizes processes?

A

by PID

71
Q

Which Windows group cannot edit the Registry or access critical system files. They can create groups, but can manage only those they create?

A

Standard Account (Users)

72
Q

Which Windows Control Panel applet focuses on backing up your personal files and folders and includes the ability to restore previous versions of individual files?

A

File History

73
Q

Which command in Windows displays the contents of a directory and lets you pause?

A

dir /p

74
Q

How do you get help for a command in Windows?

A

Add /? at the end of it

75
Q

How do you remove a folder and all of its contents in Linux?

A

rm -r

76
Q

how do you remove a folder and all of its content in Windows?

A

rd /s

77
Q

Which make directory and remove directory commands only work in windows?

A

md and rd

78
Q

Which command in Linux will give you detailed information on a file?

A

file

79
Q

Which command is the advanced pager in comparison to more that can navigate both forward and backwards in the file along with some more powerful options

A

less

80
Q

What is the switch in xcopy that allows you to copy all subdirectories?

A

/s

81
Q

what is the switch in robocopy that tells it to copy everything from the source and make the destination mirror it?

A

/mir (mirror)

82
Q

what is the syntax of robocopy?

A

robocopy [source] [destination] [options]

83
Q

what are the two switches on the chkdsk command and what is their purpose?

A

/f - attempts to fix file system-related errors
/r - attempts to locate and repair bad sectors

84
Q

Which terminal command provides detailed and customizable information about the processes running on your system at the moment you run the command?

A

ps

85
Q

Which terminal command is an interactive, continuously updating monitor of what’s running and by default focuses on resource hungry processes?

A

top

86
Q

How do you use ps to show all processes?

A

ps aux

87
Q

What does the warning “Not Enough USB Controller Resources” mean and how do you solve it?

A

USB controllers have a limited number of endpoints. USB devices can use more than one endpoint. Move USB devices onto a different controller.

88
Q

What kind of memory would you find in high-end graphics cards?

A

Graphics DDR (GDDR) and High Bandwidth Memory (HBM)

89
Q

What kind of memory would you find in low-end graphics cards?

A

DDR

90
Q

What do network people call anything that one computer might share with another?

A

A resource

91
Q

How long are MAC addresses?

A

48 bits

A+ (10 decks)

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