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comptia a+ 220-1101 > Hardware > Flashcards

Hardware Flashcards

1
Q

Which RAID array only offers mirroring?

A

RAID 1

Explanation:
RAID 1 only offers mirroring, without any striping or parity.

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2
Q

Which connector type is primarily used for ethernet?

A

RJ-45

Explanation:
RJ-45 is used in ethernet applications, and uses all eight wires inside the cable to send and receive data.

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3
Q

Which video connector type can run as a single link and dual link connection?

A

DVI

Explanation:
DVI supports both single and dual link connections, with 3.7 and 7.4 gbps throughput, respectively.

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4
Q

The ____ does a basic check of your hardware, verifying CPU and memory requirements are met before loading the operating system.

A

Power On Self Test (POST)

Explanation:
POST is initialized by the BIOS upon system startup, where it verifies all components are in order to proceed with booting the operating system.

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5
Q

This technology can identify errors in memory, and then correct them as it operates.

A

ECC

Explanation:
Error Correcting Code memory is an expensive type of memory, typically reserved for high-end systems.

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6
Q

What modern BIOS can boot from removable media and support GPT disks?

A

UEFI BIOS

Explanation:
The modern BIOS provides a host of new capabilities, which include a pre-boot environment and remote connectivity.

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7
Q

The total capacity of the power supply is called the _____.

A

wattage rating

Explanation:
The wattage rating is the total measure of the power supply capacity of a device.

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8
Q

What is the standard that broadcasts and receives signals on 2.4GHz and 5GHz frequencies?

A

802.11

Explanation:
The IEEE defined the 802.11 standard for wireless communication with the 2.4GHz and 5GHz frequency bands.

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9
Q

What form of contactless communication is used for tap pay devices?

A

NFC

Explanation:
Near field communication (NFC) is used for contactless payments if the payment card or device is with a few centimeters of the tap pay device.

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10
Q

What is the maximum distance for Bluetooth communications?

A

10 meters (32.8 feet)

Explanation:
Bluetooth is used mostly for personal peripherals like headsets and wearables that would be close to the device.

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11
Q

DDR4 memory is faster than its DDR2 and DDR3 predecessors. Does it consume more or less power?

A

less

Explanation:
While it sounds counterintuitive, new memory technology provides higher speeds with less power consumption.

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12
Q

Which printer language is device dependent?

A

PCL

Explanation:
PCL is a newer printer language and is device dependent.

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13
Q

What type of cooling is most effective for the most powerful processors?

A

liquid cooling

Explanation:
Liquid cooling or water cooling is the most effective way to draw heat away from processors.

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14
Q

What is the fastest form of SSD?

A

NVME

Explanation:
Non-volatile memory express is a form of memory that uses the M.2 form factor. It is the fastest SSD available today.

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15
Q

What is the most commonly used type of connector for cable Internet service?

A

RG-6

Explanation:
RG-6 connectors are cylindrical connectors with a threaded end to make a secure connection. It is similar to the RG-59 connectors used for cable TV, but slightly larger.

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16
Q

Landscape mode and portrait mode are examples of what?

A

orientation

Explanation:
Orientation settings within a printer determine the layout of a print and can be either landscape (wider than tall) or portrait (taller than wide).

17
Q

Where can a record of all print jobs on a printer be located?

A

in the audit logs

Explanation:
Audit logs keep a record of all print activity, as well as print origination location.

18
Q

Which type of scanner is best suited to scan multiple pages quickly?

A

ADF scanner

Explanation:
An ADF scanner will scan multiple pages quickly through the use of a feeder.

19
Q

What two substances can a 3-D printer use?

A

filament or resin

Explanation:
Depending on the type of 3-D printer, it can use either filament or resin to print.

20
Q

What is expressed in dots per inch?

A

resolution

Explanation:
Print resolution is expressed in dots per inch and is directly related to print quality.

comptia a+ 220-1101 (9 decks)

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