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comptia a+ > Hardware > Flashcards

Hardware Flashcards

1
Q

What performs a hash calculation on the data value for each transfer and stores it as an 8-bit checksum

A

ECC

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2
Q

This form factor doubles the memory output for a desktop module

A

DIMM Dual Inline Memory Module

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3
Q

For windows, this us the extended memory space of a disk

A

Pagefile

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4
Q

The form factor that is normally aligned with a labtop for RAM memory

A

SODIMM Small outliine dual inline memory module

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5
Q

When an ECC supplies to a memory module it is this specific device

A

RDIMM Regitered Dual inline Module Memory

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6
Q

Spillover area if there is insufficient RAM space

A

Swap space

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7
Q

Max size of 8 GB, transfer rate of 6.4 to 17.066 GB per second

A

DDR3

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8
Q

Max size of 32 GB, transfer rate of 12.8 to 25.6 GB per second

A

DDR4

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9
Q

Max size of 128 GB, transfer rate of 38.4 to 51.2 GB per second

A

DDR5

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10
Q

Terminates cabling and does not establish any connections between the cable segments to any networks or internet to provide connectivity

A

Patch panel

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11
Q

Logical security control that manages network communications by allowing traffic that a sysadmin or an authorized individual only permits

A

Firewall

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12
Q

Hardware networking appliance acting as a concentrator or connector for cable segments to a modem, patch panel, or router port

A

Switch

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13
Q

Where is the physical connection to the cable made in the computer using a transceiver port?

A

Network Interface Card (NIC)

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14
Q

Power over Ethernet (PoE) 802.3bt installations run distribution system cables to wireless access points with which cable?

A

Cat 6A

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15
Q

Reduces clutter, to improve airflow and allow for better cooling necessary for high performance graphics cards?

A

Modular PSU (Power Supply Unit)

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16
Q

Initially PCI connectors were 5V, the dual voltage cards that have become more prevalent are this voltage?

A

3.3V

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17
Q

Power adapters for computers come in?

A

110-120V and 220-240V

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18
Q

Yellow wires are for this voltage?

A

12V

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19
Q

Orange wires are for this voltage?

A

3.3V

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20
Q

Red wires are for this voltage?

A

5V

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21
Q

What color is the ground wires?

A

Black

22
Q

For a modern computer, the output rating of rail (or rails) is the most important factor and the most heavily used in terms of voltage?

A

12V

23
Q

This may indicate a problem with the power supply, the motherboard problem, or a faulty onboard speaker

A

No beeps

24
Q

Repeating short beeps would indicate?

A

Power supply fault or a motherboard problem

25
Q

Would indicate a keyboard issue?

A

Three long beeps

26
Q

Would indicate a video adapter error?

A

One long, three short beeps

27
Q

A problem with a memory controller is expressed by this range of sound?

A

Continuious beeps

28
Q

Some most likely causes are software, disk/file corruption problems, or malware issues of this?

A

Application crashes

29
Q

This printer uses a stepper motor, pulley, and belt (to move the print head) along with a guide shaft (to keep the print head stable) and sensors (to detect the position of the print head)

A

Inkjet Printer

30
Q

Which of the following components will the administrator need to calibrate for every print job manually?

A

Print bed

31
Q

This mechanical portion of a image drum applies a uniform -600V electrical charge across the drum’s surface.

A

Primary charge roller

32
Q

This enables programmers and application administrators to ensure that the application used by clients is always updated with the latest code

A

Application Virtualization

33
Q

This is a lab and testing environment that enables a means to test software and applications under different resource constraints and operating systems.

A

Cross-platform Virtualization

34
Q

Typically based on a guest operating system hypervisor, is designed to run on regular desktops and workstations while supporting legacy software and operating systems

A

Client Side Virtualization

35
Q

What issue is occurring when there is no light-emitting diode (LED) lit on a hard drive disk (HDD)

A

Faulty disk

36
Q

Will provide clues on whether the disk initiated and formatted properly for Windows to use it.

A

Windows disk management

37
Q

Which of the following signs would indicate an overworked hard drive disk (HDD) due to insufficient system random access memory (RAM)?

A

Constant LED activity

38
Q

Which redundant array of independent disks (RAID) volume type will immediately fail if one hard disk drive (HDD) fails?

A

RAID 0

39
Q

The DNS uses root servers at the hierarchy top, represented by a trailing dot at the end of this

A

FQDN Fully Qualified Domain Name

40
Q

This software can convert scanned text into digital documents, ready for editing

A

Optical Character Recognition (OCR)

41
Q

This is a device-independent page description language (PDL) often used for professional desktop publishing and graphical design output

A

Adobe Postscript (PS)

42
Q

This indicates that the primary charge roller is dirty or damaged or that the high voltage power supply to the developer unit is malfunctioning

A

Black stripes

43
Q

Virtual Desktop Infastructure VDI in the cloud is also known as

A

Desktop as a Service DaaS

44
Q

Is a means of provisioning IT resources, such as servers, load balancers, and storage area network (SAN) components, quickly

A

Infastructure as a Service IaaS

45
Q

Deploys servers and storage network infrastructure

A

Platform as a Service Paas

46
Q

One advantages of cloud storage is automated sharing between different device which is known as

A

File Synchronization

47
Q

Is a model of provisioning software application

A

Software as a Service SaaS

48
Q

Means that the service experiences very little downtime. For example, a service with “Five Nines” or 99.999% availability experiences only 5 minutes and 15 seconds annual downtime

A

High Availability

49
Q

Where several organizations share the costs of either a hosted private or fully private cloud.

A

Community Cloud

50
Q

Refers to the system’s ability to handle changes to demand in real-time. A system with high elasticity will not experience loss of service or performance if demand suddenly doubles.

A

Rapid Elasticity

51
Q

Provides resources between SaaS and IaaS.

A

Platform as a Service PaaS

comptia a+ (11 decks)

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