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CompTIA A+ > CompTIA A+ > Flashcards

CompTIA A+ Flashcards

1
Q

1st Step in CompTIA trouble shooting theory?

A

Identify the problem

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2
Q

2nd step in CompTIA trouble shooting theory?

A

Establish a theory of probable cause

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3
Q

3rd step in CompTIA trouble shooting theory?

A

Test theory of probable cause

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4
Q

4th step in CompTIA trouble shooting theory?

A

Establish a plan of action and implement solution

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5
Q

5th step in CompTIA trouble shooting theory?

A

Verify full system functionality and if applicable implement preventive measures

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6
Q

6th step in CompTIA trouble shooting theory?

A

Document findings, actions, and outcomes

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7
Q

ESD?

A

Electro Static Discharge

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8
Q

System Unit?

A

The physical enclosure that houses the main components of a computer

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9
Q

Modern Processors are distinguished by what two features?

A

Clock speed and Cores

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10
Q

1cycle per second? 1 million cycles per second? 1Billion cycles per second

A

1 hertz, 1 Megahertz & 1 Gigahertz

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11
Q

APU?

A

Accelerated Processing Unit

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12
Q

Intel CPUs use what kind of connection?

A

Land Grid Arrays

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13
Q

AMD CPUs use what kind of connection?

A

Pin grid arrays

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14
Q

ISA?

A

Instruction Set Architecture

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15
Q

What is a Zero Insertion Socket?

A

A mounting bracket for the CPU

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16
Q

SDRAM?

A

Synchronous Dynamic Random Access Memory

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17
Q

DDRRAM?

A

Double Data Rate RAM

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18
Q

DDR2RAM

A

Double Data Rate 2 RAM

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19
Q

Always multiply the RAM speed rating by __ when getting PC speed rating?

A

8

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20
Q

Double sided RAM?

A

A RAM stick with RAM on both front and back of the stick

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21
Q

Channel?

A

The slots where the RAM sticks are inserted into

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22
Q

Dual Channel Memory?

A

Slots that require two RAM sticks of equal size to be installed for PC to function

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23
Q

ECC?

A

Error Correction Code

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24
Q

SODIMM?

A

Small Outline Dual Inline Memory Module

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25
Q

SPD?

A

Serial Presence Detect is a small chip on a RAM stick that allows computer to read what kind of RAM the PC has installed

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26
Q

Swapfile is equal to?

A

Virtual Memory

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27
Q

DDR4 RAM has how many pins?

A

288 pins

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28
Q

DDR3 RAM has how many pins?

A

240 pins

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29
Q

BIOS?

A

Basic Input Output Services

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30
Q

BIOS Programs are what?

A

Codes

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31
Q

Firmware?

A

Programs burned onto a chip

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32
Q

CMOS?

A

System Setup

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33
Q

POST?

A

Power On Self-Test

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34
Q

All POST cards use a __________ two digit read out?

A

hexadecimal

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35
Q

UEFI?

A

Unified Extensible Firmware Interface (upgraded BIOS)

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36
Q

System Setup?

A

Menu one can access before boot up

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37
Q

You can disable/able USB ports through _______ ______?

A

System Setup

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38
Q

PROM?

A

Programmable Read Only Memory

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39
Q

ROM?

A

Read Only Memory

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40
Q

RTC?

A

Real Time Clock

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41
Q

IF the RTC slows down then the battery needs to be?

A

Checked

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42
Q

Flashing?

A

Update firmware on the flash chip that is on the motherboard

43
Q

_______is the standard CMOS battery?

A

CR2032

44
Q

Standoffs?

A

Screws that separate motherboard from case to prevent damage

45
Q

Optical media is __in wide?

A

5.25

46
Q

HDDs are __ in across?

A

3.5

47
Q

SSDs are __in across?

A

2.5

48
Q

M.2 is the _______ form factor for SSD?

A

dominant

49
Q

ATA?

A

Advanced Technology Attachment (the language mass storage uses to communicate with computer)

50
Q

SATA?

A

Serial Advanced Technology Attachment

51
Q

RSATA?(what is it not what does it stand for)

A

SATA but for external devices

52
Q

NVME?

A

Nonvolatile Memory Express ( Faster than SATA)

53
Q

SCSI?

A

Small Computer System Interface (old no longer in use)

54
Q

SAS?

A

Serial Attached SCSI

55
Q

ICSI?

A

Internet SCSI

56
Q

Storage is organized into ___ ( Logical Blocks)?

A

LBA

57
Q

RAID?

A

Redundant Array of Inexpensive Disks

58
Q

RAID 0 (Striping)?

A

1st level of RAID that requires at least 2 drives

59
Q

RAID 1 ( Mirroring)?

A

Level 2 of RAID, need at least 2 drives

60
Q

RAID 5 (Striping with parody)?

A

Strongest of RAID, cannot lose more than 1 drive or you’ll lose all data however you need at least 3 drives to operate

61
Q

RAID 6?

A

Needs a minimum of 4 drives to operate, more popular than RAID 5 and can lose up to 2 drives before losing data

62
Q

JBOD?

A

Just a Bunch Of Disks

63
Q

EFS?

A

Encrypting File System

64
Q

TPM?

A

Trusted Platform Model (actual key to encrypted files)

65
Q

File based encryption encrypts____&_______?

A

Files and Folders

66
Q

Disk based encryption encrypts ______ ______?

A

entire drives

67
Q

HID?

A

Human Interface Device

68
Q

ADF?

A

Automatic Document Feed (printers & Scanners)

69
Q

Wireless keyboards operate on _____ _____ not Bluetooth?

A

RF technology

70
Q

PCI?

A

Peripheral Component Interconnect

71
Q

PCIe?

A

Peripheral Component Interconnect Express

72
Q

PCI Lanes called?

A

x1, x4, x8, and x16

73
Q

Panel response time runs from ____to____?

A

1ms to 4ms

74
Q

OLED?

A

Organic Led

75
Q

DLP?

A

Digital Light Processing

76
Q

MAC address?

A

Media Access Control. 48bit address always manifested as 12 hexadecimal characters

77
Q

Every Network card gets a ___ address?

A

MAC

78
Q

First six characters of a MAC address is called?

A

OEM id

79
Q

Ethernet frames standardized as?

A

1500bytes

80
Q

IPconfig/all on windows to view ___ address?

A

MAC

81
Q

Hubs repeat all traffic on LANs to all____?

A

nodes

82
Q

Switches filter traffic based on ___ address?

A

MAC

83
Q

Switches are better than ___ ?

A

HUBs

84
Q

Hexadecimal?

A

Base 16 counting system to replace any 4 binary characters with a single character

85
Q

Any string of four 1s and 0s can be replaced with numbers 0-9 and letters A-F. This is called?

A

Hexadecimal

86
Q

Switches have a limit of how many connected computers?

A

1,024

87
Q

Logical Address?

A

I.P. address

88
Q

What kind of ratings and connectors does coaxial cables use?

A

RG ratings and F connectors

89
Q

UTP?

A

Unshielded Twisted Pair ( max distance 100 meters )

90
Q

RJ11?

A

cable used for telephones

91
Q

RJ45?

A

Ethernet connector (registered Jack 45 is a standardized connector used primarily for Ethernet networking)

92
Q

STP?

A

Shielded Twisted Pair ( type of Ethernet cabling that includes additional shielding to reduce electromagnetic interference (EMI) and crosstalk between the cable pairs )

93
Q

Multimode uses ____ in fiber optic cables

A

LEDs

94
Q

Single mode uses ______ in fiber optic cables

A

lasers

95
Q

CAT rating 5 performance?

A

100 Mbps

96
Q

CAT 5E?

A

1Gbps

97
Q

CAT 6?

A

1Gbps up to 100 meters & 10Gbps up to 55 meters

98
Q

CAT 6a?

A

10Gbps at 100 meter segments

99
Q

Plenum Ratings?

A

Ability to resist fire

100
Q

PVC ( non plenum ) rated cable?

A

Most basic Plenum rating

101
Q

Riser rated cables?

A

Designed for running cables through risers

102
Q

Direct burial cable?

A

Cables buried underground

103
Q

Most Networks use _______ pair cabling

A

twisted

CompTIA A+ (7 decks)

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