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compTIA 1001 > compTIA 1001 > Flashcards

compTIA 1001 Flashcards

1
Q

What is multiplexing

A

Uses many different applications

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2
Q

What is TCP

A

Transmission Control Protocol

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3
Q

What is UDP

A

User Datagram Protocol

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4
Q

What is the IPV4 Socket order

A

Server IP address —-Protocol — Server Application Port Number

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5
Q

Non-Ephemeral Ports

A
  • Ports 0 through 1,023

- Usually on a server or service

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6
Q

What is SSH

A
  • Secure Shell
  • Data encrypted
  • Looks and acts the same way as Telnet
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7
Q

What is Telnet

A
  • Telecommunication Network
  • tcp/23
  • login to devices remotely
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8
Q

What is SMTP

A

Simple Mail Transfer Protocol

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9
Q

What does SMTP do

A
  • server to server email transfer

- tcp/25

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10
Q

What is DNS

A

Domain Name System

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11
Q

What does DNS do

A
  • converts URLs into IP addresses
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12
Q

HTTPS & HTP

A
  • Hypertext Transfer Protocol

- Supported by nearly all web servers and clients

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13
Q

What is IMAP4

A

Internet Message Access Protocol

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14
Q

What is POP3

A

Used for downloading mail to local mail client

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15
Q

100BaseT

A

Ethernet cabling system designed to run at 100mbps on twisted-pair cabling

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16
Q

1000BaseT

A

Ethernet cabling system designed to run at 1000 twisted pair cabling

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17
Q

10-Gigabit Ethernet

A

Ethernet standard that supports speeds of up to 10 gbps and is common on server-to-server connections

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18
Q

110 Block

A

The most common connection used with structured cabling, connecting horizontal cable runs with patch panels

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19
Q

1.5 Gbps

A

SATA drive variety with a maximum throughput of 150 Mbps

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20
Q

2.1 speaker system

A

Speaker setup consisting of two stereo speakers combined with a subwoofer

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21
Q

3 Gbps

A

SATA drive variety with a maximum throughput of 300 Mbps

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22
Q

2-in-1

A

Portable devices that attempt to serve as both a laptop and a tablet

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23
Q

3-D graphics

A

The video technology that attempts to create images with the same depth and textures as objects seen in the real world

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24
Q

3G

A

Third-generation cellular data technologies

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25
Q

4G

A

Forth-generation of cellular data technologies

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26
Q

5.1 speaker sound

A

Speaker setup consisting of four satellite speakers plus a center speaker and subwoofer

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27
Q

5G

A

The fifth-generation of cellular data technologies

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28
Q

6 Gbps

A

SATA drive variety with a maximum throughput of 600 MBps

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29
Q

64-bit processing

A

Type of processing that can run a compatible 64-bit operating system, such as Windows 7,8,10

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30
Q

7.1 speaker system

A

speaker setup consisting of 6 satellite speakers

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31
Q

802.11a

A

Wireless networking standard that operates in the 5-GHz band with a theoretical maximum throughput of 54 Mbps

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32
Q

802.11ac

A

Wireless networking standard that operates in the 5-GHz band and uses multiple out and multi-user MIMO to achieve a theoretical maximum throughput of 1+ Gbps

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33
Q

802.11b

A

Wireless networking standard that operates in the 2.4 GHz band with a theoretical maximum throughput of 11 Mbps

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34
Q

802.11g

A

Wireless networking standard that can operate in the 2.4-GHz band with a theoretical maximum throughput of 54MBps and is backward compatible with 802.11b

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35
Q

802.11n

A

Wireless networking standard that can operate in both the 2.4-GHz and 5-GHz band and uses multiple in/out (MIMO) to achieve a theoretical throughput of 100+ MBps

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36
Q

AC (alternating current)

A

Type of electricity in which the flow of electrons alternates direction, back and forth, in a circuit

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37
Q

accelerated processing unit (APU)

A

AMD product that consolidates the GPU and CPU into a single chip

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38
Q

Accelerometer

A

Feature in smartphones and tablets that rotate the screen when the device is physically rotated

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39
Q

Access Control

A

Security concept using physical security, authentication, users and groups, and security policies

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40
Q

Access Control List (ACL)

A

A clearly defined list of permissions that specifies what actions an authenticated user may perform on a shared resource

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41
Q

ACPI (Advanced Configuration and Power Interface)

A

Power management specification that far surpasses its predecessor, APM, by providing support for hot-swappable devices and better control power modes

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42
Q

Action Center

A

A one-page aggregation of event messages, warning, and maintenance message in Windows 7

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43
Q

Active Matrix

A

Type of liquid crystal display (LCD) that replaced the passive matrix technology used in most portable computer displays

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44
Q

Active Partition

A

One a hard drive, a primary partition that contains an operating system

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45
Q

Active PFC ( power factor correction)

A

Circuitry built into PC power supplies to reduce harmonics

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46
Q

ad hoc mode

A

Decentralized wireless network mode, otherwise known as peer-to-peer mode, where each wireless node is in meshed contact with every other node

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47
Q

address bus

A

Set of wires leading from the CPU to the memory controller chip that enables the CPU to access RAM. Also used by the CPU for I/O addressing. On current CPUs with built-in memory controllers, the address bus refers to the internal electronic channel from the microprocessor to RAM

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48
Q

address space

A

The total amount of memory addresses that an address bus can contain

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49
Q

administrative shares

A

Administrator tool to give local admins access to hard drives and system root folders

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50
Q

administrative tools

A

group of Control Panel applets, including Computer Management, Event Viewer, Performance Monitor, and Task Scheduler

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51
Q

administrative account

A

User account, created when the OS is first installed, that is allowed complete, unfettered access to the system without restriction

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52
Q

administrative password

A

Credentials for the system administrator account

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53
Q

ADSL (asymmetric digital subscriber line)

A

Fully digital, dedicated connection to the telephone system that provides average download speeds of 3-15 Mbps and upload speeds of 384 Kbps to 15 Mbps. Asymmetric identifies that upload and download speeds are different, with download usually being significantly faster than upload

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54
Q

Advanced Encryption Standard (AES)

A

A block cipher created in the late 1990s that uses a 128-bit block size and a 128-, 192-, or 256-bit key size. Practically uncrackable

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55
Q

Advanced Host Controller Interface (AHCI)

A

An efficient way for motherboards to work with SATA host bus adaptors. Using AHCI unlocks some of the advanced features of SATA, such as hot-swapping and native command queuing

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56
Q

Advanced Startup Options Menu

A

Windows 7 menu that can be reached during the boot process that offers advanced OS startup options

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57
Q

Adware

A

Type of malicious program that downloads ads to a users computer, generating undesirable network traffic

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58
Q

Aero

A

Windows 7 desktop environment. Often used as a shorthand for one of the more obvious aesthetic effects: a window transparency feature called Aero Glass

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59
Q

AGP (Accelerated Graphics Port)

A

A 32/64 bit expansion slot designed by Intel specifically for a video that ran at 66 MHz and yielded a throughput of at least 254 MBps

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60
Q

air filter mask

A

A mask designed to keep users from inhaling particulate matter, as when cutting drywall

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61
Q

algorithm

A

Set of rules for solving a problem in a given number of steps

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62
Q

ALU (arithmetic logic unit)

A

CPU logic circuits that perform basic arithmetic

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63
Q

AMD (Advanced Micro Devices)

A

CPU and chipset manufacturer that competes with Intel

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64
Q

amperes (amps or A)

A

Unit of measure for amperage, or electrical current

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65
Q

analog

A

A device that uses a physical quantity, such as length or voltage, to represent the values of a number.

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66
Q

AnandTech

A

Computer hardware, technology, and internet news and info site

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67
Q

Android application package (APK)

A

Installation software for Android apps

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68
Q

ANSI/TIA

A

The Telecommunication Industry Association

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69
Q

anti-aliasing

A

In computer imaging, blending effect that smooths sharp contrasts between two regions

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70
Q

API (application programming interface)

A

A library of related commands available for programmers to use

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71
Q

APIPA (Automatic Private IP Addressing)

A

Features of Windows that automatically assigns an IP address to the system when the client cannot obtain an IP address automatically

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72
Q

apt-get

A

Linux command for installing or updating a program using the advanced packaging tool

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73
Q

ARM

A

Energy-efficient processor design frequently used in mobile devices

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74
Q

ARP (Address Resolution Protocol)

A

Protocol in the TCP/IP suite used with the command-line utility of the same name to determine the (arp) to determine the MAC address that corresponds to a particular IP address

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75
Q

ASCII

A

Industry-standard 8-bit characters used to define text characters, consisting of 96 upper- and lowercase letters plus 32 nonprinting control characters, each of which is numbered

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76
Q

AT (Advanced Technology)

A

The model name of the second-generation, 80286-based IBM computer

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77
Q

ATA (AT Attachment)

A

A series of hard drive standards defining both the older parallel ATA and modern serial SATA drives

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78
Q

ATAPI (ATA Package Interface)

A

Series of standards that enables mass storage devices other than hard drives to use IDE/ATA controllers

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79
Q

ATX (Advanced Technology Extended)

A

The popular motherboard form factor that generally replaced the AT form factor

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80
Q

AUP (Acceptable Use Policy)

A

Defines what actions employees may or may not perform on company equipment, including computers, phones, printers, e-mail, and many other issues

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81
Q

authentication factor

A

The thing that can be used to identify an individual, such as something they know, something they have, or something they are

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82
Q

auto-detection

A

The process through which new disks are automatically recognized by the BIOS

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83
Q

autorun.inf

A

File included on some media. Lists which program or installation routine Autorun should run

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84
Q

backside bus

A

On older CPUs, a set of wires that connected the CPU to level 2 cache.

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85
Q

Backup and Restore

A

Windows 7 backup utility

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86
Q

Bandwith

A

The capacity of a network to transmit a given amount of data during a given period

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87
Q

bank

A

Total number of DIMMs that can be accessed simultaneously by the chipset

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88
Q

Bash

A

Default command shell on macOS and most Linux Distos

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89
Q

baud

A

One analog cycle on a telephone line

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90
Q

bcdedit

A

A command-line tool that enables you to view the BCD store, which lists the windows boot options

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91
Q

biometric authentication

A

Authentication process using biometric data such as voice, fingerprints, or retinal scans

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92
Q

bit

A

SIngle binary digit. Also, any device that can be in an or off state

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93
Q

BitLocker Drive Encryption

A

Drive encryption software offered in high-end versions of Windows, BitLocker requires a special chip to validate hardware status and to ensure that the computer hasnt been hacked

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94
Q

BitTorrent

A

Peer-to-peer file-sharing program

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95
Q

BNC

A

Uncommon coax connector secured with a quarter twist

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96
Q

Boot Configuration Data File (BCD)

A

The FIle that contains information about the various operating systems installed on the system

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97
Q

boot sector

A

The first sector on a storage drive

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98
Q

bootmgr

A

Windows Boot Manager. Manages the boot process using information from the boot Configuration Data file

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99
Q

bootrec

A

A Windows Recovery Environment troubleshooting and repair tool that repairs the master boot record, boot sector, or BCD store

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100
Q

botnet

A

The network of computers infected with malware that can be controlled to do the bidding of the malware developers

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101
Q

bridge

A

A device that connects dissimilar network technologies that transmit the same signal

102
Q

broadband

A

Commonly understood as a reference to high-speed, always-on communication links that can move large files much more quickly the an a regular phone line

103
Q

broadcast domain

A

Group of computers connected by one or more switches

104
Q

bus

A

Series of wires connecting two or more separate electronic devices, enabling those devices to communicate

105
Q

byte

A

Unit of 8 bits; fundamental data unit of personal computers

106
Q

cache (disk)

A

a special area of RAM that stores the data most frequently accessed from the hard disk

107
Q

cache (L1,L2,L3,etc)

A

A special section of fast memory, usually built into the CPU

108
Q

CAT 5

A

Category 5 wire; an ANSI/TIA standard for wiring that can operate at up to 100 Mbps

109
Q

Cat 5e

A

Category 5 wire; an ANSI/TIA standard for wiring that can operate at up to 1 Gbps

110
Q

Cat 6

A

Category 6a wire; ANSI/TIA standard for UTP wiring that can operate at up to 10Gbps

111
Q

Cat 6a

A

Category 6a wire; augmented Cat 6 UTP wiring that supports 10-Gbps networks at the full 100-meter distance between a node and a switch

112
Q

Cat 7

A

Supports 10-Gbps networks at 100-meter segments; shielding for the individual wire pairs reduces crosstalk and noise problems

113
Q

CCFL (cold cathode fluorescent lamp)

A

Light technology used in older LCDs and flatbed scanners

114
Q

CDFS (compact disc/read-only memory)

A

The generic name for ISO-9660. File structures, rules, and conventions used when organizing and storing files and data on a CD

115
Q

Celeron

A

Lower-cost brand of Intel CPUs

116
Q

CFS (Central File System)

A

Method to unify all storage devices within a network or organization to facilitate a single management point and to provide user access to any file of data within the organization

117
Q

channel

A

Used in a common method for numbering boot devices; the first boot device is channel 1, the second is channel 2, and so on

118
Q

charms

A

In Windows 8 and 8.1, tool located in the hidden charms bar

119
Q

chassis intrusion detection

A

The feature offered in some chassis that trips a switch when the chassis is open

120
Q

checksum

A

The value generated from some data, like a file, and saved for comparing to other checksums later

121
Q

chkdsk

A

Hard drive error detection and, to a certain extent, correction utility in Windows

122
Q

chmod

A

Linux command to change permissions

123
Q

chown

A

Linux command to change the owner and group to which a file or folder is associated

124
Q

CIFS (Common Internet File System)

A

A dialect of the Server Message Block (SMB) protocol

125
Q

Classless Inter-Domain Routing (CIDR)

A

The current system for creating and notating IPv4 subnets

126
Q

Client-side virtualization

A

Using a hypervisor installed on a client machine to run a virtual machine

127
Q

closed source

A

Describes a product for which the plans, schematics, recipes, or other information used to create it are solely controlled by its creator or distro

128
Q

cloud computing

A

A model for enabling and accessing computing storage and other shared resources on demand

129
Q

CNR (communications and networking riser)

A

Proprietary slot used on some motherboards to provide a connection for modems, sound cards, and NICs that is free from sound interference

130
Q

coaxial cable

A

Cabling in which an internal conductor is surrounded by another, outer conductor, thus sharing the same axis

131
Q

codec (compressor/decompressor)

A

Software that compresses or decompresses media streams

132
Q

COM port(s)

A

Serial communication ports once common on computers

133
Q

community cloud

A

Cloud network that serves a community or group with shared needs and interests

134
Q

conditionals

A

Functions that enable a script or program to perform different actions under different conditions

135
Q

Container file

A

The file containing two or more separate, compressed tracks

136
Q

control construct

A

Loops and conditional statements (such as “if” statements) are examples of control structures

137
Q

CRC (cyclic redundancy check)

A

The very accurate mathematical method used to check for errors in long streams of transmitted data

138
Q

crossover cable

A

A standard UTP cable with one RJ-45 connector using the T568A standard and the other using the T568B standard

139
Q

CSMA/CA (carrier sense multiple access/collision avoidance)

A

Networking scheme used by wireless devices to transmit data while avoiding data collisions

140
Q

CSMA/CD (carrier sense multiple access/collision detection)

A

Networking scheme used by Ethernet devices to transmit data and resend data after detection of network collisions

141
Q

DAC (discretionary access control)

A

Authorization method based on the idea that there is an owner of a resource who may at his or her discretion assign access to that resource

142
Q

Data Collector Sets

A

WIndows log repository that accepts log entries from other windows computers

143
Q

DB connectors

A

D-shaped connectors once used for a variety of connections in the PC and Networking world

144
Q

DB-9

A

a two-row DB connector used to connect the computers serial port to a serial-communication device such as a modem or console port on a managed switch

145
Q

DC (direct current)

A

Type of electricity in which the flow of electrons is in a complete circle in one direction

146
Q

DDOS (distributed denial of service)

A

An attack on a computer or network device in which multiple computers send data and requests to the device in an attempt to overwhelm it so that it cannot perform normal operations

147
Q

DDR SDRAM (double data rate SDRAM)

A

Type of DRAM that makes two processes for every clock cycle

148
Q

default gateway

A

In a TCP/IP network, the nearest router to a particular host. This routers IP address is part of a necessary TCP/IP configuration for communicating with multiple networkings using IP

149
Q

definition file

A

Files that enable anti-malware programs to identify viruses on your system and clean them

150
Q

defragmentation (defrag)

A

Procedure in which all the files on a hard disk are rewritten on disk so that all parts of each file reside in contiguous clusters

151
Q

destination port

A

In port triggering, the port that the router opens to receive a response after the router sends outbound traffic on the trigger port

152
Q

DFS (distributed file system)

A

A storage environment where shared files are accessed from storage devices within multiple servers, clients and peer hosts

153
Q

DHCP (Dynamic Host Configuration Protocol)

A

The protocol that enables client hosts to request and receive TCP/IP settings automatically from an appropriately configured server.
- Uses UDP ports 67 and 68

154
Q

digitizer

A

Device enabling users to paint, ink, pencil, or other draw with a computer

155
Q

DIMM (dual inline memory module)

A

32- or 64-bit type of DRAM packaging with the destination that each side of each tab inserted into the system performs a separate function

156
Q

dipoleantennas

A

Standard straight-wire antennas that provide the most omnidirectional function

157
Q

DirectX

A

Set of APIs enabling programs to control multimedia, such as sound, video, and graphics

158
Q

disk duplexing

A

Type of disk mirroring using two separate controllers rather than one

159
Q

disk initialization

A

A process that places special information on every hard drive installed in a windows system

160
Q

disk-striping

A

The process by which data is spread among multiple drives

161
Q

disk-striping with parity

A

Method for providing fault tolerance by writing data across multiple drives and then including an additional drive

162
Q

disk thrashing

A

A hard drive that is constantly being accessed due to lack of available system memory

163
Q

dism (Deployment Image Servicing and Management)

A

a command-line tool bundled with Windows 10 to support image deployment

164
Q

display adapter

A

Handles all the communication between the CPU and monitor

165
Q

distended capacitors

A

Failed capacitors on a motherboard, which tend to bulge out at the top

166
Q

DLP (Digital Light Processing)

A

Display technology that reflects and directs light onto a display surface

167
Q

DMA (direct memory access)

A

The technique that some PC hardware devices use to transfer data to and from the memory without using the CPU

168
Q

DMA controller

A

Resides between the RAM and the devices and handles DMA requests

169
Q

DMZ (demilitarized zone)

A

Lightly protected or unprotected subnet network positioned between an outer firewall and an organizations highly protected internal network

170
Q

domain

A

group of users, computers, or networks

171
Q

domain controller

A

A computer running Windows Server that stores a set of domain accounts

172
Q

domain-based network

A

The network that eliminates the need for logging on to multiple servers by using domain controllers to hold the security database for all systems

173
Q

DOS (Disk Operating System)

A

First popular operating system available for PCs

174
Q

drive letter

A

a letter designating a specific drive or partition

175
Q

DSL (digital subscriber line)

A

High-speed internet connection technology that uses a regular telephone line for connectivity

176
Q

DTS (Digital Theatre Systems)

A

Technology for sound reductions and channeling methods

177
Q

DUN (Dial-up Networking)

A

Software used by Windows to govern the dial-up connection between the modem and the ISP

178
Q

duplexing

A

Similar to mirroring in that data is written to and read from two physical drives, for fault tolerance

179
Q

dual-channel memory

A

Form of DDR, DDR2, and DDR3 memory access used by many motherboards that require two identical sticks of DDR, DDR2, or DDR3 RAM

180
Q

dual-core

A

CPUs that have two execution units on the same physical chip but share caches and RAM

181
Q

dxdiag (DirectX Diagnostics Tool)

A

Diagnostic tool for getting information about and testing a computers DirectX version

182
Q

dynamic disks

A

A special feature of Windows that enables users to span a single volume across two or more drives.

183
Q

ECC (error correction code)

A

Special software, embedded on hard drives, that constantly scans the drives for bad blocks

184
Q

effective permissions

A

Users combined permissions granted by multiple groups

185
Q

EFS (encrypting file system)

A

Storage organization and management service, such as NTFS, that has the capability of applying a cipher process to the stored data

186
Q

EIDE (Enhanced IDE)

A

Marketing concept of hard drive maker Western Digital

187
Q

emergency repair disk (ERD)

A

Saves critical boot files and partition information and is the main tool for fixing boot problems in older versions of Windows

188
Q

encrypted

A

Data has been passed through an encryption algorithm, rendering it unreadable without the decryption keys

189
Q

eSATA

A

Serial ATA-based connector for external hard drives and optical devices

190
Q

Ethernet over Power

A

Uses a building’s existing electrical network for ethernet

191
Q

exFAT

A

A Microsoft-proprietary file system that breaks the 4-GB file size barrier, supporting files up to 16exabytes

192
Q

expansion bus

A

Set of wires going to the CPU, governed by the expansion bus crystal

193
Q

expansion bus crystal

A

Controls the speed of the expansion bus

194
Q

expansion slots

A

Connectors on a motherboard that enable users to add optional components to a system

195
Q

ext4 (Fourth Extended File System)

A

The file system used by most Linux distros

196
Q

external data bus (EDB)

A

Primary data highway of all computers

197
Q

Extensible Authentication Protocol (EAP)

A

Authentication wrapper that EAP-compliant applications can use to accept one of many types of authentication

198
Q

FAT (file allocation table)

A

Hidden table that records how files on a hard disk are stored in distinct clusters; the only way DOS knows where to access files

199
Q

FAT32

A

File allocation table that uses 32 bits to address and index clusters. Commonly used with USB flash-media drives

200
Q

file association

A

Windows term for the proper program to open a particular file; for example, the file association for opening .MP3 files might be MusicBee

201
Q

FireWire (IEEE 1394)

A

Interconnection standard to send wide-band signals over a serialized, physically thin connector system

202
Q

firmware

A

Embedded programs or code stored on a ROM chip

203
Q

FPU (floating-point unit)

A

The formal term for math coprocessor circuitry inside a CPU

204
Q

fragmentation

A

Occurs when files and directories get jumbled on a fixed disk and are no longer contiguous

205
Q

frame

A

A data unit transferred across a network

206
Q

frontside bus

A

On older PC architectures, the wires that connect the CPU to its external memory controller

207
Q

FRU (field replaceable unit)

A

Any part of a PC that is considered to be replaceable “in the field” ex: customer location

208
Q

FTP (File Transfer Protocol)

A

Rules that enable two computers to talk to one another during a file transfer

209
Q

full device encryption

A

Enhances mobile devices security by encrypting the devices internal storage

210
Q

full format

A

Format process that tests every sector to mark out the unusable ones in the file allocation table

211
Q

full-duplex

A

Any device that can send and receive data simultaneously

212
Q

fully qualified domain name (FQDN)

A

A complete, bottom-to-top label of a DNS host going from the specific host to the top-level domain that holds it and all of the intervening domain layers

213
Q

GDDR5

A

The fifth generation of graphical DDR RAM found on high-performance video cards

214
Q

GDI (graphical device interface)

A

Component of Windows that utilizes the CPU rather then the printer to process a print job as a bitmapped image if each page

215
Q

General Data Protection Regulation (GDPR)

A

European Union law that defines a broad set of rights and protections of personal information for citizens of the EU

216
Q

general protection fault (GPF)

A

Error code usually seen when separate active programs conflict on resources or data

217
Q

giga

A

Prefix for the quantity 1,073,741,824 or for 1 billion

218
Q

globally unique identifier (GUID) partition table (GPT)

A

Partitioning scheme that enables you to create more than four primary partitions without needing to use dynamic disks

219
Q

gpupdate

A

Windows command for making immediate group policy changes in an individual system

220
Q

GSM (Global System for Mobile Communication)

A

Wireless data for mobile devices

221
Q

HAL (hardware abstraction layer)

A

Part of the Windows OS that separates system-specific device drivers from the rest of the operating system

222
Q

half-duplex

A

Transmission mode where a device can either send or receive, but not do both at once

223
Q

HBA (host bus adapter)

A

Connects SATA devices to the expansion bus

224
Q

HDBaseT

A

Wired video transmission system to carry uncompressed HD video over CAT 5a or CAT 6 network cables

225
Q

hidden attribute

A

File attribute that, when used, does not allow the dir command to show a file

226
Q

horizontal cabling

A

Cabling that connects the equipment room to the work areas

227
Q

hot-swapping

A

Any hardware that may be attached to or removed from a PC without interrupting the PC’s normal processing

228
Q

HTML (Hypertext Markup Language)

A

ASCII-based, script-like language for creating hypertext documents such as those on the World Wide Web

229
Q

HTTP (Hypertext Transfer Protocol)

A

The extremely fast protocol used for network file transfers in the WWW environment. Uses port 80

230
Q

hub

A

The device that sits at the center of a star bus topology network, providing a common point for the connection of network devices

231
Q

hybrid (networking)

A

A network topology that combines features from multiple other topologies, such as the star bus topology

232
Q

hybrid cloud

A

A combination of cloud resources from more than one other cloud type, such as community, private, or public

233
Q

IaaS (Infrastructure as a service)

A

Cloud-hosted provider of virtualized servers and networks

234
Q

IDE (integrated drive electronics)

A

PC specification for small- to medium-sized hard drives in which the controlling electronics for the drive are part of the drive itself

235
Q

IEC-320

A

Connects the cable supplying AC power from a wall outlet into the power supply

236
Q

IEEE 1394

A

IEEE standard governing FireWire communication

237
Q

IEEE 1394a

A

FireWire standard that runs at 400 Mbps

238
Q

IEEE 1394b

A

FireWire standard that runs at 800 Mbps

239
Q

IEEE 802.11

A

Wireless Ethernet standard is more commonly known as WIFI

240
Q

IMC (integrated memory controller)

A

Memory controller circuitry built into the CPU that enables faster control over things like the large L3 cache shared among multiple cores

241
Q

IMEI (International Mobile Equipment Identity

A

A 15-digit number used to uniquely identify a mobile device, typically a smartphone or other device that connects to a cellular network

242
Q

impedance

A

Amount of resistance to an electrical signal on a wire

243
Q

IMSI (International Mobile Equipment Identity)

A

A unique number that represents the actual user with a particular SIM number

244
Q

infrastructure mode

A

wireless networking mode that uses one or more WAPs to connect the wireless network nodes to a wired network segment

245
Q

intrusion detection system (IDS)

A

Suspension of a process, such as the execution of a computer program

246
Q

intrusion prevention system (IPS)

A

Application similar to an intrusion detection system (IDS), except that it sits directly in the flow of network traffic

247
Q

IPv4 (Internet Protocol version 4)

A

Internet standard protocol that provides a common layer over dissimilar networks; used to move packets among host computers

248
Q

IPv6 (Internet Protocol version 6)

A

Protocol in which addresses consist of eight sets of four hexadecimal numbers, each number being a value between 0000 and ffff, using a colon to separate the numbers

249
Q

IrDA (Infrared Data Association) protocol

A

A protocol that enables communication through infrared devices, with speeds up to 4 Mbps

250
Q

Level 1 (L1) cache

A

First RAM cache accessed by the CPU, which stores only the absolute most accessed programming and data used by currently running threads

compTIA 1001 (1 decks)

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