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CompTIA A+ > 220-901 Acronyms > Flashcards

220-901 Acronyms Flashcards

1
Q

Which of the following terms refers to a microchip embedded on the motherboard of a personal computer or laptop that can store keys, passwords and digital certificates?

A

TPM (Trusted Platform Module)

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2
Q

The ECC type RAM

A

Can detect and correct errors

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3
Q

Which of the terms listed below refers to a proprietary flash memory card format used mainly in older digital cameras?

A

xD (eXtreme Digital)

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4
Q

Which of the following answers describe the features of SSDs? (3 answers)

A

High device cost
High performance
Lower capacity compared to magnetic drives

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5
Q

What is the name of an HDD type that combines high performance and capacity at a relatively low device cost?

A

SSHD (Solid-State Hybrid Drive)

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6
Q

A type of media used as a secondary system storage in tablets and mobile phones is known as:

A

eMMC (Embedded Multimedia Card)

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7
Q

LGA is a type of integrated circuit packaging that is notable for having pins arranged in a regular array on the underside of the package.

A

False

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8
Q

A CPU design based on instruction set that tries to improve speed by utilizing relatively few and simple instructions is known as:

A

RISC (Reduced Instruction Set Computer)

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9
Q

The bus between the CPU and the L2 cache inside the CPU housing is called:

A

BSB (Back-Side Bus)

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10
Q

PGA is a type of surface-mount packaging for ICs that is notable for having pins on the socket rather than the integrated circuit.

A

False

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11
Q

The bus between the CPU and northbridge is known as:

A

FSB (Front-Side Bus)

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12
Q

Which of the following acronyms refers to a specific feature of certain types of microprocessor sockets that facilitates the insertion and removal of a CPU chip?

A

ZIF (Zero Insertion Force)

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13
Q

What is the name of a microprocessor component that performs all comparisons and calculations?

A

ALU (Arithmetic Logic Unit)

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14
Q

Which of the terms listed below refers to a situation where a single CPU appears as multiple virtual CPUs to the OS?

A

HTT (Hyper-Threading Technology)

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15
Q

The most notable difference between PGA and LGA packaging relates to the placement of contact pins, which in case of PGA can be found on the socket, and in case of LGA on the CPU.

A

True

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16
Q

Which of the following built-in functionalities allows a CPU to take over tasks normally executed by a dedicated graphics card?

A

GPU (Graphics Processing Unit)

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17
Q

A security feature used by CPUs for isolating areas of memory in order to prevent the execution of code from non-executable memory locations is known as:

A

NX bit (No-eXecute)

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18
Q

“DB-15”, “DE-15”, and “HD-15” are terms referring to the different variants of the:

A

VGA (Video Graphics Array) connector

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19
Q

A type of interface providing the capability for transmission of both video and audio data is known as:

A

HDMI (High Definition Multimedia Interface)

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20
Q

Which of the DVI connector types does not provide support for digital signal transmission?

A

DVI-A (Digital Visual Interface)

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21
Q

Which of the following answers describes(s) the characteristic features of S/PDIF? (3 Answers)

A

Digital audio interface
Coaxial cabling
Fiber-optic cabling

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22
Q

Which of the connector types listed below plugs into a NIC port?

A

RJ-45 (Registered Jack)

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23
Q

Which of the following answers list(s) examples of wireless connectivity media?

A

NFC (Near Field Communication)

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24
Q

Which of the acronyms listed below refers to the type of electric current supplied to most of the internal PC components?

A

DC (Direct Current)

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25
Q

PSUs capable of operating with either 110-120 or 220-240 volt power input ranges are referred to as dual rail PSUs.

A

False

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26
Q

Which of the hardware requirements listed below should be given priority while assembling a custom CAD/CAM design workstation? (3 Answers)

A

High-end GPU
Multicore CPU
Maximum amount of RAM

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27
Q

What type of hardware components would be the most important for an A/V editing workstation? (4 Answers)

A

Specialized sound card
Dual monitors
Specialized GPU
High-capacity fast HDD

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28
Q

Which of the following hardware requirements should be given priority while building a custom HTPC? (Select all that apply) (4 Answers)

A

TV tuner
Surround sound audio
HDMI output
Motherboard form factor

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29
Q

Which of the LCD technologies listed below offers the fastest response time?

A

TN (Twisted Nematic)

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30
Q

What are the characteristic features of the IPS LCD panel technology? (3 Answers)

A

High color quality
Wide viewing angles
Slow response times

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31
Q

Which of the following answers describe the features of the TN LCD panel technology? (3 Answers)

A

Low viewing angles
Fast response times
Low color quality

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32
Q

Which of the acronyms listed below refers to an LCD panel taking advantage of fluorescent lamps?

A

CCFL (Cold Cathode Fluorescent Lights)

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33
Q

A type of thin and lightweight display device offering higher contrast ratio and color quality in comparison to LCD without the need for a special light source to produce a visible image is referred to as:

A

OLED (Organic Light-Emitting Diode)

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34
Q

What type of unit is used to describe the refresh rate of a computer screen?

A

Hz (Hertz)

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35
Q

The brightness of an LCD display screen is measured in:

A

cd/m2 (Candelas per Square Meter)

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36
Q

Which of the display standards listed below uses the 16:10 aspect ratio?

A

WUXGA (Wide Ultra XGA (eXtended Graphics Array) )

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37
Q

A technical standard for digital representation and transmission of sound is known as:

A

MIDI (Musical Instrument Digital Interface)

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38
Q

An infrastructure device designed for connecting wireless/wired client devices to a network is called:

A

AP (Access Point)

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39
Q

Which of the following answers refers to a common network communication protocol used for enabling two hosts to establish a network connection and exchange data?

A

TCP (Transmission Control Protocol)

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40
Q

Which printer type is often used as a PoS terminal component?

A

Thermal

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41
Q

File formats commonly used in virtual printing include: (2 Answers)

A

XPS (Open XML Paper Specification)

PDF (Portable Document Format)

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42
Q

Which of the following answers refers to a legacy parallel printer port?

A

LPT (Line Print Terminal)

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43
Q

Which of the answers listed below refers to a language used for describing the appearance of a printed page?

A

PCL (Printer Command Language)

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44
Q

A Microsoft Windows OS component responsible for representing graphical objects and transmitting them to output devices such as monitors and printers is called:

A

GDI (Graphics Device Interface)

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45
Q

Which of the following answers refer to parallel printer port operation modes? (2 Answers)

A

ECP (Enhanced Capability Port)

EPP (Enhanced Parallel Port)

46
Q

Examples of network protocols designed to enable remote printing include: (2 Answers)

A

IPP (Internet Printing Protocol)

LPD/LPR (Line Printer Daemon/Line Printer Remote)

47
Q

Which of the answers listed below refer(s) to connector type(s) used with fiber-optic cabling? (3 Answers)

A

ST (Straight Tip)
SC (Subscriber Connector)
LC (Lucent Connector)

48
Q

One of the differences between the UTP and STP cabling is that the STP cable takes advantage of additional protective cover reducing signal interference from outside sources.

A

True

49
Q

Materials from which the plenum-rated cable’s cover is made include: (2 Answers)

A

PVC (Polyvinyl Chloride)

FEP (Fluorinated Ethylene Propylene)

50
Q

An IPv4 address in the range 169.254.0.1 through 169.254.255.254 indicates problem with what type of service?

A

DHCP (Dynamic Host Configuration Protocol)

51
Q

A system containing mappings of domain names to various types of data, such as for example numerical IP addresses is known as:

A

DNS (Domain Name System)

52
Q

What is the function of POP3?

A

(Post Office Protocol Version 3) Retrieving email messages from a mail server

53
Q

IMAP4 is used for:

A

(Internet Messaging Access Protocol 4)Retrieving email messages from a mail server

54
Q

A Microsoft-proprietary protocol providing a user with a graphical interface for connecting to another computer over a network is known as:

A

RDP (Remote Desktop Protocol)

55
Q

The function of the NetBT protocol is to allow NetBIOS services to be used over TCP/IP networks.

A

True

56
Q

Which of the protocols listed below is used for automated discovery of networked services on LANs?

A

SLP (Service Location Protocol)

57
Q

Which of the following answers refer(s) to file sharing network protocol(s)? (2 Answers)

A

FTP (File Transfer Protocol)

AFP (Apple Filing Protocol)

58
Q

A network protocol providing an alternative solution to the manual assignment of IP addresses is called:

A

DHCP (Dynamic Host Configuration Protocol)

59
Q

LDAP is an example of:

A

(Lightweight Directory Access Protocol)Directory access protocol

60
Q

A protocol used in network management systems for monitoring network-attached devices is known as:

A

SNMP (Simple Network Management Protocol)

61
Q

SMB and CIFS are examples of network protocols used for providing shared access to files, directories, and devices.

A

True

62
Q

Examples of secure network protocols offering traffic encryption include: (3 Answers)

A

HTTPS (Hypertext Transfer Protocol)
IPsec (Internet Protocol Security)
SSH (Secure SHell)

63
Q

Which of the following answers refers to a cryptographic network protocol for secure data communication, remote command-line login, remote command execution, and other secure network services between two networked computers?

A

SSH (Secure SHell)

64
Q

Which of the protocols listed below was designed as a secure replacement for Telnet?

A

SSH (Secure SHell)

65
Q

TCP is an example of a connectionless protocol. TCP doesn’t support three-way handshake (thus it is also referred to as unreliable or best-effort protocol).

A

False

66
Q

UDP is a connection-oriented protocol that requires a set of initial steps in order to establish connection (three-way handshake), supports retransmission of lost packets, flow control (managing the amount of data that is being sent), and sequencing (rearranging packets that arrived out of order).

A

False

67
Q

Which of the wireless security standards listed below has been deprecated in favor of newer standards due to known vulnerabilities resulting from implementation flaws?

A

WEP (Wired Equivalent Privacy)

68
Q

Which of the following wireless encryption schemes offers the highest level of protection?

A

WPA2 (Wi-Fi Protected Access 2)

69
Q

A security protocol introduced in order to strengthen existing WEP implementations without requiring the replacement of legacy hardware is known as:

A

TKIP (Temporal Key Integrity Protocol)

70
Q

AES-based encryption mode is a characteristic feature of:

A

WPA2 (Wi-Fi Protected Access 2)

71
Q

A lightly protected subnet consisting of publicly available servers placed on the outside of the company’s firewall is commonly referred to as:

A

DMZ (Demilitarized Zone)

72
Q

Which of the following solutions is used to hide the internal IP addresses by modifying IP address information in IP packet headers while in transit across a traffic routing device?

A

NAT (Network Address Translation)

73
Q

A solution that alleviates the problem of depleting IPv4 address space by allowing multiple hosts on the same private LAN to share a single public IP address is known as:

A

NAT (Network Address Translation)

74
Q

DNAT provides a permanent mapping between a private IP address and a public IP address on a one-to-one basis.

A

False

75
Q

SNAT provides a mapping between private IP address and any of the IP addresses belonging to the available public IP address pool.

A

False

76
Q

Which of the following solutions allows network administrators to prioritize certain types of network traffic?

A

QoS (Quality of Service)

77
Q

A type of architecture that simplifies networking by allowing devices to dynamically join a network, autoconfigure, and learn about the presence and capabilities of other devices is known as:

A

UPnP (Universal Plug and Play)

78
Q

Which of the answers listed below refers to zero-configuration networking?

A

UPnP (Universal Plug and Play)

79
Q

Which of the following technologies simplifies configuration of new wireless networks by providing non-technical users with a capability to easily configure network security settings and add new devices to an existing network?

A

WPS (Wi-Fi Protected Setup)

80
Q

Examples of technologies that are not recommended and should be disabled due to their known vulnerabilities or other security risks they might pose include: (3 Answers)

A

WPS (Wi-Fi Protected Setup)
UPnP (Universal Plug and Play)
WEP (Wired Equivalent Privacy)

81
Q

Which of the following enables broadband Internet access based on the cable television infrastructure?

A

DOCSIS (Data Over Cable Service Interface Specification)

82
Q

What is the most common type of a DSL Internet access?

A

ADSL (Asymmetric Digital Subscriber Line)

83
Q

A network connecting computers within a small geographical area such as a building or group of buildings is commonly referred to as a:

A

LAN (Local Area Network)

84
Q

A computer network connecting multiple smaller networks over very large geographical areas is known as:

A

WAN (Wide Area Network)

85
Q

The Internet is an example of a large public WAN.

A

True

86
Q

A type of limited-range computer network used for data transmission among various types of personal devices centered around a single workstation is called:

A

PAN (Personal Area Network)

87
Q

A computer network connecting multiple LANs over an area of a city or campus is called:

A

MAN (Metropolitan Area Network)

88
Q

A type of network consisting of computers and peripheral devices that use high-frequency radio waves to communicate with each other is commonly referred to as:

A

WLAN (Wireless Local Area Network)

89
Q

A computer networking technology that enables sending data over wiring used for transmission of electrical power is called:

A

PLC (Programmable Logic Controller)

90
Q

Which of the following acronyms refers to a solution that allows for carrying both data and electrical power over a single twisted-pair Ethernet cable?

A

PoE (Power over Ethernet)

91
Q

A type of memory module form factor most commonly used for extending the capacity of primary storage in laptop computers is called:

A

SO-DIMM (Small Outline Dual In-Line Memory Module)

92
Q

Which of the answers listed below refers to a technology that enables carrying out mobile payment transactions with the use of the physical phone device?

A

NFC (Near Field Communication)

93
Q

Which of the following acronyms refers to a series of basic hardware diagnostic tests performed by the startup BIOS after the computer is powered on?

A

POST (Power-On Self-Test)

94
Q

Windows BSoD provides technical information that might be of help for advanced users in solving the problem that caused the stop error. The information displayed on the screen when Windows encounters this type of error typically includes error code, memory address where it occurred, and the name of the driver that caused it.

A

True

95
Q

S.M.A.R.T. technology allows for monitoring system for anticipated:

A

HDD failures

96
Q

Which of the answers listed below refers to a standard that relies on serial communication?

A

PCIe (Peripheral Component Interconnect Express)

97
Q

Motherboard slots that enable installation of dedicated graphics controllers include: (2 Answers)

A

AGP (Accelerated Graphics Port)

PCIe (Peripheral Component Interconnect Express)

98
Q

Which of the following answers refers to a firmware interface designed as a replacement for BIOS?

A

UEFI (Unified Extensible Firmware Interface)

99
Q

Which of the following slot types allows for adding primary storage modules to the motherboard?

A

RAM (Random Access Memory)

100
Q

Which of the answers listed below refer(s) to the features of a motherboard’s CPU socket? (4 Answers)

A

PGA (Pin Grid Array)
LGA (Land Grid Array)
ZIP
PGA2

101
Q

Which of the memory types listed below are designed to store permanent data that cannot be changed? (2 Answers)

A

ROM (Read-Only Memory)

PROM (Programmable Read-Only Memory)

102
Q

What is the most common memory module form factor type used in laptop computers?

A

SO-DIMM (Small Outline Dual In-Line Memory Module)

103
Q

A memory module form factor commonly used in sub-notebook devices is known as:

A

MicroDIMM

104
Q

Compared to a non-ECC type of memory, the ECC RAM is a less expensive option and will always perform faster.

A

False

105
Q

Which of the memory types listed below allows for permanent storage of data?

A

DVD-RAM (Digital Versatile Disc-Random Access Memory)

106
Q

What type of safety measures should accompany the installation of an adapter card?

A

ESD (Electrostatic Discharge) protection

107
Q

A PCB that can be installed in a motherboard slot in order to extend the system functionality is commonly referred to as an expansion card.

A

True

108
Q

Which of the following answers refer to examples of power management specifications? (2 Answers)

A

ACPI (Advanced Configuration and Power Interface)

APM (Advanced Power Management )

109
Q

PCIe is a high-speed, serial expansion bus designed as a replacement for: (Select all that apply)

A

PCI (Peripheral Component Interconnect)
PCI-X (Peripheral Component Interconnect extended)
AGP (Accelerated Graphics Port)

110
Q

Examples of CPU hardware enhancements improving support for virtualization include: (2 Answers)

A

VT-x (Intel Virtualization)

AMD-V (AMD (Advanced Micro Devices) Virtualization)

CompTIA A+ (2 decks)

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