Security+ Acronyms

Question 1

What does AAA stand for?

Answer 1

Authentication, Authorization, and Accounting

AAA is a framework for controlling access to computer resources.

Question 2

What is an ACL?

Answer 2

Access Control List

An ACL is a list that defines permissions for users or groups to access resources.

Question 3

What does AES stand for?

Answer 3

Advanced Encryption Standard

AES is a symmetric encryption algorithm widely used for securing data.

Question 4

What is the key size of AES-256?

Answer 4

256-bit

AES-256 uses a key size of 256 bits for encryption, providing a high level of security.

Question 5

What does AH stand for?

Answer 5

Authentication Header

AH is a protocol used to provide connectionless integrity and authentication for IP packets.

Question 6

What does AI represent?

Answer 6

Artificial Intelligence

AI refers to the simulation of human intelligence in machines.

Question 7

What is the purpose of AIS?

Answer 7

Automated Indicator Sharing

AIS enables organizations to share cyber threat information automatically.

Question 8

What does ALE stand for?

Answer 8

Annualized Loss Expectancy

ALE is a calculation used to estimate the expected annual loss from a risk.

Question 9

What does AP stand for in networking?

Answer 9

Access Point

An AP is a device that allows wireless devices to connect to a wired network.

Question 10

What is an API?

Answer 10

Application Programming Interface

An API is a set of rules and tools for building software applications.

Question 11

What does APT stand for?

Answer 11

Advanced Persistent Threat

APT refers to a prolonged and targeted cyber attack where an intruder gains access to a network.

Question 12

What does ARO represent?

Answer 12

Annualized Rate of Occurrence

ARO estimates how often a risk is expected to occur within a year.

Question 13

What is the function of ARP?

Answer 13

Address Resolution Protocol

ARP is used to map an IP address to a MAC address in a local area network.

Question 14

What does ASLR stand for?

Answer 14

Address Space Layout Randomization

ASLR is a security technique that randomizes memory addresses to prevent exploitation.

Question 15

What does ATT&CK stand for?

Answer 15

Adversarial Tactics, Techniques, and Common Knowledge

ATT&CK is a knowledge base for tracking adversary behavior in cybersecurity.

Question 16

What is an AUP?

Answer 16

Acceptable Use Policy

AUP outlines the acceptable behaviors and practices for using an organization’s IT resources.

Question 17

What does AV stand for?

Answer 17

Antivirus

AV software is designed to detect and eliminate malware on computers.

Question 18

What is BASH?

Answer 18

Bourne Again Shell

BASH is a command-line interface and scripting language for Unix-based systems.

Question 19

What does BCP stand for?

Answer 19

Business Continuity Planning

BCP involves creating systems of prevention and recovery to deal with potential threats to a company.

Question 20

What does BGP stand for?

Answer 20

Border Gateway Protocol

BGP is a standardized exterior gateway protocol used to exchange routing information between autonomous systems on the internet.

Question 21

What is a BIA?

Answer 21

Business Impact Analysis

BIA identifies the effects of disruptions on business operations.

Question 22

What does BIOS stand for?

Answer 22

Basic Input/Output System

BIOS is firmware that initializes hardware during the booting process of a computer.

Question 23

What does BPA stand for?

Answer 23

Business Partners Agreement

BPA outlines the terms and conditions of a partnership between organizations.

Question 24

What is a BPDU?

Answer 24

Bridge Protocol Data Unit

BPDU is a message exchanged across the switches in a network to maintain the spanning tree protocol.

Question 25

What does BYOD stand for?

Answer 25

Bring Your Own Device ## Footnote BYOD refers to a policy allowing employees to use their personal devices for work purposes.

Question 26

What does CA stand for?

Answer 26

Certificate Authority ## Footnote CA is an entity that issues digital certificates for secure communications.

Question 27

What does CAPTCHA stand for?

Answer 27

Completely Automated Public Turing Test to Tell Computers and Humans Apart ## Footnote CAPTCHA is a challenge-response test used to determine whether the user is human.

Question 28

What is a CAR?

Answer 28

Corrective Action Report ## Footnote CAR documents actions taken to correct identified problems or non-conformities.

Question 29

What does CASB stand for?

Answer 29

Cloud Access Security Broker ## Footnote CASB provides security policies for cloud services and applications.

Question 30

What is CBC?

Answer 30

Cipher Block Chaining ## Footnote CBC is a mode of operation for block ciphers that enhances security by chaining blocks together.

Question 31

What does CCMP stand for?

Answer 31

Counter Mode/CBC-MAC Protocol ## Footnote CCMP is a security protocol used in Wi-Fi networks to provide data confidentiality and integrity.

Question 32

What does CCTV stand for?

Answer 32

Closed-circuit Television ## Footnote CCTV is a system of cameras used for surveillance and monitoring.

Question 33

What does CERT stand for?

Answer 33

Computer Emergency Response Team ## Footnote CERT is a group of experts that responds to computer security incidents.

Question 34

What does CFB stand for?

Answer 34

Cipher Feedback ## Footnote CFB is a mode of operation for block ciphers that allows data to be encrypted in smaller increments.