Acronyms (Page 18)

Question 1

TLS

Answer 1

Transport Layer Security

A cryptographic protocol designed to provide communications security over a computer network.

Question 2

TOC

Answer 2

Time-of-check

Refers to a problem where the state of a system can change between the time it is checked and the time it is used.

Question 3

TOTP

Answer 3

Time-based One-time Password

A common algorithm for generating a one-time password, which is valid only for a short period of time.

Question 4

TOU

Answer 4

Time-of-use

Refers to the varying price of electricity or other resources depending on the time when it is used.

Question 5

TPM

Answer 5

Trusted Platform Module

A specialized chip on an endpoint device that stores RSA encryption keys specific to the host system for hardware authentication.

Question 6

TTP

Answer 6

Tactics, Techniques, and Procedures

Describes the behavior or modus operandi of cyber attackers in terms of the tactics they use, the techniques they employ, and the procedures they follow to execute an attack.

Question 7

TSIG

Answer 7

Transaction Signature

A protocol used for securing updates to DNS, which is based on shared secret key cryptography.

Question 8

UAT

Answer 8

User Acceptance Testing

The last phase of the software testing process, where actual software users test the software to make sure it can handle required tasks in real-world scenarios.

Question 9

UAV

Answer 9

Unmanned Aerial Vehicle

An aircraft without a human pilot aboard, also known as a drone.

Question 10

UDP

Answer 10

User Datagram Protocol

A communications protocol that facilitates the exchange of messages between computing devices in a network. It’s used for time-sensitive transmissions.

Question 11

UEFI

Answer 11

Unified Extensible Firmware Interface

A specification for a software program that connects a computer’s firmware to its operating system (OS). It’s designed to replace BIOS.

Question 12

UEM

Answer 12

Unified Endpoint Management

A class of software tools that provide a single management interface for mobile, PC, and other devices.

Question 13

UPS

Answer 13

Uninterruptible Power Supply

A device that allows a computer to keep running for at least a short time when the primary power source is lost.

Question 14

URI

Answer 14

Uniform Resource Identifier

A string of characters used to identify a name or a resource on the Internet.

Question 15

URL

Answer 15

Uniform Resource Locator

A reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it.