Acroynm Definitions

Question 1

Helps protect email domains from unauthorized use, such as email spoofing.

Answer 1

DMARC (Domain based message authentication reporting and conformance)

Question 2

Provides a way to validate all digitally signed messages from a specific email server.

Answer 2

DKIM (Domain Keys Identified Mail)

Question 3

A list of all authorized mail servers for a specific domain

Answer 3

SPF (sender policy framework)

Question 4

A way to limit network access to only authorized users.

Answer 4

NAC (network access control)

Question 5

Connects local area networks across large distances using controlling software that works with a variety of networking hardware. (Cloud based)

Answer 5

SD-WAN (software defined networking in a wide area network)

Question 6

A formal document where both sides agree to a broad set of goals and objectives associated with the partnership.

Answer 6

MOA (memorandum of agreement)

Question 7

Provided as a formal contract between two parties that documents the minimum terms for service provided.

Answer 7

SLA (service level agreement)

Question 8

A detailed list of items to be completed as part of an overall project deliverables.

Answer 8

SOW (statement of work)

Question 9

A confidentiality agreement between parties.

Answer 9

NDA (Non disclosure agreement)

Question 10

A prediction of how often a repairable system will fail

Answer 10

MTBF (mean time between failures)

Question 11

Define a set of objectives needed to restore a particular service level.

Answer 11

RTO (Recovery Time Objectives)

Question 12

The amount of time it takes to repair a component.

Answer 12

MTTR (mean time to restore) (repair)

Question 13

Describes the minimum data or operational state required to categorize a system as recovered.

Answer 13

RPO (recovery point objective)

Question 14

An authentication framework commonly associated with network access control

Answer 14

EAP (extensible authentication protocol)

Question 15

Watches traffic flow across the network

Answer 15

UTM (unified threat manager)

Question 16

The address system of the Internet and has the core function of delivering packets of information from a source device to a target device.

Answer 16

IP (Internet Protocol)

Question 17

Handles packet ordering and error checking

Answer 17

TCP (Transmission control protocol)

Question 18

The collection of Internet connected gadgets such as cameras, refrigerators, and smart speakers

Answer 18

IoT (internet of things)

Question 19

Used to diagnose network issues over the Internet

Answer 19

ICMP (Internet control message protocol)

Question 20

A transport layer communication protocol, a very common protocol for voice and video traffic

Answer 20

UDP (user datagram protocol)

Question 21

A trusted entity that issues digital certificates to verify the identity of websites, email, addresses, companies, or individuals.

Answer 21

CA (certificate authority)

Question 22

A list of digital certificates that have been revoked by the certificate authority that issues them before their expiration date

Answer 22

CRL (certificate revocation list)

Question 23

A specially formatted encrypted message sent from a secure sockets layer (SSL) digital certificate applicant to a certificate authority

Answer 23

CSR (certificate signing request)

Question 24

An Internet protocol that certificate authorities use to determine the status of secure sockets layer/transport layer security (SSL/TLS) certificates

Answer 24

OCSP (online certificate status protocol)

Question 25

An OS that guarantees real time applications a certain capability within a specified deadline

Answer 25

RTOS (real time operating system)

Question 26

A system of devices, networks, and controls that work together to manage industrial processes

Answer 26

ICS (industrial control system)

Question 27

An approach to network management that enables dynamic and programmatically efficient network configuration to improve network performance and monitoring in a manner more akin to cloud computing than to traditional network management

Answer 27

SDN (software defined networking)

Question 28

A security solution that identifies and helps prevent unsafe or inappropriate sharing, transfer, or use of sensitive data

Answer 28

DLP (data loss prevention)

Question 29

A systems ability to operate continuously, with minimal or no downtime, and at a high level of performance

Answer 29

HA (High Availability)

Question 30

Hardened, tamper resistant hardware devices that secure cryptographic processes by generating, protecting, and managing keys used for encrypting and decrypting data and creating digital signatures and certificates

Answer 30

HSM (Hardware security module)

Question 31

A security program that monitors a single device for suspicious activity and prevents threats to the device’s integrity

Answer 31

HIPS (host based intrusion prevention system)

Question 32

A method of managing user access to systems, networks, or resources based on their role within an organization

Answer 32

RBAC (Role based access control)

Question 33

The practice of collecting and analyzing publicly available data to produce actionable intelligence

Answer 33

OSINT (open source intelligence)