Acronyms "K, L, M"

Question 1

KDC

Answer 1

Key Distribution Center

• Used to reduce risks in exchanging keys

Question 2

KEK

Answer 2

Key Encryption Key

• Key that encrypts another key for transportation

Question 3

L2TP

Answer 3

Layer 2 Tunneling Protocol

• Used to support VPNs or as part of the delivery of services by ISPs
• Uses encryption only for its own control messages, not for content itself
• Uses IPSec for data encryption over Layer 3

Question 4

LAN

Answer 4

Local Area Netowrk

Question 5

LDAP

Answer 5

Lightweight Directory Access Protocol

Question 6

LEAP

Answer 6

Lightweight Extensible Authentication Protocol

• Cisco
• Dynamic WEP keys and mutual authentication (between a wireless client and a RADIUS server)
• Allows for clients to re-authenticate frequently; upon each successful authentication, the clients acquire a new WEP key
• Uses a modified version of MS-CHAP

Question 7

MaaS

Answer 7

Monitoring as a Service

Question 8

MAC (Permissions)

Answer 8

Mandatory Access Control

• Access control model used to limit access to resources based on sensitivity of information.
• Uses labels

Question 9

MAC (Authentication)

Answer 9

Message Authentication Code

Question 10

MAC

Answer 10

Media Access Control

• Used in layer 2 of OSI model

Question 11

MAM

Answer 11

Mobile Application Management

• Used to control enterprise applications and end user devices

Question 12

MAN

Answer 12

Metropolitan Area Network

• Computer network larger than single building

Question 13

MBR

Answer 13

Master Boot Record

• Special type of boot sector at the very beginning of partitioned storage
• Holds info about how logical partitions are organized

Question 14

MD5

Answer 14

Message Digest 5

• Hash function, easily cracked

Question 15

MDF

Answer 15

Main Distribution Frame

• The core element of a fiber optic structured cabling system and is located in a Main Distribution Area (MDA)

Question 16

MDM

Answer 16

Mobile Device Management

• Software that allows admins to control mobile devices remotely

Question 17

MFA

Answer 17

Multifactor Authentication

Question 18

MFD

Answer 18

Multifunction device

Question 19

MFP

Answer 19

Multifunction Printer

Question 20

MITM

Answer 20

Man in the Middle
(Pathway Attack)

• CompTIA relabeled it as a pathway attack

Question 21

ML

Answer 21

Machine Learning

Question 22

MMS

Answer 22

Multimedia Message Service

• Used to send messages that include multimedia content

Question 23

MOA

Answer 23

Memorandum of Agreement

• Legally binding agreement

Question 24

MOU

Answer 24

Memorandum of Understanding

• Non-legally binding agreement

Question 25

MPLS

Answer 25

Multiprotocol Label Switching

• Routing technique to direct data from one note to the next based on the short path labels

Question 26

MSA

Answer 26

Measurement Systems Analysis

• Mathematical method of determining the amount of variation that exists within a measurement process

Question 27

MSCHAP

Answer 27

Microsoft Challenge Handshake

• Encrypted authentication used in a WAN

Question 28

MSP

Answer 28

Managed Service Provider

Question 29

MTBF

Answer 29

Mean Time Between Failures

• Predicted time in between failures of a system

Question 30

MTTF

Answer 30

Mean Time To Failure

• Used to predict when a system will fail (and can’t be repaired)

Question 31

MTTR

Answer 31

Mean Time To Recover (Repair)

• Predicted average time to restore/recover a system

Question 32

MTU

Answer 32

Maximum Transmission Unit

• Largest packet or frame size that can be sent