Day 9 Reversed

Question 1

MPLS

Answer 1

Multi-protocol Label Switching

This is used by WAN providers to quickly forward data using short and discrete labels, rather than complex network addresses.

Question 2

MSCHAP

Answer 2

Microsoft Challenge Handshake Authentication Protocol

Uses an initial handshake to create a nonce added to the hashed ID and secret to create varying outputs.

Question 3

MSP

Answer 3

Managed Service Provider

A specialty provider of IT services management contracted by a client.

Question 4

MSSP

Answer 4

Managed Security Service Provider

A contracted service wherein an outside party manages, monitors and maintains security services, including firewalls, intrusion detection, virtual private networks
and end point security.

Question 5

MTBF

Answer 5

Mean Time Between Failures

The estimation as to how often serious errors occur, typically measured in thousands of hours.

Question 6

MTTR

Answer 6

Mean Time to Recover or Mean Time to Repair

A standard recovery statistic indicating swiftness of DRP responses.

Question 7

MTU

Answer 7

Maximum Transmission Unit

The maximum number of bytes allowed within a datalink technology.

Question 8

NAC

Answer 8

Network Access Control

A technology primarily used for local access control that may involve MAC addresses and 802.1x.

Question 9

NAS

Answer 9

Network-attached Storage

File oriented storage of computer information across the network on a central device that may be using multiple storage media.

Question 10

NAT

Answer 10

Network Address Translation

This is commonly implemented by firewalls and is used to remap address space on the inside to one or several addresses on the outside edge.

Question 11

NDA

Answer 11

Non-disclosure Agreement

A legally binding agreement, compelling parties to not reveal information to others.

Question 12

NFC

Answer 12

Near Field Communication

This is a short range wireless technology, commonly used for payment systems and person-to-person data exchanges.

Question 13

NFV

Answer 13

Network Function Virtualization

An architectural concept that utilizes virtual machines and virtual infrastructures to connect and manage networks.

Question 14

NGFW

Answer 14

Next-generation Firewall

Considered a third-generation technology, this type of firewall implements multiple security measures, such as filtering, VPN, social media monitoring and more to
provide protection.

Question 15

NG-SWG

Answer 15

Next-generation Secure Web Gateway

A cloud-based defensive measure designed to protect users from web-based threats and to provide enforcement of corporate policies.

Question 16

NIC

Answer 16

Network Interface Card

The layer 2 device that physically connects a system to a network.

Question 17

NIDS

Answer 17

Network-based Intrusion Detection System

The technology used to scan, packet data for threats and exploits.

Question 18

NIPS

Answer 18

Network-based Intrusion Prevention System

A technology that identifies and stops attacks by inspecting network information.

Question 19

NIST

Answer 19

National Institute of Standards & Technology

A government group that publishes recommendations and standards, many related to IT security.

Question 20

NOC

Answer 20

Network Operations Center

IT network management, monitoring and control are performed here.

Question 21

NOP

Answer 21

No operation

A common element in memory corruption attacks.

Question 22

NTFS

Answer 22

New Technology File System

The file system used by Windows that incorporates multilevel security.

Question 23

NTP

Answer 23

Network Time Protocol

A UDP protocol designed to synchronize time across a network.

This protocol is necessary to support Kerberos and its requirement for close chronograph management.

Question 24

OAUTH

Answer 24

Open Authorization

An authentication mechanism that allows secure delegated access.