K

Question 1

KDC

Answer 1

Key Distribution Center

The key server in a Kerberos realm that has access to
the keys for all principles.

Question 2

KEK

Answer 2

Key Encryption Key

Protects a private or secret key from unauthorized
access or disclosure.

Question 3

L2 Device

Answer 3

Switch

Filter and forward data at the MAC layer.

Question 4

L2TP

Answer 4

Layer 2 Tunneling Protocol

Supports VPN site to site connections but does not
encrypt.

Question 5

L3 Device

Answer 5

Router

This is an infrastructure device that interconnects
networks and can span different technologies.

Question 6

LAN

Answer 6

Local Area Network

A network composed of relatively short-range protocols
that facilitate swift transfer of information.

Question 7

LDAP

Answer 7

Lightweight Directory
Access Protocol

This is a protocol designed to work with AD or NDS
information from a tree.

Question 8

LEAP

Answer 8

Lightweight Extensible
Authentication Protocol

Commonly integrated with Cisco systems to facilitate
centralized authentication.

Question 9

Logic bomb

Answer 9

Insider alteration

A category of malicious activity, wherein an authorized
user adds unwanted instructions.

Logic bombs do not require communication with the attacker, backdoors do
•
These are inserted by malicious insiders
•
The greatest area of threat