You are working as a senior network technician at Certkiller .com. A trainee has been asked to
setup a Wireless LAN in the HR department. He wants to know which of the following he would
use to encrypt the wireless network. What will your answer be?

A.
Kerberos

B.
WPA

C.
3DEF

D.
CHAP 3

Explanation:
Wi-Fi Protected Access( WPA and WPA2) is a class of systems to secure wireless (Wi-Fi)
computer networks. It was created in response to several serious weaknesses researchers had
found in the previous system, Wired Equivalent Privacy (WEP). Kerberos is the name of a
computer network authentication protocol, which allows individuals communicating over an
insecure network to prove their identity to one another in a secure manner. It is also a suite of free
software published by Massachusetts Institute of Technology (MIT) which implements this
protocol. Its designers aimed primarily at a client-server model, and it provides mutual
authentication – both the user and the server verify each other’s identity. There is nothing called
3DEF, 3DES or Triple DES is a block cipher formed from the Data Encryption Standard (DES)
cipher by using it three times. Challenge-Handshake Authentication Protocol (CHAP)
authenticates a user or network host to an authenticating entity.