Question 1

Ahlen is using a set of pre-calculated hashes to attempt to derive the passwords from a Windows SAM file. What is a set of pre-calculated hashes used to derive a hashed password called?

Options :

A : Hash matrix

B : Rainbow table

C : Hash table

D : Password table

Answer: B

Question 2

In IPSec, if the VPN is a gateway-gateway or a host-gateway, then which one of the following is true?

Options :

A : Encapsulating Security Payload (ESP) authentication must be used

B : Only transport mode can be used

C : Only the tunnel mode can be used

D : IPSec does not involve gateways

Answer: C

Question 3

Juanita has been assigned the task of selecting email encryption for the staff of the insurance company she works for. The various employees often use diverse email clients. Which of the following methods is available as an add-in for most email clients?

Options :

A : PGP

B : Caesar cipher

C : DES

D : RSA

Answer: A

Question 4

How can rainbow tables be defeated?

Options :

A : Use of non-dictionary words

B : Lockout accounts under brute force password cracking attempts

C : All uppercase character passwords

D : Password salting

Answer: D

Question 5

Which of the following techniques is used (other than brute force) to attempt to derive a key?

Options :

A : Cryptoanalysis

B : Hacking

C : Cryptography

D : Password cracking

Answer: A