Question 1

Which of the following algorithms uses three different keys to encrypt the plain text?

Options :

A : 3DES

B : Skipjack

C : Blowfish

D : AES

Answer: A

Question 2

A _________ is a digital representation of information that identifies you as a relevant entity by a trusted third party.

Options :

A : Ownership stamp

B : Digest

C : Hash

D : Digital Signature

Answer: D

Question 3

Which of the following areas is considered a strength of symmetric key cryptography when compared with asymmetric algorithms?

Options :

A : Speed

B : Key distribution

C : Security

D : Scalability

Answer: A

Question 4

Which one of the following is a component of the PKI?

Options :

A :

CA

B : TGS

C : TGT

D : OCSP

Answer: A

Question 5

Which of the following is an asymmetric algorithm that was first publically described in 1977?

Options :

A : RSA

B : Twofish

C : Elliptic Curve

D : DESX

Answer: A

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