Free CREST CREST-CPSA Exam Questions

Become CREST Certified with updated CREST-CPSA exam questions and correct answers

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Total 359 Questions | Updated On: Jan 04, 2026

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Question 1

What are the SIP and RTP protocols used for in VoIP?

A : SIP and RTP are competing protocols that are both used for audio data transmission.

B : RTP is used for setting up and closing down calls, and SIP is used for audio data transmission.

C : SIP and RTP are competing protocols that are both used for setting up and tearing down calls.

D : SIP is used for setting up and closing down calls, and RTP is used for audio data transmission.

E : SIP is used for setting up and closing down calls, but RTP is nothing to do with VoIP.

Answer: D

Question 2

Which of the following algorithms could be used to negotiate a shared encryption key?

A : AES

B : SHA1

C : Diffie-Hellman

D : DES

E : Triple-DES

Answer: C

Question 3

What is the maximum character size of LM Hashes?

A : 14

B : 48

C : 10

D : 8

E : 50

Answer: A

Question 4

Which of these is an Ethernet multicast MAC address?

A : 000b.dbb2.fa60

B : 00-10-db-74-d0-52

C : 01:00:0c:cc:cc:cc

D : 00:10:db:74:d0:52

Answer: C

Question 5

What is the primary difference between a carriage return and a line feed?

A : Carriage return moves the cursor to the next line, while line feed moves it to the beginning of the current line

B : Carriage return and line feed are interchangeable terms

C : Carriage return inserts a blank space, while line feed deletes the previous character

D : Carriage return signifies the end of a line, while line feed signifies the beginning of a new line

E : Carriage return moves the cursor to the beginning of the current line, while line feed moves it down to the next line

Answer: E

Page: 1 / 72

Total 359 Questions | Updated On: Jan 04, 2026

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