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 12, 2026

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Question 1

How many possible hosts are in class A network?

A : 16384

B : 65536

C : 512

D : 8096

E : 16777214

Answer: E

Question 2

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

Question 3

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 4

Why is the LM hash considered insecure?

A : It is susceptible to rainbow table attacks

B : It uses a weak encryption algorithm

C : It does not support special characters in passwords

D : It cannot store passwords longer than 7 characters

E : It stores passwords in plaintext

Answer: A

Question 5