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: Jun 16, 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

On which Port does Oracle TNS listen?

A : 1521

B : 2433

C : 5667

D : 1566

E : 5666

Answer: A

Question 3

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 4

How does HSRP version 2 handle router preemption by default?

A : Preemption is enabled only on active routers

B : Preemption is disabled

C : Preemption is enabled only on standby routers

D : Preemption is enabled

E : Preemption behavior is determined by the router priority

Answer: D

Question 5

What is a CNAME?

A : Maps an IP to domain.

B : Maps a hostname to hostname.

C : Maps a domain to a hostname.

D : Maps an IP to a hostname.

E : Maps a domain to an IP.

Answer: B

Page: 1 / 72

Total 359 Questions | Updated On: Jun 16, 2026

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