Free Protocol Analysis WCNA Exam Questions

Become Protocol Analysis Certified with updated WCNA exam questions and correct answers

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Total 293 Questions | Updated On: Aug 20, 2026

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Question 1

Which of the following SIP request methods is used to publish an event to the server ?

A : Invite

B : Ack

C : Register

D : None of the above

Answer: D

Question 2

High number of RSTs or a high number of SYN/ACKs with no related data transfer, this clearly indicates that TCP scan is in progress.

A : True

B : False

Answer: A

Question 3

Which statement about DHCP communications is correct?

A : DHCP request packets are sent to the IP multicast address

B : DHCP servers ping DHCP clients after assigning IP addresses

C : Relay agents forward messages between DHCP clients and DHCP servers

D : Three identical DHCP Discover packets will trigger a duplicate DHCP ACK

Answer: C

Question 4

Identify this Logical Operator '^^'

A : Logical OR

B : Logical XOR

C : Logical AND

D : Not (Negation)

Answer: B

Question 5

Which statement about the DNS packet shown below is correct? 2021-03-30-11-51-22-62c569c88fde588259345d742dfd19c8

A : This is an inverse DNS query

B : This is a DNS response packet

C : This DNS packet indicates that a domain name could not be resolved

D : This is a request to resolve the IP address 2.26.64.24

Answer: A

Page: 1 / 59

Total 293 Questions | Updated On: Aug 20, 2026

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