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Total 30 questions
Exam Code: WCNA                Update: Nov 4, 2025
Exam Name: Wireshark Certified Network Analyst Practice Exam

Protocol Analysis Wireshark Certified Network Analyst Practice Exam WCNA Exam Dumps: Updated Questions & Answers (November 2025)

Question # 1

A host has just booted up. This host is allowed to send ARP queries for the MAC address of thelocal DNS server before sending gratuitous ARPs to test for duplicate IP addresses on the network.

A.

True

B.

False

Question # 2

The capture filterport 67 would capture all DHCP traffic seen by Wireshark.

A.

True

B.

False

Question # 3

Which statement about this traffic is correct?

A.

This is a TCP port scan.

B.

The SYN packets are sent from asingle source port number.

C.

The responses to the SYN packets should only have the RST bit set.

D.

A firewall is blocking the SYN packets from reaching the desired host.

Question # 4

Whichdisplay filter is used to display all DHCP traffic?

A.

dhcp

B.

bootp

C.

tcp.port==68

D.

udp.dst.port==67

Question # 5

DHCP is based on BOOTP.

A.

True

B.

False

Question # 6

You are performing a TCP scan on a target while capturing your traffic with Wireshark. Which statement about the analysis is correct?

A.

If you receive TCP Push responses, the target port is blocked.

B.

If you receive ICMP responses, the target port is likely firewalled.

C.

If only UDP responses are received, the target does not support TCP.

D.

If a TCP RST response is received, the target is not currently powered up.

Question # 7

Which protocol acts as the routable network layer protocol used to get packets from end-to-end on a TCP/IP network?

A.

IP

B.

RIP

C.

TCP

D.

IGMP

Question # 8

Time reference packets are permanently given a timestamp of 00:00:00. When you close and reopen the trace filethe time reference information is retained.

A.

True

B.

False

Question # 9

Network congestion is defined as a condition that can cause packet loss or slow data transfer because the network itself cannot support the data transfer rate.

A.

True

B.

False

Question # 10

This image shows frame 2781which is a Window Update packet. This packet indicates that 10.0.52.164's TCP Window Size field value has increased since the last packet sent by that host.

A.

True

B.

False

Page: 1 / 3
Total 30 questions

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