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Free WCNA Practice Test Questions 2026

100 Questions


Last Updated On : 27-Apr-2026


Facing the Wireshark Certified Network Analyst Practice Exam exam in 2026 is challenging, but preparing with the right tools makes all the difference. Our WCNA practice test isn't just another set of questions. It's your strategic advantage for conquering the certification. Candidates who complete our WCNA practice questions are approximately 35% more likely to pass the exam on their first attempt compared to those who study without realistic Wireshark Certified Network Analyst Practice Exam practice exam. This isn't coincidence. It's the power of effective preparation.

Port resolution can use the TCP/IP stack services file to determine the correct destination port to use in the TCP or UDP header.


A. True


B. False





A.   True

This packet shows the expanded TCP flags area. The display filter tcp.fiags.syn==1 && tcp.flags.ack==1 and the display filter tcp.fiags=0xi2 provide identicalfiltering results.


A. True


B. False





A.   True

ThePrepare a Filterfeature creates a display filter in the display filter window, but does not apply the filter to the traffic.


A. True


B. False





A.   True

What is the purpose of creating Wireshark profiles?


A. create a customized method of name resolution


B. discover and test RSA keys for traffic decryption


C. customize Wireshark for more efficient analysis in specific environments


D. create a manageable database of packets for use in third-party programs





C.   customize Wireshark for more efficient analysis in specific environments

This packet was sent from an HTTP client.


A. True


B. False





A.   True

Which protocol is used to locate the hardware address of a local target or local router?


A. ip


B. ARP


C. DNS


D. DHCP





B.   ARP

ICMP is used as a messaging system for errors, alerts,and general notifications on an IP network.


A. True


B. False





A.   True

Which statement about this packet is correct?


A. The source and destination hosts support window scaling.


B. This packet is establishing window scaling between the two TCP hosts.


C. The Window Size field value indicates that no additional data can be received by 10.0.52.164.


D. The Sequence Number field value is too low to allow additional data segments to be received by10.0.52.164.





A.   The source and destination hosts support window scaling.

How do you quickly spot large gapsin time between packets in a trace file containing 6,000 packets?


A. Open and examine Wireshark'sExpert Infoswindow.


B. Look for packets colorized based on Wireshark's default coloring rule for high delta times.


C. Set the Time column toSeconds Since Beginning of Captureand scroll through the trace file.


D. Set the Time column toSeconds Since Previously Displayed Packetand sort the Time column.





D.   Set the Time column toSeconds Since Previously Displayed Packetand sort the Time column.

The Protocol Hierarchy Statistics window helps identify unusual protocols and applications in captured traffic.


A. True


B. False





A.   True

In the case of a high latency path, more than three identical ACKs may be sent before the retransmission is seen in a trace file.


A. True


B. False





A.   True

Which traffic characteristic is often seen when analyzing database applications that transfer individual records across the network?


A. small packet sizes


B. multicast responses


C. large delays between transmissions


D. separate connections for each record





A.   small packet sizes


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