Free WCNA Practice Test Questions 2026

100 Questions


Last Updated On : 27-Apr-2026


Which statement about this Wireshark image is correct?


A. This is a live capture process.


B. This trace file is part of a trace file set.


C. A display filter has been applied to this traffic.


D. These packets have been saved to a trace file already.





A.
  This is a live capture process.


Which statement about this HTTP packet is correct?


A. This packet was sent from an HTTP server.


B. The packet contains a request for a graphic file.


C. This packet contains an invalid HTTP Request Method.


D. This packet indicates an HTTP client is browsing www.wiresharktraining.com.





D.
  This packet indicates an HTTP client is browsing www.wiresharktraining.com.

Columns can be reordered by dragging them into their new positions directly in the Packet List pane.


A. True


B. False





A.
  True

Both sides of a TCP connection must negotiate a common receive window size value.


A. True


B. False





B.
  False

You can use the display filter ss1. record.content_type = =22 to view just the SSL/TLS handshake packets.


A. True


B. False





A.
  True

Which Wireshark feature is used to make the process of following TCP Sequence/Acknowledgment numbers easier to interpret?


A. sequence number flagging


B. sequence number prediction


C. relative sequence numbering


D. actual sequence number interpretations





C.
  relative sequence numbering

During an ideal data transfer process, the TCP Time-Sequence graph plot points should run from the lower left corner to the upper rightcorner in a diagonal line of i-bars.


A. True


B. False





A.
  True

Display filters areapplied to decrease the time required to identify the cause of poor network performance, unusual network traffic patterns or other traffic of interest.


A. True


B. False





A.
  True

Wireshark's GeoIP feature launches an OpenStreetMap view of the world from the Endpoints window to plot IP addresses seen in the trace file.


A. True


B. False





A.
  True

Which name resolution process translates port numbers to service names if they are listed in Wireshark's services file?


A. SMI name resolution


B. network name resolution


C. transport name resolution


D. MAC address name resolution





C.
  transport name resolution

Wireshark cancapture traffic on an interface even if that interface is not listed on the Start Page.


A. True


B. False





B.
  False

When you disable the UDP protocol decoding process, applications that use UDP (such as DHCP and DNS) will not be decoded.


A. True


B. False





A.
  True


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