Free WCNA Exam Braindumps
Wireshark Certified Network Analyst Questions 31–35 (page: 8)

Updated On: 10-Feb-2026

Refer to the exhibit.



This image shows frame 2781 which 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.

  1. True
  2. False

Answer(s): A



Which statement about packet timestamps is correct?

  1. Sorting on packet timestamps alters the packet numbers in the trace file.
  2. Packet timestamps for pcap files can denote time to the nanosecond level.
  3. You can alter packet timestamps of separate packets in a trace file using Editcap.
  4. Packet timestamps are provided by WinPcap, libpcap, or AirPcap at the time packets are captured.

Answer(s): D



Wireshark contains numerous pre-defined columns that can be added easily to the Packet List pane.

  1. True
  2. False

Answer(s): A



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

  1. SMI name resolution
  2. network name resolution
  3. transport name resolution
  4. MAC address name resolution

Answer(s): C



Refer to the exhibit.



This is a DNS inverse query packet used to resolve an IP address to a host name.

  1. True
  2. False

Answer(s): B



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