Free Wireshark Certified Network Analyst Exam WCNA Exam Questions

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

If a DHCP client does not receive an acknowledgment before the expiration of the rebinding time, the DHCP client must release its IP address and send a DHCP broadcast to locate a DHCP server or Relay Agent.

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

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.

IP routers strip off the MAC header of incoming packets and apply a new MAC header before forwarding the packet onto the next network.

How do you determine which Profile is in use while you are capturing traffic?

Which transport is used for multicast and broadcast traffic?

The value *REF* in the Time column indicates that a packet has been marked.

By default, Mergecap combines trace files based on the order they are listed on the command-line.

TCP data is sequenced and acknowledged to ensure delivery.