Refer to the exhibit:

The partial frame in the graphic represents select header information within a frame arriving at a destination host. What can be determined from this information?

A.
The source host is a Telnet server.

B.
This frame contains the first segment in a Telnet session.

C.
The local host has received 42,335 bytes from the remote host as a part of this conversation.

D.
The Layer 2 address of the source host is 192.168.14.2.

Explanation:
From the chart above, we can may source and destination MAC, source and destination IP address, dialog port number, and so on. telnet port number is 23. so this is a frame information concerning TELNET.