When an application program transmits a message,what will the first field be in the message that is sent over the transmission link?
A)application header
B)packet header
C)transport header
D)frame header

Question

Quizplus · Accepted Answer

The frame header is the first field in a message that is sent over a transmission link. It contains information about the frame, such as the source and destination addresses, the frame type, and the frame length.

When an Application Program Transmits a Message,what Will the First