When an application program transmits a message,what will the SECOND 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 second field in a message sent over a transmission link is typically the packet header, which contains information about the packet such as its source and destination addresses, length, and error checking codes. The other options (application header, transport header, and frame header) may also exist in the message, but are typically found in different layers of the network stack and would not necessarily be in the second field.

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