In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ___________
A. Added
B. Removed
C. Rearranged
D. Modified
Answer:A
In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ___________
A. Added B. Removed C. Rearranged D. Modified
Explanation: Each layer adds its own header to the packet from the previous layer. For example, in the Internet layer, the IP header is added over the TCP header on the data packet that came from the transport layer.