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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) ModifiedThe question was asked at a job interview.I'd like to ask this question from Basics in section Computer Networks Introduction of Computer Network

Answer» CORRECT option is (a) Added

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.


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