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Computer Networking : A Top-Down Approach

Computer Networking : A Top-down Approach

Authors:
James F. Kurose, Keith W. Ross
Exercise:
Review
Chapter:
The Link Layer: Links,access Networks, And Lans
Edition:
6
ISBN:
9780132856201
Question:
1

 

Question

Consider the transportation analogy in Section 5.1.1. If the passenger is analagous to a datagram, what is analogous to the link layer frame?

Answer

The transportation mode(like train,car,bus) is analogous to the link layer frame, when passenger is analogous to a datagram.

Beacuse in link layer protocol, frame is the unit of transmission which transmits datagram between nodes.

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