Question Bank - Computer Networks

Here's the question bank on all the computer networks topics.

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Host A(on TCP/IP v4 network A) sends an IP datagram D to host B (also on TCP/IP v4 network B) Assume that no error occurred during the transmission of D. When D reaches B, which of the following IP header field(s) may be different from that of the original datagram D?i) TTL ii) Checksum iii) Fragment Offset

A.
(i) only
B.
(i) and (ii) only
C.
(ii) and (iii) only
D.
(i), (ii) and (iii)

Solution:

TTL will change after each hop so checksum will also change.Since MTU of the router is different therefore datagram may be different and hence fragment offset is different for different packets.

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