GATE | Gate IT 2007 | Question 58

For the network given in the figure below, the routing tables of the four nodes A, E, D and G are shown. Suppose that F has estimated its delay to its neighbors, A, E, D and G as 8, 10, 12 and 6 msecs respectively and updates its routing table using distance vector routing technique.

A.

B.

C.

D.

(A) A
(B) B
(C) C
(D) D


Answer: (A)

Explanation: Distance from F to F is 0 which option C is dropped
Using DV routing protocol, F -> D -> B yields distance as 20 that drops option B and D.


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