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UGC-NET | UGC NET CS 2015 Dec – III | Question 12

Consider a subnet with 720 routers. If a three-level hierarchy is chosen with eight clusters, each containing 9 regions of 10 routers, then total number of entries in the routing table is __________.

(A)

25

(B)

27

(C)

53

(D)

72

Answer

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