GATE | GATE CS 2012 | Question 65

1

In the IPv4 addressing format, the number of networks allowed under Class C addresses is
(A) 2 14
(B) 2 7
(C) 2 21
(D) 2 24


Answer: (C)

Explanation: In class C, 8 bits are reserved for Host Id and 24 bits are reserved for Network Id. Out of these 24 Network Id bits, the leading 3 bits are fixed as 110. So remaining 21 bits can be used for different networks. See this for more details.

Quiz of this Question

GATE CS Corner    Company Wise Coding Practice

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