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UGC-NET | UGC NET CS 2015 Jun – II | Question 30
  • Last Updated : 14 May, 2018

Which of the following is/are restriction(s) in classless addressing?
(A) The number of addresses needs to be a power of 2.
(B) The mask needs to be included in the address to define the block.

(C) The starting address must be divisible by the number of addresses in the block.
(D) All of the above


Answer: (D)

Explanation: In classless IP addressing:

  • The number of addresses needs to be a power of 2.
  • The mask needs to be included in the address to define the block.
  • The starting address must be divisible by the number of addresses in the block.

All are correct restriction in classless address.
So, option (D) is correct.

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