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UGC NET CSE | December 2015 | Part 3 | Question: 13

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In a classful addressing the IP address with $0$(zero) as network number:

  1. refers to the current network
  2. refers to broadcast on the local network
  3. refers to the broadcast on a distant network
  4. refers to loopback testing
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In a class-full addressing the IP address with 0(zero) as network number refers to
 broadcast on the local network.

All o's in Host id part is not Considerd as valid IP addres

Answer :B

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Ans is 1 refers to current network

The IP address 0.0.0.0  is used by hosts when they are being booted .IP address with 0 as network number refers to current network.

The value -1 is used as a broad cast address to mean all hosts on the indicated network

refer Tanenbaum pg 438 4th edition
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