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Which of the following statements are correct regarding subnet mask $255.255.240.0?$
i. Class A network subnet mask$: 4096$ subnets and $4096$ systems per subnetwork
ii. Class B network subnet mask$: 16$ subnets and $4096$ systems per subnetwork
iii. Class C network subnet mask$: 1$ subnet and $ 256$ systems per subnetwork

  1.  All are correct
  2. i, ii
  3. i, iii
  4. ii, iii
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I think ans is (A)
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None is correct . As the number of subnets exclude broadcast and 0000 wala  host. If this convention is ignored then option “a” is correct

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