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  1. If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?

  2. A.

     172.16.45.0

    B.

     172.16.45.4

    C.

     172.16.45.8

    D.

     172.16.45.12

    E.

     192.168.10.126

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    Answer : Option D

    Explanation :

    A /30, regardless of the class of address, has a 252 in the fourth octet. This means we have a block size of 4 and our subnets are 0, 4, 8, 12, 16, etc. Address 14 is obviously in the 12 subnet.


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