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Why Is the Address 172

Question 19

Multiple Choice

Why is the address 172.31.255.255 with a subnet mask of 255.255.255.0 invalid as a host ID?


A) Because the subnet is incorrect for the IP address class
B) Because the 172.x.x.x range is reserved for loopback purposes
C) The host ID bits are all binary 1's,making the address a broadcast address and therefore invalid as a host ID.
D) Because the network ID has a 255 in it,making this an invalid network ID

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