You are given the IP address of 172.16.2.160 with a subnet mask of 255.255.0.0.
What is the network address in binary?
* 10101100 00010000
* 00000010 10100000
* 10101100 00000000
* 11100000 11110000

1 Answer

Answer :

Correct answer: A
To find the network address, convert the IP address to binary–10101100 000100000
00000010 10100000–then ANDed it with the subnet mask–11111111 11111111
00000000 00000000. The rest is 10101100 00010000 00000000 00000000, which is
172.16.0.0 in decimal.
The first octet rule states that the class of an address can be determined by the
numerical value of the first octet

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