A network administrator is creating a subnet plan for the address 172.16.0.0/16. The network must support 459 hosts on each subnet while providing the maximum number of subnets. What subnet mask should be used?
459--> 2^9=512 , so we need 9 bits for host part of IP
172.16.1111 111|0.0000 0000
255-1=254
so 255.255.254.0 , D) is correct
upvoted 1 times
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moka_123
2 months, 2 weeks ago