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Given with IP address of 172.16.1.1 with a subnet mask of 255.255.255.128, how many host bits were used for the computation of Max host?
7
9
8
6
The IP address 172.16.1.1 with a mask of 255.255.255.128 gives us a total of 128 address (126 valid host addresses) or 2^7 = 128. (http://www.cisco.com/c/en/us/support/docs/ip/routing-information-protocol-rip/13788-3.html#ustand_subnet)
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