For the IPv4 network 10.0.0.0/8, how many usable host addresses are available?

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Multiple Choice

For the IPv4 network 10.0.0.0/8, how many usable host addresses are available?

Explanation:
In IPv4, the number of usable host addresses in a subnet is the total addresses in that subnet minus the network address and the broadcast address. For 10.0.0.0/8, there are 2^(32-8) = 2^24 = 16,777,216 total addresses. Subtract the two reserved addresses (network and broadcast), and you get 16,777,214 usable host addresses. The other numbers correspond to other scenarios: 16,777,216 is the total count, 65,536 is the size of a /16, and 254 is the usable hosts in a /24.

In IPv4, the number of usable host addresses in a subnet is the total addresses in that subnet minus the network address and the broadcast address. For 10.0.0.0/8, there are 2^(32-8) = 2^24 = 16,777,216 total addresses. Subtract the two reserved addresses (network and broadcast), and you get 16,777,214 usable host addresses. The other numbers correspond to other scenarios: 16,777,216 is the total count, 65,536 is the size of a /16, and 254 is the usable hosts in a /24.

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