For a /24 subnet in IPv4, how many usable host addresses does it provide?

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Multiple Choice

For a /24 subnet in IPv4, how many usable host addresses does it provide?

Explanation:
In IPv4, the number of addresses in a /24 subnet is 2^(32-24) = 256. The first address is the network address and the last is the broadcast address, and neither can be assigned to hosts. Subtract those two, and you have 256 - 2 = 254 usable host addresses. For a 192.168.1.0/24 network, the usable range is 192.168.1.1 through 192.168.1.254, totaling 254 hosts. (Note: in special cases like point-to-point links you might use /31 or /32, but for a standard /24 this is the count.)

In IPv4, the number of addresses in a /24 subnet is 2^(32-24) = 256. The first address is the network address and the last is the broadcast address, and neither can be assigned to hosts. Subtract those two, and you have 256 - 2 = 254 usable host addresses. For a 192.168.1.0/24 network, the usable range is 192.168.1.1 through 192.168.1.254, totaling 254 hosts. (Note: in special cases like point-to-point links you might use /31 or /32, but for a standard /24 this is the count.)

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