List the private IPv4 address ranges defined in RFC 1918.

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Multiple Choice

List the private IPv4 address ranges defined in RFC 1918.

Explanation:
Private IPv4 addresses used inside networks are defined by RFC 1918 for internal, non–globally routable addressing. There are three blocks: 10.0.0.0/8, which covers 10.0.0.0 through 10.255.255.255; 172.16.0.0/12, which covers 172.16.0.0 through 172.31.255.255; and 192.168.0.0/16, which covers 192.168.0.0 through 192.168.255.255. The correct choice lists exactly these three ranges. The first option uses 172.32.0.0/12, which is outside the defined private block. The second option has an invalid CIDR notation for the first block (10.0.0/8). The third option uses 172.31.0.0/12, which is not the canonical network address for the private 172.16.0.0/12 block.

Private IPv4 addresses used inside networks are defined by RFC 1918 for internal, non–globally routable addressing. There are three blocks: 10.0.0.0/8, which covers 10.0.0.0 through 10.255.255.255; 172.16.0.0/12, which covers 172.16.0.0 through 172.31.255.255; and 192.168.0.0/16, which covers 192.168.0.0 through 192.168.255.255. The correct choice lists exactly these three ranges. The first option uses 172.32.0.0/12, which is outside the defined private block. The second option has an invalid CIDR notation for the first block (10.0.0/8). The third option uses 172.31.0.0/12, which is not the canonical network address for the private 172.16.0.0/12 block.

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