Which of the following is a private IP address range defined by RFC 1918?

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Multiple Choice

Which of the following is a private IP address range defined by RFC 1918?

Explanation:
Private IPv4 addressing is about addresses that are not reachable on the public Internet and are used inside local networks. RFC 1918 specifies three blocks for private use: 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. These ranges let organizations set up internal addressing and use NAT at the network edge to reach external networks. The address 10.0.0.0/8 falls squarely into those private ranges, making it the correct choice. The other options are reserved for documentation and example networks (like 203.0.113.0/24, 192.0.2.0/24, and 198.51.100.0/24), which are not private addresses and should not be used for internal, routable addressing.

Private IPv4 addressing is about addresses that are not reachable on the public Internet and are used inside local networks. RFC 1918 specifies three blocks for private use: 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. These ranges let organizations set up internal addressing and use NAT at the network edge to reach external networks.

The address 10.0.0.0/8 falls squarely into those private ranges, making it the correct choice. The other options are reserved for documentation and example networks (like 203.0.113.0/24, 192.0.2.0/24, and 198.51.100.0/24), which are not private addresses and should not be used for internal, routable addressing.

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