Match each description with an appropriate IP address. (Not all options are used.)

Case 1:

Match each description with an appropriate IP address. (Not all options are used.)

Answer

169.254.1.5 -> a link-local address
192.0.2.123 -> a TEST-NET address
240.2.6.255 -> an experimental address
172.19.20.5 -> a private address
127.0.0.1 -> a loopback address

Explanation: Link-Local addresses are assigned automatically by the OS environment and are located in the block 169.254.0.0/16. The private addresses ranges are 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. TEST-NET addresses belong to the range 192.0.2.0/24. The addresses in the block 240.0.0.0 to 255.255.255.254 are reserved as experimental addresses. Loopback addresses belong to the block 127.0.0.0/8.

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Case 2:

Match each description with an appropriate IP address. (Not all options are used.)

Answer

192.31.18.123 -> a legacy class C address
198.256.2.6 -> an invalid IPv4 address
64.100.3.5 -> a legacy class A address
224.2.6.255 -> a legacy class D address
128.107.5.1 -> a legacy class B address

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Case 3:

Match each description with an appropriate IP address.

Explanation: Place the options in the following order: