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:
| 127.0.0.1 | loopback address |
| 240.2.6.255 | an experimental address |
| 198.133.219.2 | a public address |
| 169.254.1.5 | a link-local address |
