The IP address range ____ to ____ is reserved for loopback.
2018
The IP address range ____ to ____ is reserved for loopback.
- A.
127.10.10.0, 127.255.255.255
- B.
127.0.0.0, 127.255.255.255
- C.
127.10.10.10, 127.255.255.255
- D.
127.0.0.0, 127.255.0.0
Attempted by 156 students.
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Correct answer: B
The IPv4 loopback address range is 127.0.0.0 to 127.255.255.255, defined by the CIDR block 127.0.0.0/8. This range is reserved for local testing and communication within the host itself.