Beginner
Computer Networks
Q19 / 100
What is the loopback address in networking?
Correct! Well done.
Incorrect.
The correct answer is B) 127.0.0.1 (IPv4) or ::1 (IPv6) — a virtual address routing traffic back to the same host
B
Correct Answer
127.0.0.1 (IPv4) or ::1 (IPv6) — a virtual address routing traffic back to the same host
Explanation
The loopback address (127.0.0.1) allows a host to communicate with itself. Used for testing network applications without actual network hardware.
Progress
19/100