A computer has an IP address of 192.168.1.6/24, and its gateway address is 192.168.1.1. It is trying to reach a server on an IP address of 127.20.34.4. The server is not responding. What is the problem?

A. The IP address of the computer is wrong.
B. The IP address of the default gateway is wrong.
C. The IP address of the internal server is wrong.
D. The problem is not the networking configuration.

C. The computer and the gateway address are correct; the IP address of the remote server is wrong. It is a loopback address and can only be internally used by the local computer. The valid range for loopback is 127.0.0.1 to 127.255.255.254.