Answers and Explanations
Objective 4.1
| A1: | Answers: A, B. In TCP/IP, a local loopback function is built into the TCP/IP protocol stack, and the address range 127.x.x.x is reserved for its use. The localhost entry corresponds to the IP address of the system itself, not to the loopback functionality. However, most operating systems resolve the localhost option to 127.0.0.1. Pinging the router would prove whether the TCP/IP protocol stack is functioning, but the intention is to start the troubleshooting process with the local loopback. Pinging another workstation would prove whether or not the TCP/IP protocol stack is functioning, but the intention is to start the troubleshooting process with the local loopback. |
| A2: | Answer: C. The netstat command ... |
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