This may be part of the solution but should not be the next thing you try.ġ4. Often cables are hard to reach and users can cause problems with other cables while trying to reach their own network connection. However, until you determine whether or not the computer can run an internal communication check (ping localhost), you should not ask the user to check the cable. This will return the error "Bad parameter localhost." Answer D is incorrect, because at some point, you may want the user to check her network cable connection. The ping command interprets the word following the loopback address as a parameter, not as a name. Answer C is incorrect, because the ping command uses either the IP address or the host name. In troubleshooting, you always want to try to break the problem in half to narrow down the possible solutions faster. However, you would likely do this after you run the loopback test so you can decide where the problem exists-internal or external to the computer itself. If a computer cannot ping itself, there is no point in troubleshooting network connections, therefore Answer B is correct.Ġ Answer A is incorrect, because you may want to verify her IP address, which would depend on whether or not her computer uses DHCP or was manually set. If it cannot, there is a problem within her computer-perhaps the NIC card is bad or the TCP/IP stack has a problem. Ask her to check her connection to the network cable.Ġ B.The next step would be to see if her computer can ping itself using the loopback address of 127.0.0.1.
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