Cross pairs, Opens/shorts and Split pairs tests.
daily
verify the cables that are NOT tocuhing the metal door. Sometimes the cables are old and they crack, just put black tape (electric tape) and that should fix the problem.
Use vulnerability scanning
Check that all cables, power and data cables are pluged in and working, verify that mains power is switched on to the monitor.
Ping and/or traceroute
Use vulnerability scanning
define the problem
No, a nurse should not verify a death that should be done by a doctor.
A network multimeter will test cables, ports and network adapters and a loopback plug can work on ports provided by a computer, wall jack, patch panel, switch, router, or a other device that is turned on. Pg 505 A+ Guide to Hardware, 6th edition.
there are several ways: using network packet analyst. using metasploit using wireshark using scanners ect
You should verify that your router was purchased at a Best Buy. Before you call, make sure to have all the information about the router and your network connection available, and they should be able to help you.
Insert the module with the power on, then issue the show running-config command to verify that all new interfaces are recognized