loopback
Windows IP Address Configuration – CompTIA A+ 220-902 – 1.6
Your Windows operating system can’t do very much without an IP address. In this video, you’ll learn how Windows assigns IP addresses to network interface adapters.
Hardware Troubleshooting Tools – CompTIA A+ 220-901 – 4.1
To fix your computer, you’re going to need the right tools. In this video, you’ll learn about multimeters, power supply testers, loopback plugs, and POST cards.
Hardware Troubleshooting Tools – CompTIA A+ 220-802: 4.2
If you need to troubleshoot your computer, then you’ll need the right tools for the job. In this video, you’ll learn about multimeters, power supply testers, loopback plugs, and POST test cards.
Professor Messer’s A+ Study Group – February 2013
This month: How The Job can help you get a job, Windows editions, using a loopback plug, terminating SCSI, understanding Continuing Education Units, and degrees vs. certificates.
Common Networking Tools – CompTIA A+ 220-801: 2.10
If you’re managing a network, then you’ll need to maintain a good toolkit of network devices. In this video, you’ll learn about crimpers, multimeters, toner probes, cable testers, loopback plugs, and punch down tools.