October 1998
Beginner
512 pages
14h 22m
English
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Diagnostic Tools
Because most problems have a simple cause, developing a clear idea of the problem often provides the solution. Unfortunately this is not always true, so in this section we begin to discuss the tools that can help you attack the most intractable problems. Most of the tools discussed in this chapter are software tools, but you should also keep some hardware tools handy.
You need enough simple hand tools to maintain the network’s equipment and wiring. A pair of needle-nose pliers and a few screw drivers may be sufficient, but you may also need specialized tools to maintain your wiring. For example, attaching RJ45 connectors to Unshielded Twisted Pair (UTP) cable requires special crimping tools. If you buy a network maintenance toolkit from your cable vendor, it will probably contain everything you need.
A full featured cable tester is also useful. Modern cable testers are small handheld units with a keypad and LCD display that test both thinnet and UTP cable. Tests are selected from the keyboard and results are displayed on the LCD screen. It is not necessary to interpret the results, because the unit does that for you and displays the error condition in a simple text message. For example, a cable test might produce the message “Short at 74 feet.” This tells you that the cable is shorted 74 feet away from the tester. What could be simpler? The proper test tools make it easier to locate, and therefore fix, cable problems.
A laptop computer is also a useful piece of test ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.