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Table Of Contents  CertiGuide to Network+
 9  Chapter 1001: Networking in the Real World

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VII  Environmental Considerations
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VIII  Proactive Testing

Diagnostic testing needs to be part of a routine to keep you out of reactive mode as much as possible. This requires having the proper tools to accomplish the mission.

Cable Tester

Different cable testers offer different levels of troubleshooting. For $100 or less, you can get a basic cable tester that will check both coax and UTP cable. More money gets you a TDR (Time Domain Reflectometer). This rather expensive piece of equipment sends a signal, and measures the time it takes to come back. That is translated into distance, with good accuracy. The more accurate, the more you must invest.

A Time Domain Reflectometer can be your friend

A TDR will locate cable faults within a few feet.


Loop Back Connector

A loop back connector crosses the sending and receiving pins on either a serial or RJ connector. Plug it in, and test.

Loopback connectors are your friend

A loop back connector can test, transmit, and receive functionality of either a serial port or a NIC, when using the appropriate connector.



Previous Topic/Section
VII  Environmental Considerations
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Pages in Current Topic/Section
1
Next Page
Pop Quiz 1001.01
Next Topic/Section

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