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Electromagnetic interfernce from one UTP to another twisted pair, running in parallel.
How to Fix : by sending a normal-strength signal down one pair of wiring a cable, with an electronic detector connected on the end of the cable or with a cable certifier |
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________ on the same end the signal is coming from.
How to Fix: use a cable Certifier, properly crimp cables |
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As a signal goes down the wire, the signal becomes stadily weaker.
How to Fix: Cable certifier or repeater |
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When two machines, both listening to the cable try to send a frame at the same time are normal.
How to Fix: CSMA/CD |
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Allows electricity to pass between two conductive elements that werent designed to interact together.
How to fix: replace the wire. |
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When cables of different types connect and the flow or electrons isnt uniform. Also, ______ is the natural electrical resistance of a cable.
How to fix: Using Time Domain Reflectometer(TCR) or Optical Time Domain Reflectometer(OTDR) |
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| Anything that disrupts a message as it travels along a signal. |
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| Use Ping, MS lookup(all OS), Dig(Unix/Linex/MAC) commands. Right ______ |
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| DHCP, Check IP setting, Ping, IPconfig- Right Ip address |
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Caused by one or more devices constantly sending ______ frames on the network.
first sign is when every computer in a _______ domain can't connect to the rest of the network.
to fix: Find and unplug the device(s) causing the problem. |
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Term
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Definition
Connection mulitple switches together to cause a loop to appear.
Some symptoms as broadcast storm.
To Fix: Finding the person responsible for causing the loops.
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Misconfigured router(s) sending packets to the wrong desnation.
Only way to fix: is to find the person in charge of the routing loop.
When interconnected routers hop traffic, causing routers to respond slowly or not at all.
Sometimes caused by dynamic routing protocols when a router goes down.
To fix:Notify person in charge of the router
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| Occurs when interconnected routers loop traffic causing the routers to respond slowly or not respond at all |
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Provides communication in both directions, but only one direction at a time(not Simultaneously). Typically, once a party begins reciving a signal, it must wait for the transmitter to stop transmitting, before replying.
Ex: Walkie-talkie |
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Sometimes called double-duplex, allows communication in both directions. Allows this to happen simultaneously.
Ex: Telephone |
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