CCNA 2.3: Troubleshoot interface and cable issues (collisions, errors, duplex, speed)

Overview: Interface and cable issues can be due to collisions, errors, duplex mismatch or speed mismatch   Study Notes: Collisions In full-duplex Ethernet, collision detection is disabled A collision is the mechanism used by Ethernet to control access and allocate shared bandwidth among stations that want to transmit at the same time on a shared […]

CCNA 1.7: Select the appropriate cabling type based on implementation requirements

Overview: Understand cabling types based on their implementation.  In other words, certain cables are used for certain situations.  Use the wrong cable and it’s not going to work.  Unless you get saved by the smarts in the device.  Most network devices these days have an autodetect function, which understands if there is a straight-through or […]

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