3.8. Exam Essentials
Understand the various types of cables used in today's networks
Coaxial (other than for cable modems) is rarely used, but twisted-pair and fiber optics are very common in today's networks.
Understand the various types of ends that are used on each type of cable
Coax uses BNC; twisted-pair uses RJ-11 for voice and RJ-45 for data; and fiber uses various ends, depending on its use.
Understand what a 568A cable is
A 568A cable is also known as an Ethernet straight-through cable and is used to connect hosts to switches, for example.
Understand what a 568B cable is
A 568B cable is also known as an Ethernet cross-over cable and is used to connect switches to switches, for example.
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