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Network+ Exam

Network Cable Limitations

October 29, 2025

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Network Cable Limitations

CAT 5 100 BASE-TX 100

Coaxial Cable

100 MBPS, 500 METERS

Twinaxial 10 gbps, 5 meters

100 GBPS, 7 meters

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Shielded and unshielded

shielded have each pair in a shield folding

plenum is fire retardant

Riser cables used to run network cables vertically in a building. Building codes are specefic to the building.

Riser cables cannot be used in plenum spaces since they are not made from PVC or FEP.

Rollover/Console cable - type of nulll-modem cablem used to connect a computer to a console. one side is rj45 the other side is a Db9 serial. looks like a D port. out of band coms.

Crossover cable - network cable used to connect two network devices such as two compuers, two routers.

568A ON ONE SIde and 568B on the other side.

PoE power ove Ethernet - passes electrical power over the ethernet wireless access point, iP camera, VOIP phone. atleast a cat 5e or better

can provice 15.4 to 60 watts of poew using two twisted pairs. 60 - 100 watts of fupll powe using all pairs.