Which type of cable is used to connect a computer to a switch directly without requiring a crossover function in the network interface card or the switch?
A straight-through cable is used to connect a computer to a switch. This type of cable has the wires connected identically on both ends, allowing for devices of different types (like a computer and a switch) to communicate with each other. A crossover cable has pairs of wires that cross over, which would be used for directly connecting two similar devices such as two computers. A rollover cable, conversely, has its wires connected completely opposite from one end to another and is typically used for configuration tasks on a router or a switch via the console port. A Power over Ethernet (PoE) cable is simply a standard data cable (straight-through or crossover) that also carries electrical power along with data.
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What is the difference between a straight-through cable and a crossover cable?
When would I use a rollover cable, and how is it different from straight-through and crossover cables?
What does Power over Ethernet (PoE) mean and how does it relate to the types of cables?