What is the function of a straight-through cable?

A straight-through cable is primarily used to connect different types of devices, such as connecting a computer to a switch or a router. This is because each end of the cable is wired according to the T568A or T568B standards, ensuring that the device sends and receives data properly according to the differing pin configurations.

When connecting dissimilar devices, such as a host to a networking device, the transmission and receiving pin configurations align correctly, allowing for effective communication over the network. The cable transmits signals in a specific, straightforward manner from one device to another, making it essential for pairing devices with different functions.

While other types of cables, such as crossover cables, are used to connect similar devices directly, straight-through cables are fundamental for networking configurations where distinct roles or functions of devices are involved. Other options, such as boosting signal strength or connecting devices with multiple connections, do not align with the primary purpose of straight-through cables.