Answer :
A straight-through cable is typically used for connecting different types of devices, such as a router to a regular port on a switch or a workstation to another workstation. However, it is not used for connecting a hub to a hub or a router to the uplink port on a hub.
A straight-through cable is wired in such a way that the pins on one end of the cable match the corresponding pins on the other end. This type of cable is commonly used for connecting dissimilar devices. For example, when connecting a router to a regular port on a switch, a straight-through cable is used to ensure that the transmit (TX) pin on one device connects to the receive (RX) pin on the other device. Similarly, when connecting workstations together, a straight-through cable is used to establish a direct connection between them. However, when connecting a hub to a hub or a router to the uplink port on a hub, a crossover cable is typically used. A crossover cable reverses the transmit and receive pins, allowing for proper communication between similar devices.
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