When connectingtwo devices of the same type(e.g., two routers, two switches, or two DTEs), acrossover cableis required. This cable swaps the transmit and receive pairs to allow direct communication between devices without the need for an intermediate device like a switch.
Straight-through cablesare used to connect different types of devices (e.g., PC to switch).
Rolled cablesare used for console access.
USB Type A to Bcables are typically used for peripheral device connections, not networking.
[Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) – Cisco Equipment and Related Hardware, , , ]
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