Which type of cable must you use to connect two devices with MDI interfaces?
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A. B. C. D.C
When connecting two devices with MDI (Medium Dependent Interface) interfaces, the correct type of cable to use depends on the type of device on each end.
MDI is a type of Ethernet interface that connects directly to the network media, such as a coaxial cable or a fiber optic cable. When two devices with MDI interfaces need to be connected, the type of cable used depends on whether both devices are using the same type of MDI interface or different types.
If both devices have the same type of MDI interface (i.e., both are using MDI-X or both are using MDI), a straight-through cable is used. A straight-through cable is a type of Ethernet cable in which the wires are connected from one end to the other in the same order. This type of cable is used to connect devices that have different functions, such as a computer to a switch, or a router to a modem.
If the devices have different types of MDI interfaces (i.e., one is using MDI and the other is using MDI-X), a crossover cable is used. A crossover cable is a type of Ethernet cable in which the wires are crossed over from one end to the other. This type of cable is used to connect devices that have the same function, such as a computer to another computer, or a switch to another switch.
Cut-through and rollover cables are not used to connect two devices with MDI interfaces. A cut-through cable is a type of Ethernet cable that is used to connect a computer to a switch, and a rollover cable is a type of console cable used to connect a computer to a router or switch console port for configuration purposes.
Therefore, the correct answer to the question is C. crossover.