A datacenter technician needs to wire several switches together to increase port capacity. These switches do not have auto-MDI capability. Which of the following types of cable is the technician MOST likely to use to connect the switches together?

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B. Cat 5 crossover When connecting two like devices, such as two switches, without auto-MDI/MDIX (Medium Dependent Interface / Medium Dependent Interface Crossover) capability, a crossover cable is necessary. This cable internally swaps the transmit and receive pairs, allowing the transmit pins of one switch to connect to the receive pins of the other, and vice versa. Cat 5 is a standard for Ethernet cabling.

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A. Cat 6 straight-through A straight-through cable is used to connect unlike devices (e.g., a switch to a host) or devices with auto-MDIX, and would not work for direct switch-to-switch connection without auto-MDIX.

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C. Cat 5e straight-through Similar to A, a straight-through cable (regardless of Cat 5e specification) is incorrect for connecting two switches without auto-MDIX.

Answer

D. Cat 6 rollover A rollover cable is used for console connections to network devices, not for connecting network devices for data transfer.

A datacenter technician needs to wire several switches together to increase port capacity. These switches do not have auto-MDI capability. Which of the following types of cable is the technician…

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