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Which of the following types of connections can use full duplex?

1.Hub to hub

2.Switch to switch

3.Host to host

4.Switch to hub

5.Switch to host

  • A.1, 2 and 4
  • B.3 and 4
  • C.3 and 5
  • D.2, 3 and 5

Answer: D

Hubs cannot run full-duplex Ethernet. Full duplex must be used on a point-to-point connection between two devices capable of running full duplex. Switches and hosts can run full duplex between each other, but a hub can never run full duplex.

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