单选题A network administrator needs to add an additional connection to a room. The administrator adds a new Ethernet switch and must connect it to an existing switch. Which cable type should be used to connect the two switches?()A CAT3 cableB Serial cableC C

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单选题
A network administrator needs to add an additional connection to a room. The administrator adds a new Ethernet switch and must connect it to an existing switch. Which cable type should be used to connect the two switches?()
A

CAT3 cable

B

Serial cable

C

Crossover cable

D

Rollover cable

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