单选题A user has no network connectivity. A check of the associated port indicates that the interface is up,the line protocol is down. Which item would most likely cause this problem?()ASpeed mismatchBIncorrect encapsulationCMTU set too lowDDuplex mismatch

单选题
A user has no network connectivity. A check of the associated port indicates that the interface is up,the line protocol is down. Which item would most likely cause this problem?()
A

Speed mismatch

B

Incorrect encapsulation

C

MTU set too low

D

Duplex mismatch


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