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单选题
Which port role has interface Fa0/2 of switch 1 adopted for VLAN 47?()
A

Root port

B

Nondesigned port

C

Designated port

D

Backup port

E

Alternate port

F

None of the other alternatives apply


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考题 单选题A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port()。A This is a 10 Mb/s switch portB This is a 100 Mb/s switch portC This is an Ethernet port operating at half duplexD This is an Ethernet port operating at full duplexE This is a port on a network interface card in a PC

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