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单选题

While deploying a new switch,you accidently connect ports 3/12 and 3/18 together,creating a loop.STP detected it and placed port 3/18 in blocking mode. Why did STP not place port 3/12 in blocking mode instead?()

发布日期:2020-04-11

While deploying a new switch,you accidently connec...
A

Port 3/12 was already up and forwarding before the loop was created.

B

Port priority is based on lowest priority and lowest port number.

C

You connected the wire on port 3/18 last.

D

None of the above, it is purely random.

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