Refertotheexhibit.Whichstatementistrueabouttheoutput?()

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A.TheportonswitchCAT1isforwardingandsendingBPDUscorrectly.

B.TheportonswitchCAT1isblockingandsendingBPDUscorrectly.

C.TheportonswitchCAT2isforwardingandreceivingBPDUscorrectly.

D.TheportonswitchCAT2isblockingandsendingBPDUscorrectly.

E.TheportonswitchCAT3isforwardingandreceivingBPDUscorrectly.

F.TheportonswitchCAT3isforwarding,sending,andreceivingBPDUscorrectly.

参考答案:

参考A

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