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问题详情

Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?（）

A、BackboneFast

B、UplinkFast

C、Root Guard

D、BPDU Guard

E、BPDU Filter

时间：2023-03-20 17:06 关键词： CCNA(640-802)

答案解析

D

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