97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

多項(xiàng)選擇題

Which of the following characteristics describe the BPDU Guard feature?(Choose all that apply.)()

A.A BPDU Guard port should only be configured on ports with PortFast enabled
B.BPDU Guard and PortFast should not be enabled on the same port.
C.BPDU Guard is used to ensure that superior BPDUs are not received on a switch port
D.A BPDU Guard port receiving a BPDU will go into err-disable state
E.A BPDU Guard port receiving a BPDU will be disabled
F.BPDU Guard can be enabled on any switch port

微信掃碼免費(fèi)搜題