A.最低端口MAC地址
B.端口的優(yōu)先級號和MAC地址
C.VTP修訂號
D.最高的端口優(yōu)先級數(shù)量
E.路徑開銷（cost）

A.RSTP鏈路故障后顯著減少拓?fù)渚酆蠒r間
B.RSTP通過增加備用和備份角色的消費STP端口角色
C.RSTP端口atates被阻塞，丟棄，learing，或轉(zhuǎn)發(fā)
D.RSTP還使用STP proprsal-協(xié)議序列
E.RSTP使用相同的定時器baseed過程STP上點至點鏈接
F.在點到點鏈路提供比STP更快的傳輸和轉(zhuǎn)發(fā)

A.VTP
B.802.1Q
C.RSTP
D.STP

A.Port security needs to be globally enabled.
B.Port security needs to be enabled on the interface.
C.Port security needs to be configured to shut down the interface in the event of a violation.
D.Port security needs to be configured to allow only one learned MAC address.
E.Port security interface counters need to be cleared before using the show command.
F.The port security configuration needs to be saved to NVRAM before it can become active.

A.IR
B.DSSS
C.FHSS
D.DSSS and FHSS
E.IR, FHSS, and DSSS