A.blocking
B.learning
C.discarding
D.forwarding
E.listening

A.站點(diǎn)到站點(diǎn)
B.站點(diǎn)到端點(diǎn)
C.端點(diǎn)到端點(diǎn)
D.遠(yuǎn)程訪問

A.show version
B.dir flash：include ios
C.show environment
D.show diag
E.show inventory

A.節(jié)省開支
B.安全性
C.可擴(kuò)展性
D.兼容寬帶技術(shù)

A.當(dāng)用戶注冊(cè)PKI時(shí)對(duì)用戶進(jìn)行認(rèn)證
B.注冊(cè)后分發(fā)證書
C.撤銷失效的證書
D.為不能生成自己的密鑰用戶生成密鑰

A.show session
B.show cdpneighbors
C.show users
D.show queue

A.PKI用戶
B.用于密鑰管理的CA
C.存儲(chǔ)和協(xié)議
D.支持法律框架

A.The number of FECN packets that are received by the router
B.The number of BECN packets that are received by the router.
C.The ip address of the local router
D.The value of the local DLCI
E.The status of the PVC that is configured on the router

A.使用數(shù)字簽名的數(shù)據(jù)的真實(shí)性
B.使用數(shù)字簽名的數(shù)據(jù)的完整性
C.使用數(shù)字簽名的數(shù)據(jù)的可靠性
D.交易的不可否認(rèn)性

A.transport type all
B.transport output all
C.transport preferred all
D.transport input all