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

A.提供數(shù)據(jù)源的唯一證據(jù)
B.證明PKI證書的真實(shí)性和完整性
C.使用一個(gè)被信任的時(shí)間源來(lái)提供一個(gè)安全的時(shí)間戳
D.通過使用一個(gè)用戶的私鑰和它產(chǎn)生的簽名對(duì)該用戶進(jìn)行認(rèn)證

A.172.16.182.1
B.192.168.1.1
C.10.16.176.1
D.192.168.1.6

A.if a switch that is configured to operate in client mode cannot access a VTP server，then the switch reverts to transparent mode.
B.The local vlan configuration is updated only when an update that has a higher configuration revision number is received.
C.Vtp advertisements are not forwarded to neighboring switches that are configured in vtp transparent mode.
D.When switches in vtp client mode are rebooted，they send a vtp advertisement request to the vtp servers.
E.Vtp client is the default vtp mode
F.On switches that are configured to operate in client mode ，vlans can be created，deleted，or renamed locally

A.IKE
B.安全套階層
C.SSH
D.PGP

A.10
B.40
C.30
D.20

A.remote DLCI on the main interface
B.local DLCI on the main interface
C.local DLCI on the subinterface
D.remote DLCI on the subinterface

A.加密—加密—解密
B.加密—解密—加密
C.解密—加密—解密
D.加密—加密—加密

A.traceroute address
B.tracert address
C.ssh address
D.telnet address