多項選擇題

數(shù)字簽名在以下哪些場合使用（）

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

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單項選擇題

Refer to the exhibt.Host A has tested connectivity to a remote network.What is the default gateway for host A?（）

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

多項選擇題

What are two characteristics of a switch that is configured as a VTP client？（）

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

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數(shù)字簽名在以下哪些場合使用（）

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Refer to the exhibt.Host A has tested connectivity to a remote network.What is the default gateway for host A?（）

What are two characteristics of a switch that is configured as a VTP client？（）

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What are two characteristics of a switch that is configured as a VTP client？（）