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多項(xiàng)選擇題What two statistics appear in show frame-relay map output？（）

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

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1.多項(xiàng)選擇題使用數(shù)字簽名可以提供哪些服務(wù)（）

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

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2.單項(xiàng)選擇題Which commands is necessary to permit SSH or Telnet access to a cisco switch that is otherwiseconfigured for these vty line protocols?（）

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

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3.多項(xiàng)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(shí)性和完整性
C.使用一個(gè)被信任的時(shí)間源來提供一個(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)生的簽名對該用戶進(jìn)行認(rèn)證

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4.單項(xiàng)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

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5.多項(xiàng)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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