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多項選擇題A network administrator needs to configure port security on a switch.which two statements are true？（）

A.The network administrator can apply port security to dynamic access ports
B.The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
C.The sticky learning feature allows the addition of dynamically learned addresses to the runningconfiguration.
D.The network administrator can apply port security to EtherChannels.
E.When dynamic mac address learning is enabled on an interface，the switch can learn new addresses，up to the maximum defined.

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1.多項選擇題標準ACL的編號范圍為（）

A.1~99
B.100~199
C.1300~1999
D.2000~2699

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2.多項選擇題An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location？（）

A.The switch must be configured with an IP address,subnet mask,and default gateway.
B.The switch must be connected to a router over a VLAN trunk.
C.The switch must be reachable through a port connected to its management VLAN.
D.The switch console port must be connected to the Ethernet LAN.
E.The switch management VLAN must be created and have a membership of at least one switch port.
F.The switch must be fully configured as an SNMP agent.

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3.多項選擇題Cisco安全ACS具有以下哪些優(yōu)點（）

A.使用策略控制來結(jié)合認證、用戶接入和管理員接入對接入安全性進行擴展
B.提供更大的靈活性和機動性、增強的安全性以及用戶生產(chǎn)力增益
C.對所有用戶采用統(tǒng)一的安全策略
D.減少在擴展用戶和管理員對網(wǎng)絡(luò)的接入時所需的管理性和運營負擔

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4.單項選擇題 When upgrading the IOS image，the network administrator receives the exhibited error message.What could be the cause of this error？（）

A.The new IOS image is too large for the router flash memory.
B.The TFTP server is unreachable from the router.
C.The new IOS image is not correct for this router platform.
D.The IOS image on the TFTP server is corrupt.
E.There is not enough disk space on the TFTP server for the IOS image.

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5.單項選擇題An administrator attempts a traceroute but receives a "Destination Unreadable" messagE.Which protocol is responsible for that message?（）

A.RARP
B.RUDP
C.ICMP
D.SNMP

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