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單項選擇題A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB.Later attempts to access NewSwitch using Telnet from SwitchA faileD.Which statement is true?（）

A.Executing password recovery is required.
B.The virtual terminal lines are misconfigured.
C.Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D.Power cycle of NewSwitch will return it to a default configuration.

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1.多項選擇題Which two data link layers are supported by cisco ios software for IPv6？（）

A.PPP
B.FDDI
C.Frame Relay PVC
D.NBMA
E.Frame Relay SVC

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2.單項選擇題What must be configured on the network in order for users on the Internet to view web pages located on Web Server 2（）。

A.On router R2, configure a default static route to the 192.168.1.0 network.
B.On router R2, configure DNS to resolve the URL assigned to Web Server 2 to the 192.168.1.10 address.
C.On router R1, configure NAT to translate an address on the 209.165.100.0/24 network to 192.168.1.10.
D.On router R1, configure DHCP to assign a registered IP address on the 209.165.100.0/24 network to Web Server 2.

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3.多項選擇題What are three basic parameters to configure on a wireless access point? （）

A.SSID
B.RTS/CTS
C.AES-CCMP
D.TKIP/MIC
E.RF channel
F.authentication method

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4.單項選擇題Which PPP subprotocol negotiates authentication options？（）

A.NCP
B.LCP
C.ISDN
D.DLCI
E.SLIP

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5.多項選擇題Which two of these statements are true of IPv6 address representation? （）

A.There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.
B.A single interface may be assigned multiple IPv6 addresses of any type.
C.Every IPv6 interface contains at least one loopback address.
D.The first 64 bits represent the dynamically created interface ID.
E.Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.

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