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多項(xiàng)選擇題Which two benefits are provided by using a hierarchical addressing network addressing scheme? （）

A.reduces routing table entries
B.auto-negotiation of media rates
C.efficient utilization of MAC addresses
D.dedicated communications between devices
E.ease of management and troubleshooting

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1.單項(xiàng)選擇題Which dose the frame-relay interface-dlinterface-dlcci command configure?（）

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

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2.多項(xiàng)選擇題Which two tasks does the Dynamic Host Configuration Protocol perform?（）

A.Set the IP gateway to be used by the network.
B.Perform host discovery used DHCPDISCOVER message.
C.Configure IP address parameters from DHCP server to a host.
D.Provide an easy management of layer 3 devices.
E.Monitor IP performance using the DHCP server.
F.Assign and renew IP address from the default pool.

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3.多項(xiàng)選擇題What are two characteristics of Telnet (Choose two.)（）。

A.Itsendsdataincleartextformat.
B.ItisnolongersupportedonCisconetworkdevices.
C.ItismoresecurethanSSH
D.Itrequiresanenterpriselicenseinordertobeimplemented.
E.ItrequiresthatthedestinationdevicebeconfiguredtosupportTelnetconnections.

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4.單項(xiàng)選擇題 Refer to the exibit. Three cisco 2950 switches are set to their default priority settings.During the spanning-tree process，which switch will be elected as the root bridge？（）

A.Switch3
B.Switch4
C.Switch2
D.Switch1

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5.單項(xiàng)選擇題What speeds must be disabled in a mixed 802.11b/g WLAN to allow only 802.11g clients to connect?（）

A.6，9，12，18
B.1，2，5.5，6
C.5.5，6，9，11
D.1，2，5.5，11

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