單項選擇題Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?()

A. dual stack
B. dynamic
C. Teredo
D. Manual 6to4


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1.單項選擇題Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?()

A. show running-config
B. show processes cpu
C. debug all
D. logging host ip address

2.單項選擇題Which command encrypts all plaintext passwords?()

A. Router(config)#password-encryption
B. Router(config)#service password-encryption
C. Router#service password-encryption
D. Router# password-encryption

3.單項選擇題Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?()

A. IETF
B. HDLC
C. Q9333-A Annex A
D. ANSI Annex D

4.單項選擇題What is the default administrative distance of OSPF?()

A. 120
B. 100
C. 90
D. 110

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Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?()

題型:單項選擇題

If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?()

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Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?()

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Which command encrypts all plaintext passwords?()

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A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?()

題型:單項選擇題

What is the purpose of the cisco Vlan Trunking protocol?()

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Which statement is true, as relates to classful or classless routing?()

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After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?()

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On which options are standard access list based?()

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A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?()Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0

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