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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2.單項選擇題Which statement is true, as relates to classful or classless routing?()

A. Automatic summarization at classful boundries can cause problems on discontinuous subnets
B. EIGRP and OSPF are classful routing protocols and summarize routes by default
C. RIPv1 and OSPF are classless routing protocols
D. Classful routing protocols send the subnet mask in routing updates

3.單項選擇題Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?()

A. Cisco IOS IPsec/SSL VPN client
B. Cisco VPN Clinet
C. ISDN terminal adapter
D. Cisco Adaptive Security Appliance

4.單項選擇題At which layer of the OSI model is RSTP used to prevent loops?()

A. data link
B. network
C. physical
D. transport

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On which options are standard access list based?()

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While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?()

題型:單項選擇題

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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A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?()

題型:單項選擇題

Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?()

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Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?()

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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?()

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

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What is the subnetwork address for a host with the IP address 201.100.5.68/28?()

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What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?()

題型:單項選擇題