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


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1.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

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

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

4.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

5.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

最新試題

Which command is used to display the collection of OSPF link states?()

題型:單項選擇題

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

題型:單項選擇題

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

題型:單項選擇題

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

How are VTP advertisements delivered to switches across the network?()

題型: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?()

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

題型:單項選擇題

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

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?()

題型:單項選擇題

At which layer of the OSI model is RSTP used to prevent loops?()

題型:單項選擇題