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


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

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

3.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

4.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

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

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

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

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Which command displays the CHAP authentication process as it occurs between two routers?()

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The network administrator cannot to switch 1 over a telnet session,although the hosts attached to switch 1 can ping the interface Fa0/0 of the router.Given the information in the graphic and assuming that the router and switch2 are configured properly,which of the following commands should be issued on switch 1 to correct this problem?()

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

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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?()

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What is the default administrative distance of OSPF?()

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Three access ports have been installed and configured to a small office.What term defines the wireless topology?()

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