單項(xiàng)選擇題which command is used to enable CHAP authentication whit PAP as the fallback method on a serial interface?()

A. (config-if)#authentication ppp chap fallback ppp
B. (config-if)#authentication ppp chap pap
C. (config-if)#ppp authentication chap pap
D. (config-if)#ppp authentication chap fallback ppp


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1.單項(xiàng)選擇題Which parameter or parameters are used to calculate OSPF cost in cisco routers?()

A. Bandwidth,Delay,and MTU
B. Bandwidth
C. Bandwidth and MTU
D. Bandwidth , MTU,Reliability,Delay,and Load

4.單項(xiàng)選擇題Which PPP subprotocol negotiates authentication options?()

A. NCP
B. LCP
C. ISDN
D. DLCI
E. SLIP

6.單項(xiàng)選擇題Assuming the default switch configuration,which approach should you use to configure the extended vlan range(1006 through 4094) on a cisco catalyst 3750 series switch?()

A. Configure the switch to be in VTP client mode.
B. Configure the switch to be in VTP domaint mode.
C. Configure the switch to be in VTP transparent mode.
D. Configure the switch to be in VTPv2.

7.單項(xiàng)選擇題In which integration method is an IPV6 packet encapsulated within an IPV4 protocol?()

A. proxy.
B. dual-stack
C. tunneling
D. dot1q

8.單項(xiàng)選擇題The enable secret command is used to secure access to which CLI mode?()

A. user EXEC mode
B. global configuration mode
C. privileged EXEC mode
D. auxiliary setup mode

9.單項(xiàng)選擇題Which statement about vlan operation on cisco catalyst switches is true?()

 A. when a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address table.
B. unkown unicast frames are retransmitted only to the ports that belong to the same vlan
C. ports between switches should be configured in access mode so that vlans can span across the ports
D. broadcast and multicast frames are retransmitted to ports that are configured on different vlan.

10.單項(xiàng)選擇題A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?()

A. an OSPF update for network 192.168.0.0/16
B. a static router to network 192.168.10.0/24
C. a static router to network 192.168.10.0/24 with a local serial interface configured as the next hop
D. a RIP update for network 192.168.10.0/24
E. a directly connected interface with an address of 192.168.10.254/24
F. a default route with a next hop address of 192.168.10.1

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

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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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What is the default administrative distance of OSPF?()

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An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?()

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

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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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Which pairing reflects a correct protocol-and-metric relationship?()

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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?()

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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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