11月24日最新CCNP考题发布
- BSCI 6.Cisco IOS only supports which IS-IS metric type? A. Default B. Delay C. Expense D. Error 答案及讲解收听序号: 16861000-7-06 top 7.A router is configured for redistribution to advertise EIGRP routes into OSPF on a boundary router. Given the configuration: router ospf 1 redistribute eigrp 1 metric 25 subnets What is the function of the 25 parameter in the redistribute command? A. It specifies the seed to be applied to the redistributed routes. B. It specifies the administrative distance on the redistributed routes. C. It specifies the metric limit of 25 subnets in each OSPF route advertisement. D. It specifies a new process-id to inject the EIGRP routes into OSPF. 答案及讲解收听序号: 16861000-7-07 top 8.Which routing protocol makes routing decisions based on network policies or rules, using different path attributes? A. EIGRP B. OSPF C. RIPv2 D. BGP4 E. IS-IS 答案及讲解收听序号: 16861000-7-08 top 9.What are two possible issues with redistributing dynamically learned routes from an IGP into BGP? (Choose two) A. Routing loops can occur. B. The routers are automatically summarized. C. External IGP learned routes might not necessarily have originated in this AS. D. The BGP process will ignore the external IGP learned routes. 答案及讲解收听序号: 16861000-7-09 top 10.If there is no loopback address in your OSPF configuration, what becomes the router ID? A. It defaults to 255. B. The name set by the hostname command. C. The highest IP address configured in the router. D. The priority number of the router set by the priority command. 答案及讲解收听序号: 16861000-7-10 top - BCMSN 11.Which QoS technique avoids the problems that occur when tail drops is used as the congestion avoidance mechanism on the router? A. RSVP B. WRED C. CAR D. CBWFQ 答案及讲解收听序号: 16861000-7-11 top 12.What command is used to create a traffic policy on a Cisco IOS-based switch? A. route-map B. traffic-list C. policy-map D. policy-list 答案及讲解收听序号: 16861000-7-12 top 13.Which technology model allows a customer’s LAN traffic to be carried on a single VLAN across multiple service provider networks? A. OC 192 B. Transparent LAN Services C. VLAN tunneling D. Metro network segmentation 答案及讲解收听序号: 16861000-7-13 top 14.In a customer’s network, VLAN Trunking Protocol (VTP) is running with a domain named main1. VLANs 1,2,3,4,5,10,20 are active on the network. Suddenly the whole network goes down. No traffic is being passed on VLANs 2,3,4,5,10,10, however traffic passes on VLAN 1 and indicates all switches are operational. Right before the network problem occurred, a switch named TEST1 was added to the network. What three configuration issues on TEST1 could be causing the network outage? (Choose three) A. TEST1 is configured as a VTP server with a different domain name. B. TEST1 is not configured to participate in VTP. C. TEST1 is configured as a VTP server with the domain name main1. D. TEST1 has a lower VTP configuration revision than the current VTP revision. E. TEST1 has a higher VTP configuration revision than the current VTP revision. F. TEST1 is configured with only VLAN1. 答案及讲解收听序号: 16861000-7-14 top 15.Which feature will put a switch port into the error-disabled state upon receipt of Spanning Tree data messages, requiring a network administrator to manually put the port back in service? A. Loop Guard B. Port Fast C. BDPU Guard D. Root Guard E. BDPU Filtering 答案及讲解收听序号: 16861000-7-15 top - BCRAN 16.A system administrator issues a Router(config)#aaa new-model command from a telnet session. Making no other changes, the administrator saves the configuration to nvram and then exists the telnet session. No local username/password database exists on the router. What will happen when the administrator tries to immediately establish another telnet session? (Choose two) A. The session asks for a username that may not exist. B. The router requires a reboot so the administrator can login. C. The administrator must access the router though the console port to login. D. The administrator can log in without using a password. 答案及讲解收听序号: 16861000-7-16 top 17.Given the following configuration statement, which two statements are true? (Choose two) router(config)#aaa authentication login default group tacacs+ none A. No authentication is required to login. B. TACACS+ is the first default authentication method. C. Uses the list of TACACS+ servers for authentication, if TACACS+ fails then no access is permitted. D. Uses the list of servers specified in group “TACACS+”, if none are available, then no access is permitted. E. Uses the list of TACACS+ servers for authentication, if TACACS+ fails then uses no authentication. F. Uses a subset of TACACS+ servers named “group” for authentication as defined by the aaa group servers tacacs+ command. 答案及讲解收听序号: 16861000-7-17 top 18.Which commands are configured from the line configuration mode? (Choose three) A. encapsulation ppp B. async mode interactive C. modem inout D. speed 115200 E. flowcontrol hardware 答案及讲解收听序号: 16861000-7-18 top 19.Which command is used to enable asynchronous dialup on a serial interface? A. physical-mode async B. dialer-group layer async C. physical-layer async D. modem inout 答案及讲解收听序号: 16861000-7-19 top 20.Which command will allow a router to attempt to discover the modem to which it is attached? A. modem autoconfigure discovery B. modem discovery autoconfigure C. modem autoconfigure type discovery D. modem discovery type autoconfigure 答案及讲解收听序号: 16861000-7-20 top - CIT 21.What does P in a trace output mean? A. The port us unreachable. B. The PSTN is unreachable. C. The packet is unreachable. D. The protocol is unreachable. 答案及讲解收听序号: 16861000-7-21 top 22.Which command is used to determine if a problem lies in the first four layers of the OSI networking model? A. ping B. arp –a C. telnet D. show ip interface 答案及讲解收听序号: 16861000-7-22 top 23.Which two steps should be taken when troubleshooting external router connections to switches supporting inter-VLAN routing? (Choose two) A. Verify the correct media-type statement for each VLAN subinterface. B. Verify that the subinterface for each VLAN has the correct IP address. C. Ensure that the correct IP address if configured on the main interface. D. Ensure that the full duplex setting on the main router interface matches that on the switch port. 答案及讲解收听序号: 16861000-7-23 top 24.Which command will enable forwarding of packets that have no default route to the best supernet route possible? A. ip redirects B. ip split-horizon C. ip proxy-arp D. ip classless 答案及讲解收听序号: 16861000-7-24 top 25.Which command can display system messages that indicate the presence of duplicate IP addresses on network devices? A. show logging B. show interfaces C. show IP routing D. show IP protocol 答案及讲解收听序号: 16861000-7-25 top
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