CCNA_2_UPD (1130967), страница 7
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Which network command or set of sommands willcause OSPF to be enabled to send and receive packets for any R1 interfacein the exhibited subnets?R1(config-router)# network 0.0.0.0 255.255.255.255 area 09. Refer to the exhibit. What does the "2" stand for in the router ospf 2statement?The number 2 identifies this particular instance of OSPF on this router.10.
Refer to the exhibit. All routers have been configured with the interfacepriorities that are shown. All routers were restarted simultaneously. Theresults of the DR/BDR election are shown. What can be concluded aboutthis network?The highest router ID was most likely determined via an OSPF router-id statementor statements.11. Refer to the exhibit. What configuration statements would give theresults that are shown in the output of the show ip protocols command?B(config)# router ospf 1B(config-router)# router-id 192.168.1.512.
Refer to the exhibit. How many OSPF adjacencies must be formed tobuild the complete topology if a DR or BDR were not elected in this OSPFnetwork?6Стр. 13 из 2701.04.2009 0:45CISCO CCNA Certifications: CCNA 2 UPDATEDfile:///D:/botalka/%D1%81%D0%B8%D1%81%D1%8C%D0%BA...13. What is the default administrative distance for OSPF?11014. Refer to the exhibit. Routers A, B, C, and D are all running OSPF withdefault router IDs and OSPF interface priorities. Loopback interfaces are notconfigured and all interfaces are operational.
Router D is the DR and routerC is the BDR. What happens immediately after the following commands areentered on router A?A(config)# interface fa0/0A(config-if)# ip ospf priority 255D will remain the DR. C will remain the BDR.15. Refer to the exhibit. All routers are running OSPF.
What cost would JAXput in its routing table for the 10.0.0.0/24 network?178716. What range of networks will be advertised in the OSPF updates by thecommand Router1(config-router)# network 192.168.0.0 0.0.15.255 area100?192.168.0.0/24 through 192.168.15.0/2417. Refer to the exhibit. The network administrator wants to set the routerID of Router1 to 192.168.100.1. What steps must the administrator take toaccomplish this?nothing, the router-id of Router1 is already 192.168.100.118. Refer to the exhibit. When OSPF is operational in the exhibited network,what neighbor relationship is developed between Router1 and Router2?A FULL adjacency is formed.19.
Refer to the exhibit. Assuming that the routers have default interfaceOSPF priorities and no configured loopback interfaces, what two roles willrouter B play on each network segment? (Choose two.)DR for network 192.168.1.200BDR for network 192.168.1.20420. Refer to the exhibit.
Router1 and Router2 are running OSPF. The showip ospf neighbor command reveals no neighbors. What is a possible cause?OSPF hello or dead timers do not match21. Refer to the exhibit. Which command sequence on RouterB willredistribute a gateway of last resort to the other routers in OSPF area 0?RouterB(config)# ip route 0.0.0.0 0.0.0.0 172.16.6.6RouterB(config)# router ospf 10RouterB(config-router)# default-information originate22. Refer to the exhibit.
RouterA, RouterB, and RouterC in the diagram arerunning OSPF on their Ethernet interfaces. Router D was just added to thenetwork. Routers are configured with the loopback interfaces (Lo 0) thatare shown in the exhibit. What happens to the OSPF DR/BDR after RouterDis added to the network?There is no change in the DR or BDR until either current DR or BDR goes down.23. Which two statements describe the use of OSPF DR/BDR elections?(Choose two.)Elections are required in broadcast multiaccess networks.Elections are required in non-broadcast multiaccess networks.24. Refer to the exhibit. The routers in the exhibit are using default OSPFconfiguration settings to advertise all attached networks. If all of therouters start at the same time, what will be the result of the DR and BDRelections for this single area OSPF network? (Choose three.)Router A will be DR for 10.4.0.0/16.HQ will be BDR for 10.4.0.0/16.Remote will be DR for 10.5.0.0/16.25.
Refer to the exhibit. What must be received between neighbors toprevent the dead time that is shown in the exhibit from reaching zero?hello packetsPosted by: Suraj Dhakalcomments (0)TOP05:19CCNA 2:Module 10POSTED BY ADMINOptions With Highlight Colours are Correct Answer1. Refer to the exhibit. When Router D is configured to use a link-staterouting protocol and is added to the network, what is the first thing that itdoes to begin learning the network topology?It learns about its directly connected networks when its interfaces reach the upСтр. 14 из 2701.04.2009 0:45CISCO CCNA Certifications: CCNA 2 UPDATEDfile:///D:/botalka/%D1%81%D0%B8%D1%81%D1%8C%D0%BA...state.2.
What two events will cause a link state router to send LSPs to allneighbors? (Choose two.)whenever the network topology changesupon initial startup of router or routing protocol3. What is the final step in the link state routing process?SPF computes best path to each destination network4. What two statements correctly describe the link state routing process?(Choose two.)each router in the area floods LSPs to all neighborsall routers in the area have identical link state databases5.
Refer to the exhibit. What kind of information would be seen in an LSPsent from router JAX to router ATL?cost of the link6. What feature do modern link-state protocols provide to minimizeprocessing and memory requirements?splitting routing topologies into smaller areas7.
To achieve network convergence, what three steps does each link staterouter take? (Choose three.)build a Link State Packet (LSP) containing the state of each directly connected link.flood the LSP to all neighbors, who then store all LSPs received in a database.construct a complete map of the topology and compute the best path to eachdestination network.8. What speeds up convergence in a network using link-state routing?updates triggered by network changes9. Why is it difficult for routing loops to occur in networks that uselink-state routing?Each router builds a complete and synchronized view of the network.10. What are some of the advantages of using a link-state routing protocolinstead of a distance vector routing protocol? (Choose two.)Routers have direct knowledge of all links in the network and how they areconnected.After the inital LSA flooding, they generally require less bandwidth to communicatechanges in a topology.11.
Which algorithm is run by link-state routing protocols to calculate theshortest path to destination networks?Dijkstra12. Refer to the exhibit. Which statement correctly describes the pathtraffic would take from the 10.0.0.0/24 network to the 192.168.1.0/24network if a link-state routing protocol was in use?BOS -> ORL -> JAX -> ATL because this path is the lowest cost13.
Which database or table must be identical on all link-state routerswithin an area in order to construct an accurate SPF tree?link-state database14. Which two routing protocols use Dijkstra’s shortest path first algorithm?(Choose two.)IS-ISOSPF15. When are link-state packets sent to neighbors?when a link goes up or down16. Refer to the exhibit. What does JAX do with link-state packets fromORL?sends out the individual link-state packets out the interface connected to BOS17. A new network administrator is given the task of selecting anappropriate dynamic routing protocol for a software development company.The company has over 100 routers, uses CIDR and VLSM, requires fastconvergence, and uses both Cisco and non-Cisco equipment. Which routingprotocol is appropriate for this company?OSPF18.
What action does a link-state router take immediately upon receipt ofan LSP from a neighboring router?floods the LSP to neighbors19. Refer to the exhibit. If all routers and interfaces are configured to use alink-state routing protocol, from which routers will router D receive hellopackets?B and Ccomments (0)Стр. 15 из 27TOP01.04.2009 0:45CISCO CCNA Certifications: CCNA 2 UPDATEDfile:///D:/botalka/%D1%81%D0%B8%D1%81%D1%8C%D0%BA...CCNA 2:Module 9POSTED BY ADMINOptions With Highlight Colours are Correct Answer1. on a router running EIGRP, what database would maintain a list offeasible successors?Topology table2.
Refer to the exhibit. This is the debug output from 2 directly connectedEIGRP routers. They are not forming an adjacency. What is the cause?Network 192.168.1.64 0.0.0.33. What two actions will the EIGRP DUAL FSM take if a link to a networkgoes down? (Choose two.)Query neighbors for a new routeSearch topology table for a feasible successor4. Refer to the exhibit.
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