Which of the following must match for two directly connected routers running OSPF to establish a neighbor adjacency?()

第1题

Which two IS－IS hello values must match to form a Level 1 IS－IS adjacency? ()A.AFIB.AreaC.System idD.N-Selector

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第2题

Refer to the exhibit. Two routers are connected by Frame Relay and are running OSPF bet ween them. Each router has been configured with the appropriate network statements under router ospf 1, but the routers are not forming an adjacency. Which of the following three commands could be configured on each router to correct this problem?（）A. RouterC(config - if)#ip ospf network broadcast RouterD(config - if)#ip ospf network broadcastB. RouterC(config - if)#ip ospf network point - to - point RouterD(config - if)#ip ospf network point - to - pointC. RouterC(config - router)#neighbor 10.100. 100.4 RouterD(config - router)#neighbor 10.100.100.3D. RouterC(config - router)#neighbor 10.255.255.254 RouterD(config - router)#neighbor 10.255.255.253

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第3题

Which statement is true about IBGP routers? ()A. They must be fully meshedB. They can be in a different ASC . They do not need to be directly connectedD. They must be directly connected

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第4题

An etwork administrator has enabled OSPF across an NBMA network and has issued the command ip ospf network nonbroadcast. Given those facts, which two statements are true?()A. Interfaces will automatically detect and build adjacencies with neighbor routersB. DR and BDR elections will not occurC. DR and BDR elections will occurD. The neighbor command is required to build adjacenciesE. All routers must be configured in a fully meshed topology with all other routers

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第5题

Refer to the exhibit. Which st atement is true?()A. Router RTA is the BDRB. Router RTA is directly connected to interface 192.168.45.1C. Neighbor 192.168.45.1 has changed its OSPF priority numberD. Router RTA and neighbor 192.168.45.2 are exchanging OSPF LSAs

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第6题

The OSPF hello protocol performs which of the following tasks?()A. It provides dynamic neighbor discoveryB. It detects unreachable neighbors in 90 second intervalsC. It maintains neighbor relationshipsD. It negotiates correctness parameters between neighboring interfacesE. It uses timers to elect the router witch the fastest links as the designated routerF. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF

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第7题

Which of the following describe the process identifier that is used to run OSPF on a router (Choose two.)()。A.It is locally significantB.It is globally significantC.It is needed to identify a unique instance of an OSPF databaseD.It is an optional parameter required only if multiple OSPF processes are running on the routerE.All routers in the same OSPF area must have the same process ID if they are to exchange routing information

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