单选题On point-to-point networks, OSPF hello packets are addressed to which address?（）A127.0.0.1B172.16.0.1C192.168.0.5D223.0.0.1E224.0.0.5F254.255.255.255
单选题
On point-to-point networks, OSPF hello packets are addressed to which address?（）
A
127.0.0.1
B
172.16.0.1
C
192.168.0.5
D
223.0.0.1
E
224.0.0.5
F
254.255.255.255
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On point－to－point networks, OSPF hello packets are addressed to which address?() A.127.0.0.1B.172.16.0.1C.192.168.0.5D.223.0.0.1E.224.0.0.5F.254.255.255.255
What is the purpose of the OSPF router ID in a OR／BOR election?() A. It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point networkB. It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF routerC. It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access networkD. It is used to determine which interfaces will send Hello packets to neighboring OSPF routers
Refer to the exhibit. On the basis of the configuration provided, how are the Hello packets sent by R2 handled by R5 in OSPF area 5?() A. The Hello packets will be exchanged and adjacency will be established between routers R2 and R5.B. The Hello packets will be exchanged but the routers R2 and R5 will become neighbors only.C. The Hello packets will be dropped and no adjacency will be established between routers R2 and R5.D. The Hello packets will be dropped but the routers R 2 and R5 will become neighbors.
What kind of packets does OSPF send to keep up connectivity with its neighboring routers?() A. SPF packetsB. hello packetsC. keepalive packetsD. dead interval packetsE. LSU packets
What kind of information does a router running a link－state routing protocol need to create and maintain its topological database?() A. LSAs from other routersB. Beacons received on point-to-point linksC. hello packetsD. Routing tables received from neighborsE. SAP packets sent by other routersF. TTL packets from exclusive routers
In a point－to point network, which address are OSPF hello packets sent to?() A.127.0.0.1B.192.168.0.5C.223.0.0.1D.172.16.0.1E.224.0.0.5F.254.255.255.255.255
Refer to the exhibit. Which statement is true about the configuration? () A. RTA will not establish an OSPF adjacency w ith RTBB. RTA will send OSPF hello packets, but will not send OSPF updatesC. RTA will not accept OSPF hello packets from RTBD. RTA will send OSPF updates, but will not establish an adjacency with RTB
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
What is the OSPF default frequency,in seconds,at which a cisco router sends hello packets on a multiaccess network?() A.10B.40C.30D.20
What kind of packets does OSPF send to keep up connectivity with its neighboring routers?（）A、SPF packetsB、hello packetsC、keepalive packetsD、dead interval packetsE、LSU packets
What is the OSPF default frequency,in seconds,at which a cisco router sends hello packets on a multiaccess network?（）A、10B、40C、30D、20
On what kinds of networks does OSPF elect a backup designated router?（）A、Point-to-point and point-to-multipoint networksB、Nonbroadcast and broadcast multipoint multicastingC、Point-to-point and multi-access broadcastingD、Point-to-multipoint and multi-access broadcastingE、Nonbroadcast and broadcast multi-access
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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On point-to-point networks, OSPF hello packets are addressed to which address?（）A、127.0.0.1B、172.16.0.1C、192.168.0.5D、223.0.0.1E、224.0.0.5F、254.255.255.255
What kind of information does a router running a link-state routing protocol need to create and maintain its topological database?（）A、LSAs from other routersB、Beacons received on point-to-point linksC、hello packetsD、Routing tables received from neighborsE、SAP packets sent by other routersF、TTL packets from exclusive routers
What is the purpose of the OSPF router ID in a OR/BOR election?（）A、It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point networkB、It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF routerC、It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access networkD、It is used to determine which interfaces will send Hello packets to neighboring OSPF routers
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多选题The OSPF hello protocol performs which of the following tasks?（）AIt provides dynamic neighbor discoveryBIt detects unreachable neighbors in 90 second intervalsCIt maintains neighbor relationshipsDIt negotiates correctness parameters between neighboring interfacesEIt uses timers to elect the router witch the fastest links as the designated routerFIt broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
单选题What is the OSPF default frequency,in seconds,at which a cisco router sends hello packets on a multi-access network?（）A10B40C30D20
单选题On point-to-point networks, OSPF hello packets are addressed to which address（）。A127.0.0.1B172.16.0.1C192.168.0.5D223.0.0.1E224.0.0.5F254.255.255.255
单选题What is the OSPF default frequency,in seconds,at which a cisco router sends hello packets on a multiaccess network?（）A10B40C30D20
多选题The core of a network has four routers connected in a square design with Gigabit Ethernet links using /30 subnets. The network is used to carry voice traffic and other applications. Convergence time is taking more than expected. Which three actions would you take to improve OSPF convergence time？（）AIncrease MTU of the interfaces to accommodate larger OSPF packets.BChange the network type to point-to-point on those links.CReduce SPF initial timer.DIncrease hello interval to avoid adjacency flapping.EEnable OSPF
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