Why do large OSPF networks use a hierarchical design?()A、to confine network instability to single areas of the network.B、to reduce the complexity of router configuration.C、to speed up convergence.D、to lower costs by replacing routers with distribution layer switches.E、to decrease latency by increasing bandwidth.F、to reduce routing overhead.
Why do large OSPF networks use a hierarchical design?()
- A、to confine network instability to single areas of the network.
- B、to reduce the complexity of router configuration.
- C、to speed up convergence.
- D、to lower costs by replacing routers with distribution layer switches.
- E、to decrease latency by increasing bandwidth.
- F、to reduce routing overhead.
相关考题:
When an OSPF design is planned, which implementation can help a router not have memory resource issues?() A. Have a backbone area (area 0) with 40 routers and use default routes to reach external destinationsB. Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPFC. Have less OSPF areas to reduce the need for interarea route summarizationsD. Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2
Which description regarding OSPF Network LSAs is correct?() A. They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.B. They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.C. They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.D. They are originated by every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.
Refer to the exhibit. OSPF is configured on all routers in the network. On the basis of the show ip ospf n eighbor output, what prevents R1 from establishing a full adjacency with R2? () A. Router R1 will only establish full adjacency with the DR and BDR on broadcast multi- access networks.B. Router R2 has been elected as a DR for the broadcast multiaccess network in OSPF area 1.C. Routers R1 and R2 are configured as stub routers for OSPF area 1 and OSPF area 2.D. Router R1 and R2 are configured for a virtual link between OSPF area 1 and OSPF area 2.E. The Hello parameters on routers R1 and R2 do not m atch.
Which of the following are characteristics of OSPF areas?() A. Hierarchical OSPF networks need to be in one areaB. Multiple OSPF areas must connect to area 0C. Single area OSPF networks must be configured in area 1D. Areas can be assigned any number from 0 to 63535E. Area 0 is called the backbone areaF. Each OSPF area need to be configured with a loopback interface
You try to add a new router into the established Testking OSPF network. The networks attached to the new router do not appear in the routing tables of the other OSPF routers.The new router was configured for OSPF in the following way:Router(config) router ospf 99Router(config-if) network 10.0.0.0 255.0.0.0 area 0Based on this information, what is the most likely problem?()A. The process id is configured improperly.B. The OSPF area is configured improperly.C. The network wildcard mask is configured improperly.D. The network number is configured improperly.E. The AS is configured improperly.F. The network subnet mask is configured improperly.G. All of the above are likely problems.
On your OSPF network, routers TK1 and TK2 belong to the same Ethernet network. However, they are unable to establish an adjacency over this link. While troubleshooting this problem, you issue the show ip ospf interface Ethernet 0command on each router. The output from these commands is displayed below:What is the underlying cause of the routers failing to become adjacent?()A. The OSPF area is misconfigured.B. The priority on TK2 should be set lower.C. The cost on TK2 should be set lower.D. The hello and dead timers are misconfigured.E. You need to add a backup designated router to the network.F. The OSPF process ID numbers do not match.
Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.() A. All OSPF networks require the use of multiple areasB. Multiple OSPF areas must connect to area 0C. Single area OSPF networks must be configured in area 1D. Areas can be assigned any number from 0 to 63535E. Area 0 is called the backbone areaF. Each OSPF area need to be configured with a loopback interface
A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?()Router(config)router ospf 1Router(config-router)network 10.0.0.0 255.0.0.0 area 0A. The process id is configured improperlyB. The OSPF area is configured improperlyC. The network wildcard mask is configured improperlyD. The network number is configured improperlyE. The AS is configured improperlyF. The network subnet mask is configuerd improperly
Why do large OSPF networks use a hierarchical design?() A.to confine network instability to single areas of the network.B.to reduce the complexity of router configurationC.to speed up convergenceD.to lower costs by replacing routers with distribution layer switchesE.to decrease latency by increasing bandwidthF.to reduce routing overhead
OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?() A. Each OSPF area requires a loopback interface to be configured.B. Areas may be assigned any number from 0 to 65535.C. Area 0 is called the backbone area.D. Hierarchical OSPF networks do not require multiple areas.E. Multiple OSPF areas must connect to area 0.F. Single area OSPF networks must be configured in area 1.
What are some of the characteristics of the OSPF routing protocol?()A、It confines network instability to a single area of network.B、It increases the routing overhead of the networkC、It supports VLSMD、It routes between Autonomous Systems.E、It allows extensive control of routing updatesF、None of the above
Why do large OSPF networks use a hierarchical design?()A、to confine network instability to single areas of the networkB、to reduce the complexity of router configurationC、to speed up convergenceD、to lower costs by replacing router swith distribution layer switchesE、to decrease latency by increasing bandwidthF、to reduce routing overhead
When an OSPF design is planned, which implementation can help a router not have memory resource issues?()A、Have a backbone area (area 0) with 40 routers and use default routes to reach external destinationsB、Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPFC、Have less OSPF areas to reduce the need for interarea route summarizationsD、Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2
OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?()A、Each OSPF area requires a loopback interface to be configured.B、Areas may be assigned any number from 0 to 65535.C、Area 0 is called the backbone area.D、Hierarchical OSPF networks do not require multiple areas.E、Multiple OSPF areas must connect to area 0.F、Single area OSPF networks must be configured in area 1.
Why do large OSPF networks use a hierarchical design?()A、to confine network instability to single areas of the networkB、to reduce the complexity of router configurationC、to speed up convergenceD、to lower costs by replacing routers with distribution layer switchesE、to decrease latency by increasing bandwidthF、to reduce routing overhead
What are two benefits of using a single OSPF area network design?()A、it reduces the number of required OSPF neighbor adjacenciesB、It reduces the types of LSAs that are generatedC、It is less CPU intensive for routers in the single areaD、It increases LSA response times.E、It removes the need for virtual links
Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? ()A、 Never use passive interfaces.B、 Use NSSA areas from the core down.C、 Use totally stub areas to stop type 3 LSAs.D、 Use the lowest Ethernet interface IP address as the router ID.E、 Tune OSPF timers to enable OSPF to achieve quicker convergence
Which of the following are characteristics of OSPF areas?()A、Hierarchical OSPF networks need to be in one areaB、Multiple OSPF areas must connect to area 0C、Single area OSPF networks must be configured in area 1D、Areas can be assigned any number from 0 to 63535E、Area 0 is called the backbone areaF、Each OSPF area need to be configured with a loopback interface
When is it necessary to use a public IP address on a routing interface?()A、Connect a router on a local network.B、Connect a router to another router.C、Allow distribution of routes between networks.D、Translate a private IP address.E、Connect a network to the Internet.
Which two are NOT characteristics of the OSPF routing protocol?()A、It confines network instability to a single area of network.B、It increases the routing overhead of the networkC、It supports VLSMD、It routes between Autonomous Systems.E、It allows extensive control of routing updates
A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem? ()Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0A、The process id is configured improperlyB、The OSPF area is configured improperlyC、The network wildcard mask is configured improperlyD、The network number is configured improperlyE、The AS is configured improperlyF、The network subnet mask is configuerd improperly
Why do large OSPF networks use a hierarchical design?()A、to confine network instability to single areas of the network.B、to reduce the complexity of router configurationC、to speed up convergenceD、to lower costs by replacing routers with distribution layer switchesE、to decrease latency by increasing bandwidthF、to reduce routing overhead
多选题Why do large OSPF networks use a hierarchical design?()Ato confine network instability to single areas of the networkBto reduce the complexity of router configurationCto speed up convergenceDto lower costs by replacing router swith distribution layer switchesEto decrease latency by increasing bandwidthFto reduce routing overhead
多选题Why do large OSPF networks use a hierarchical design?()Ato confine network instability to single areas of the network.Bto reduce the complexity of router configuration.Cto speed up convergence.Dto lower costs by replacing routers with distribution layer switches.Eto decrease latency by increasing bandwidth.Fto reduce routing overhead.
单选题When is it necessary to use a public IP address on a routing interface?()AConnect a router on a local network.BConnect a router to another router.CAllow distribution of routes between networks.DTranslate a private IP address.EConnect a network to the Internet.
多选题Why do large OSPF networks use a hierarchical design?()Ato confine network instability to single areas of the network.Bto reduce the complexity of router configurationCto speed up convergenceDto lower costs by replacing routers with distribution layer switchesEto decrease latency by increasing bandwidthFto reduce routing overhead
多选题Why do large OSPF networks use a hierarchical design?()Ato confine network instability to single areas of the networkBto reduce the complexity of router configurationCto speed up convergenceDto lower costs by replacing routers with distribution layer switchesEto decrease latency by increasing bandwidthFto reduce routing overhead