An OSPF link can be in multiple states at any givenmoment(ie.Exstart,exchange,full). Which two IOS commands let you view the state of the link（）A、show ip ospfB、show ip protocolsC、show ip ospfneighborD、show ip ospfinterface
An OSPF link can be in multiple states at any givenmoment(ie.Exstart,exchange,full). Which two IOS commands let you view the state of the link（）
- A、show ip ospf
- B、show ip protocols
- C、show ip ospfneighbor
- D、show ip ospfinterface
相关考题：
In(71), multiple transmission can occupy a single link sectioned by time rather than frequency.A．FDMB．TDMC．WDMD．CDM
What are two reasons for using a virtual link in OSPF?() A. Provides fast convergence times.B. Supports connections of multiple backbones.C. Eliminates the need for a Designated Router.D. Supports non direct connections to the backbone.
Which CLI command is used to see the current OSPF link－state database?() A. show ospf databaseB. show ospf neighborC. show protocols ospfD. show ospf link-state
Which of the following are true of both OSPFv2 and OSPFv3?() A. The method of choosing an OSPF router IDB. Verification checks that must be validated before two routers can become OSPF neighborsC. Support for route tagsD. Support for multiple instances per inter face
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 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
An OSPF link can be in multiple states at any givenmoment(ie.Exstart,exchange,full). Which two IOS commands let you view the state of the link() A.show ip ospfB.show ip protocolsC.show ip ospfneighborD.show ip ospfinterface
Which command is used to display the collection of OSPF link states?() A. show ip ospf lsa databaseB. show ip ospf link-stateC. show ip ospf neighborsD. show ip ospf database
Which of the following are true of both OSPFv2 and OSPFv3?（）A、The method of choosing an OSPF router IDB、Verification checks that must be validated before two routers can become OSPF neighborsC、Support for route tagsD、Support for multiple instances per inter face
If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）A、A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor linkB、A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchangedC、A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor doorD、A SHAM link is part of OSPF network of MPLS-VPN provider
Which statement is correct about an OSPF sham-link？（）A、A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.B、A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.C、A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.D、A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.E、A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
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
When verifying the OSPF link state database, which type of LSAs should you expect to see within the different OS PF area types?（）A、All OSPF routers in stubby areas can have type 3 LSAs in their database.B、All OSPF routers in stubby areas can have type 7 LSAs in their database.C、All OSPF routers in totally stubby areas can have type 3 LSAs in their database.D、All OSPF routers in totally stubby areas can have type 7 LSAs in their database.E、All OSPF routers in NSSA areas can have type 3 LSAs in their database.F、All OSPF routers in NSSA areas can have type 7 LSAs in their database.
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
Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF). Which two statements best describe the OSPF link - state routing pro tocol?（）A、OSPF sends updates every 10 secondsB、OSPF sends triggered updates when a network change occursC、When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it to all OSPF devices using the 224.0.0.6 multicast addressD、OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization
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
Which command is used to display the collection of OSPF link states？（）A、show ip ospf lsa database（not A）B、show ip ospf link-stateC、show ip ospf neighborsD、show ip ospf database
Which mechanism can you use to achieve sub-second failover for link failure detection when a switched Ethernet media is used and loss of signal is not supported by the link provider？（）A、OSPF standard hellosB、Cisco Discovery Protocol link detectionC、Bidirectional Forwarding DetectionD、Fast Link PulseE、autonegotiation
单选题What is the purpose of the OSPF link-state update packet?（）Adescribes a change to the OSPF hello timerBcarries one or more link-state advertisementsCestablishes and maintains neighbor relationshipsDdescribes the contents of the entire link-state database
单选题Which CLI command is used to see the current OSPF link-state database?（）Ashow ospf databaseBshow ospf neighborCshow protocols ospfDshow ospf link-state
单选题In IPv6, the interfaces running OSPF can be configured with multiple ad dress prefixes. Which statement is true about the IPv6 addresses that can be included into the OSPF process?" （）ASpecific addresses can be selected using a prefix list.BSpecific addresses can be selected using a route map.CSpecific addresses cann ot be selected for importation into the OSPF process.DSpecific addresses can be selected using an ACL.
多选题An OSPF link can be in multiple states at any givenmoment(ie.Exstart,exchange,full). Which two IOS commands let you view the state of the link（）Ashow ip ospfBshow ip protocolsCshow ip ospfneighborDshow ip ospfinterface
多选题Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）AAll OSPF networks require the use of multiple areasBMultiple OSPF areas must connect to area 0CSingle area OSPF networks must be configured in area 1DAreas can be assigned any number from 0 to 63535EArea 0 is called the backbone areaFEach OSPF area need to be configured with a loopback interface
多选题What are two reasons for using a virtual link in OSPF?（）AProvides fast convergence times.BSupports connections of multiple backbones.CEliminates the need for a Designated Router.DSupports non direct connections to the backbone.
多选题Which of the following are true of both OSPFv2 and OSPFv3?（）AThe method of choosing an OSPF router IDBVerification checks that must be validated before two routers can become OSPF neighborsCSupport for route tagsDSupport for multiple instances per inter face
单选题Which statement is correct about an OSPF sham-link？（）AA sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.BA sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.CA sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.DA sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.EA sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
多选题An OSPF link can be in multiple states at any given moment （ie. Exstart， exchange， full）. Whichtwo IOS commands let you view the state of the link？（）Ashow ip ospfBshow ip protocolsCshow ip ospf neighborDshow ip ospf interface
单选题Which command is used to display the collection of OSPF link states?（）Ashow ip ospf lsa databaseBshow ip ospf link-stateCshow ip ospf neighborsDshow ip ospf database