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.
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.
相关考题：
Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?() A. The router receiving the route translates the Type 7 LSA into a Type 5 LSA.B. The ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.C. The ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.D. All ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.
Which of the following OSPF messages contains entire complete LSAs used during the database exchange process?() A. LSRB. LSAckC. LSUD. DDE. Hello
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
Refer to the exhibit. OSPF is running throughout the network. You want to minimize the propagation of LSAs into and out of A rea 1. Which OSPF feature would best achieve this goal? () A. stubB. totally stubbyC. NSSAD. totally NSSA
You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?（）A. Internal routers within the backbone area (area 0)B. Internal routers within the NSSAsC. Internal routers within the stubby areasD. ASBRsE. ABRsF. DRs and BDRs
Which show command will display only the Type 5 LSAs in the OSPF topology database?() A. show ip ospf database externalB. show ip ospf database nssa - externalC. show ip route ospfD. show ip ospf datab ase summaryE. show ip route
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.
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.
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.
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 statements are correct regarding default protocol preference values?（）A、RIP is preferred over OSPF external routes.B、Direct, local, and static routes have the same preference value.C、OSPF's preference value is lower than BGP.D、OSPF has a single preference value for both internal and external routes.
Which two statements are correct regarding default protocol preference values?（）A、OSPF internal routes have a lower preference than static routes.B、Both direct and local routes have the same preference value.C、OSPF's preference value is lower than BGP.D、OSPF has a single preference value for both internal and external routes.
Which statement best describes OSPF external LSAs （type 5）？（）A、OSPF external LSAs are automatically flooded into all OSPF areas， unlike type 7 LSAs， which require that redistribution be configured.B、External LSAs （type 5） are automatically changed to type 1 LSAs at ASBRs.C、Type 5 LSAs are route summaries describing routes to networks outside the OSPF Autonomous System.D、External network LSAs （type 5） redistributed from other routing protocols into OSPF are not permitted to flood into a stub area.
You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?（）A、Internal routers within the backbone area (area 0)B、Internal routers within the NSSAsC、Internal routers within the stubby areasD、ASBRsE、ABRsF、DRs and BDRs
Which show command will display only the Type 5 LSAs in the OSPF topology database？（）A、show ip ospf database externalB、show ip ospf database nssa - externalC、show ip route ospfD、show ip ospf datab ase summaryE、show ip route
Which of the following OSPF messages contains entire complete LSAs used during the database exchange process?（）A、LSRB、LSAckC、LSUD、DDE、Hello
Which two statements are correct regarding the default protocol preference values? （）A、RIP is preferred over OSPF external routesB、Direct, local and static routes have the same preference valueC、OSPF's preference value is lower than BGPD、OSPF has a single preference value for both internal and external routes
单选题Which CLI command displays all OSPF LSAs received by the local router？（）Ashow ospf neighborBshow ospf databaseCshow ospf interfaceDshow ospf adjacency
单选题Which of the following OSPF messages contains entire complete LSAs used during the database exchange process?（）ALSRBLSAckCLSUDDDEHello
单选题Which description regarding OSPF Network LSAs is correct?（）AThey are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.BThey are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.CThey are originated by the DR on every multi - access network. They include all attached routers including the DR itself.DThey 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.
单选题Which show command will display only the Type 5 LSAs in the OSPF topology database？（）Ashow ip ospf database externalBshow ip ospf database nssa - externalCshow ip route ospfDshow ip ospf datab ase summaryEshow ip route
单选题You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?（）AInternal routers within the backbone area (area 0)BInternal routers within the NSSAsCInternal routers within the stubby areasDASBRsEABRsFDRs and BDRs
多选题You want to limit the number of Type 7 LSAs to be converted into Type 5 LSAs at an appropriate ARB. Which two commands should you use from the [edit] hierarchy level within the JUNOS software configuration mode？（）Aset protocols ospf area-range network/mask-lengthBset protocols ospf area area-id nssa area-range network/mask-lengthCset protocols ospf area area-id area-range network/mask-length restrictDset protocols ospf area area-id nssa area-range network/mask-length restrict
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.
单选题Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）AThe router receiving the route translates the Type 7 LSA into a Type 5 LSA.BThe ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.CThe ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.DAll ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.
多选题Which two statements are correct regarding the default protocol preference values? （）ARIP is preferred over OSPF external routesBDirect, local and static routes have the same preference valueCOSPF's preference value is lower than BGPDOSPF has a single preference value for both internal and external routes
单选题Which statement best describes OSPF external LSAs （type 5）？（）AOSPF external LSAs are automatically flooded into all OSPF areas, unlike type 7 LSAs, which require that redistribution be configured.BExternal LSAs (type 5) are automatically changed to type 1 LSAs at ASBRs.CType 5 LSAs are route summaries describing routes to networks outside the OSPF Autonomous System.DExternal network LSAs (type 5) redistributed from other routing protocols into OSPF are not permitted to flood into a stub area
多选题You want to limit the number of Type 7 LSAs to be converted into Type 5 LSAs at an appropriateABR. Which two commands should you use from the [edit] hierarchy level within JUNOS configuration mode?（）Aset protocols ospf area-range network/mask-lengthBset protocols ospf area area-id nssa area-range network/mask-lengthCset protocols ospf area area-id area-range network/mask-length restrictDset protocols ospf area area-id nssa area-range network/mask-length restrict