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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?（）
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.
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更多 “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?（）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.” 相关考题
考题
OSPFv3 interarea－prefix－LSAs are most similar to which OSPFv2 LSA type?()
A. Type 7 LSAsB. Type 4 summary LSAsC. Type 3 summary LSAsD. Type 5 AS-external LSAs
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.
考题
A verification plan shows a network diagram with branch office Routers B1 through B100, plus two ABRs, ABR1, and ABR2, all in area 100. The branches connect to the ABRs using Frame Relay point - to - point subinterfaces. The verification plan lists the output of the show i p ospf database summary 10.100.0.0 command on a router B1, one of the branches.Which of the following is true regarding the output that could be listed for this command?（）A. The output lists nothing unless 10.100.0.0 has been configured as a summary rou te using the area range command.B. If 10.100.0.0 is a subnet in area 0, the output lists one Type 3 LSA, specifically the LSA with the lower metric when comparing ABR1‘s and ABR2‘s LSA for 10.100.0.0.C. If 10.100.0.0 is a subnet in area 0, the output lists two Type 3 LSAs, one each created by BR1 and ABR2.D. None, because the Type 3 LSAs would exist only in the ABR‘s LSDBs.
考题
Refer to the exhibit. OSPF is configured on all routers in the network. Area 5 is configured as an NSSA areA. The RIPv2 routes are redistributed into the OSPF domain on router R5. What two types of LSAs will be originated by router R5?（）A. type 1 Router LSAB. type 2 Network LSAC. type 3 Network Summary LSAD. type 4 ASBR Summary LSAE. type 5 AS External LSAF. type 7 NSSA External LSA
考题
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.
考题
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.
考题
Which is true about OSPF router－id?()
A.It is used for type 1 router LSAB.Highest IP address of the loopback is usedC.router-id needs to be matched on ospf neighborsD.router-id is 16 bit
考题
在NSSA区域有多个ABR时，并不是所有ABR都能把7类LSA转换成5类LSA的。因为按RFC1587：OSPFNSSAOption的规定，在NSSA区域有多个ABR时，只有最大的RouterID的ABR将type7LSA负责转换为type5LSA。
考题
Which is true about OSPF router-id?（）A、It is used for type 1 router LSAB、Highest IP address of the loopback is usedC、router-id needs to be matched on ospf neighborsD、router-id is 16 bit
考题
What OSPF LSA is used to support MPLS-traffic Engineering ？（）A、External LSA （Type 5 ）B、Opaque LSA （Type 9 ）C、Opaque LSA （Type 10 ）D、Opaque LSA （Type 11 ）E、NSSA LSA （Type 7 ）
考题
Which router is doing LSA type 7 to type 5 translation，and why？（）A、Both RTA and RTB will do LSA7/5 translation，since they are both NSSA ABRsB、RTA will do LSA7/5 translation，since it has the lower router IDC、RTB will do LSA7/5 translation，since it has the higher router IDD、The redistributing router will do LSA7/5 translation，since it is within the NSSA
考题
Which of the following are not true OSPF LSA rules？（）A、OSPF LSA type 5 triggers an LSA type 7 at an ABR between an NSSA and the backbone areaB、OSPF LSA type 1 triggers an LSA type 3 at an ABR.C、OSPF LSA type 7 triggers an LSA type 5 at an ABR between an NSSA and the backbone areaD、OSPF LSA type 3 triggers an LSA type 4 at an ABR.E、OSPF LSA type 5 triggers an LSA type 7 at an A5BR but only in N5SAsF、OSFP LSA type 2 triggers an LSA type 3 at an ABR
考题
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.
考题
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
考题
Which three statements about OSPF partial SPF are true？（）A、If it is triggered by Type 4， all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7 LSAs are processedB、If it is triggered by Types 5 and 7， all Type 5 and 7 LSAs that contribute to a certain destination are processed.C、If it is triggered by Type 2， all Type 2 LSAs that contribute to a certain destination are processed.D、If it is triggered by the change of Type 3， 4， 5， and 7 LSAs.E、If it is triggered by the change of Type 2， 3， 5， and 7 LSAs
考题
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
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.
考题
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?（）A、set protocols ospf area-range network/mask-lengthB、set protocols ospf area area-id nssa area-range network/mask-lengthC、set protocols ospf area area-id area-range network/mask-length restrictD、set protocols ospf area area-id nssa area-range network/mask-length restrict
考题
Which LSA is used in JUNOS software when a OSPF router restarts？（）A、LSA Type 6B、LSA Type 9C、LSA Type 10D、LSA Type 11
考题
OSPFv3 interarea-prefix-LSAs are most similar to which OSPFv2 LSA type?（）A、Type 7 LSAsB、Type 4 summary LSAsC、Type 3 summary LSAsD、Type 5 AS-external LSAs
考题
单选题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
考题
单选题Which router is doing LSA type 7 to type 5 translation，and why？（）A
Both RTA and RTB will do LSA7/5 translation，since they are both NSSA ABRsB
RTA will do LSA7/5 translation，since it has the lower router IDC
RTB will do LSA7/5 translation，since it has the higher router IDD
The redistributing router will do LSA7/5 translation，since it is within the NSSA
考题
单选题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
考题
单选题A verification plan shows a network diagram with branch office Routers B1 through B100, plus two ABRs, ABR1, and ABR2, all in area 100. The branches connect to the ABRs using Frame Relay point - to - point subinterfaces. The verification plan lists the output of the show i p ospf database summary 10.100.0.0 command on a router B1, one of the branches. Which of the following is true regarding the output that could be listed for this command?（）A
The output lists nothing unless 10.100.0.0 has been configured as a summary rou te using the area range command.B
If 10.100.0.0 is a subnet in area 0, the output lists one Type 3 LSA, specifically the LSA with the lower metric when comparing ABR1's and ABR2's LSA for 10.100.0.0.C
If 10.100.0.0 is a subnet in area 0, the output lists two Type 3 LSAs, one each created by BR1 and ABR2.D
None, because the Type 3 LSAs would exist only in the ABR's LSDBs.
考题
单选题Which LSA is used in JUNOS software when a OSPF router restarts？（）A
LSA Type 6B
LSA Type 9C
LSA Type 10D
LSA Type 11
考题
多选题Which three statements about OSPF partial SPF are true？（）AIf it is triggered by Type 4， all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7 LSAs are processedBIf it is triggered by Types 5 and 7， all Type 5 and 7 LSAs that contribute to a certain destination are processed.CIf it is triggered by Type 2， all Type 2 LSAs that contribute to a certain destination are processed.DIf it is triggered by the change of Type 3， 4， 5， and 7 LSAs.EIf it is triggered by the change of Type 2， 3， 5， and 7 LSAs
考题
多选题Which of the following are not true OSPF LSA rules？（）AOSPF LSA type 5 triggers an LSA type 7 at an ABR between an NSSA and the backbone areaBOSPF LSA type 1 triggers an LSA type 3 at an ABR.COSPF LSA type 7 triggers an LSA type 5 at an ABR between an NSSA and the backbone areaDOSPF LSA type 3 triggers an LSA type 4 at an ABR.EOSPF LSA type 5 triggers an LSA type 7 at an A5BR but only in N5SAsFOSFP LSA type 2 triggers an LSA type 3 at an ABR
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