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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 processed
- B、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
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更多 “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” 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 of the following is true about routers internal to a totally NSSA area?()
A. Routers cannot redistribute external routes into the area.B. Routers should have zero Type 3 LSAs in their LSDBs.C. Routers should have zero Type 5 LSAs in their LSDBs.D. Routers should learn default routes from the ABRs attached to the area.
考题
Routers R1, R2, R3, and R4 connect to the same 10.10.10.0/24 LAN- based subnet. OSPF is fully working in the subnet. Later, R5, whose OSPF priority is higher than the other four routers, joins the subnet.Which of the following are true about the OSPF database exchange process over this subnet at this point?（）A. R5 will send its DD, LSR, and LSU packets to the 224.0.0.5 all - DR - routers multicast address.B. R5 will send its DD, LSR, and LSU pack ets to the 224.0.0.6 all - DR - routers multicast address.C. The DR will inform R5 about LSAs by sending its DD, LSR, and LSU packets to the 224.0.0.6 all- SPF - routers multicast address.D. The DR will inform R5 about LSAs by sending its DD, LSR, and LSU pa ckets to the 224.0.0.5 all- SPF - routers multicast address.
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
Refer to the exhibit. Will redistribute d RIP routes from OSPF Area 2 be allowed in Area 1? ()
A. RIP routes will be allowed in Area 1 only if they are first redistributed into EIGRP.B. Because NSSA will discard type 7 LSAs, redistributed RIP routes will not be allowed in Area 1.C. Redistrib uted RIP routes will be allowed in Area 1 because they will be changed into type 5 LSAs in Area 0 and passed on into Area 1.D. Redistributed RIP routes will be allowed in Area 1 because they will be changed into type 7 LSAs in Area 0 and passed on into Area 1.E. Because Area 1 is an NSSA, redistributed RIP routes will not be allowed.
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
Refer to the exhibit. OSPF has been configured on all routers in the network and Area 1 has been configured as a NSSA. Which statement is true about the NSSA Area 1?()
A. Only redistributed RIP routes will appear in Area 1. They will be advertised via t ype 7 LSAsB. No redistributed routes can appear in Area 1, only summary routesC. Redistributed RIP and IGRP routes will appear in Area 1. They will be advertised via type 5 LSAsD. Only redistributed IGRP routes will appear in Area 1. They will be advertised via type 7 LSAs
考题
WhichstatementbestdescribesOSPFexternalLSAs(type5)?()
A.OSPFexternalLSAsareautomaticallyfloodedintoallOSPFareas，unliketype7LSAs，whichrequirethatredistributionbeconfigured.B.ExternalLSAs（type5）areautomaticallychangedtotype1LSAsatASBRs.C.Type5LSAsareroutesummariesdescribingroutestonetworksoutsidetheOSPFAutonomousSystem.D.ExternalnetworkLSAs（type5）redistributedfromotherroutingprotocolsintoOSPFarenotpermittedtofloodintoastubarea.
考题
The show ip ospf database external command displays information about which OSPF LSA type？（）A、LSA type 1B、LSA type 2C、LSA type 7D、LSA type 3E、LSA type 9F、LSA type 5
考题
Which one of these statements is true of OSPF type 5 LSAs？ （）A、 They are used to summarize area routes to other areas.B、 They are used in not-so-stubby areas to propagate external routes.C、 They are used to notify areas of the ASBR.D、 They are flooded to all areas except stub areas （external route）.
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 of the following is true about routers internal to a totally NSSA area?（）A、Routers cannot redistribute external routes into the area.B、Routers should have zero Type 3 LSAs in their LSDBs.C、Routers should have zero Type 5 LSAs in their LSDBs.D、Routers should learn default routes from the ABRs attached to the area.
考题
Which three LSA types can be flooded within an OSPF stub area？（）A、Type 1B、Type 2C、Type 3D、Type 5E、Type 7
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 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
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
多选题When verifying the OSPF link state database, which type of LSAs should you expect to see within the different OS PF area types?（）AAll OSPF routers in stubby areas can have type 3 LSAs in their database.BAll OSPF routers in stubby areas can have type 7 LSAs in their database.CAll OSPF routers in totally stubby areas can have type 3 LSAs in their database.DAll OSPF routers in totally stubby areas can have type 7 LSAs in their database.EAll OSPF routers in NSSA areas can have type 3 LSAs in their database.FAll OSPF routers in NSSA areas can have type 7 LSAs in their database.
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
单选题Which one of these statements is true of OSPF type 5 LSAs？（）A
They are used to summarize area routes to other areas.B
They are used in not-so-stubby areas to propagate external routes.C
They are used to notify areas of the ASBR.D
They are flooded to all areas except stub areas （external route）.
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
考题
单选题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 one of these statements is true of OSPF type 5 LSAs？ （）A
They are used to summarize area routes to other areas.B
They are used in not-so-stubby areas to propagate external routes.C
They are used to notify areas of the ASBR.D
They are flooded to all areas except stub areas （external route）.
考题
单选题The show ip ospf database external command displays information about which OSPF LSA type？（）A
LSA type 1B
LSA type 2C
LSA type 7D
LSA type 3E
LSA type 9F
LSA type 5
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