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Perguntas do quiz (19)
1Which LSA sends out information about known networks in an area?
- AType 1 Router LSA
- BType 2 Network LSA
- CType 3 Summary LSA
- DType 4 ASBR Summary LSA
- EType 5 Autonomous system external LSA
- FType 7 NSSA LSA
2What option matches the type 2 LSA?
- AThe type 2 LSA is used for DR/BDR to let them know which routers belong to the multi-access network.
- BThe type 2 LSA is used to propagate the "tree" for each router in an area.
- CThe type 2 LSA is only used in PPP-network types when DR and BDR is not used.
- DThe type 2 LSA is used by the DR/BDR to tell the other routers in a segment which prefix they belong to and who the DR/BDR are.
3What characteristics corresponds with the type 3 LSA?
- AType 3 LSA is only propagated inside an area.
- BType 3 LSA's are created from internal routers.
- CType 3 LSA's needs an ASBR.
- DType 3 LSA's needs an ABR.
- EType 3 LSA's is only propagated between areas.
4The type 4 LSA contains information about?
- AThe router ID of the DR.
- BHow to reach the ABR.
- CHow to reach a specific area.
- DHow to reach the ASBR.
5What routes-type sends out type 5 LSA for what purpose?
- AASBR sends out type 5 LSA to let other areas know how to reach it.
- BASBR sends out type 5 LSA with summary information between areas.
- CABR sends out type 5 LSA with external summary information between areas.
- DDR sends out type 5 LSA to propagate the multi-access segment with prefixes to other networks.
- EASBR sends out type 5 LSA with summary information to other networks outside the OSPF-domain.
6What is the purpose of the type 7 LSA?
- AThe type 7 LSA is used to propagate redistributed networks into Not-so-stubby-areas.
- BThe type 7 LSA is used instead of type 3 LSA's that are blocked in totally stubby areas.
- CThe type 7 LSA is exactly the same as the type 5 LSA.
- DThe type 7 LSA carries information about external networks.
7Stub areas allow type 5 LSA's.
- AVerdadeiro
- BFalso
8Stub areas allow type 3 LSA.
- AVerdadeiro
- BFalso
9The AS summary LSA is created by the?
- ADR
- BABR
- CASBR
- DBackbone Router
10What is the type 8 LSA called?
- ALink LSA
- BIntra-area prefix LSA
- CInter-area prefix LSA
- DLink-local LSA
11The type 9 LSA is used for what?
- AThe intra-area prefix LSA is the same as the type 1 and 2 LSA in OSPFv2.
- BThe inter-area prefix LSA is the same as the type 1 and 2 LSA in OSPFv2.
- CThe intra-area prefix is used to summarize networks between areas.
- DThe inter-area prefix is used to summarize networks between areas.
12Which LSA types are renamed in OSPFv3?
- ARouter LSA
- BSummary LSA
- CNetwork LSA
- DASBR summary LSA
- EAS LSA
- FType 7 LSA
13OSPFv3 supports only IPv4
- AVerdadeiro
- BFalso
14OSPF supports what types of authentication?
- AMD5
- BPlain text
- CSHA
- DTimed based MD5
- EShared secret
15Virtual link can be configured over stub areas.
- AVerdadeiro
- BFalso
16To configure route summarization in OSPF, which command is used?
- AArea range
- BSummary-address
- Cdefault-information originate
- DAuto-summary enable
17How do you inject a default-route into OSPF?
- AUse the default-route command in router-configuration mode.
- BCreate a static default-route and use the redistribute command.
- CUse the default-information originate command.
- DUse the default-information originate always command.
18Where is priority used in OSPF?
- AIn the election of master and slave when database description packets are exchanged.
- BThe calculation of shortest path.
- CThe election of DR and BDR
- DIn the creation of stub areas where priority 0 is used to flag an area as stub.
19What is a Database descriptor packet?
- AA database descriptor packet is another name for hello-packets which keeps the databases synchronized across all routers in an area.
- BIt's used to compare the LSDB between routers in an area to see if more link-state Query packets need to be sent.
- CIt describes the database of the router, what RID, prefix and if it's a DR or BDR.
- Dit compares the LSDB of the routers participating in order to see what is missing in each database to get a fully synchronized topology of the area.
Informações
- Descrição
- Random questions about OSPF
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