OSPF stub areas are an important tool for the Network designer； which of the following two shouldbe considered when utilizing OSPF stub areas？ （）A、 OSPF stub areas increase the size of the LSDB with the addition of Type 3 and 5 LSAsB、 OSPF not so stubby areas are particularly useful as a simpler form of summarizationC、 OSPF stub areas are always insulated from external changesD、 OSPF totally stubby cannot distinguish among ABRs for the best route to destinationsoutsidethe areasE、 OSPF stub areas can distinguish among ASBRs for destinations that are external to the OSPFdomain
OSPF stub areas are an important tool for the Network designer； which of the following two shouldbe considered when utilizing OSPF stub areas？ （）
- A、 OSPF stub areas increase the size of the LSDB with the addition of Type 3 and 5 LSAs
- B、 OSPF not so stubby areas are particularly useful as a simpler form of summarization
- C、 OSPF stub areas are always insulated from external changes
- D、 OSPF totally stubby cannot distinguish among ABRs for the best route to destinationsoutsidethe areas
- E、 OSPF stub areas can distinguish among ASBRs for destinations that are external to the OSPFdomain
相关考题：
What is a function of the OSPF Type 7 LSA?() A. It describes the reachability of routes in stub areas.B. It describes the reachability of routes in totally-stubby areas.C. It describes the reachability of routes in not-so-stubby areas.D. It describes the reachability of routes in partially-stubby areas.
An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?（）A. stub areaB. transit areaC. border areaD. not-so-stubby area
Which two statements are true about IS －IS routing?() A. Based on the default timers, OSPF d etects a failure faster than IS - IS does.B. OSPF default timers permit more tuning than IS - IS does.C. IS - IS is more efficient than OSPF in the use of CPU resources.D. OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.E. IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.
To make OSPF area 4 totally stubby, the following command was issued on the ABR in router configuration mode: area 4 stub.Which two things need to be done to finish making area 4 a totally stubby area?（）A. Apply the area 4 stub command to all routers in the areaB. On the ABR, use the area 4 stub command with the no - summary keywordC. On the ABR, specify a default cost for the area with the area default - cost commandD. On the ABR, use the default - information originate command to inject a default route into area 4E. Use the auto - cost command on each router in the area to automatically determine the cost to other OSPF areas
When verifying OSPF virtual link problems, which is an important item to check on the two transit OSPF routers?() A. OSPF process IDB. OSPF router IDC. OSPF network typeD. OSPF memory usageE. OSPF CPU utilizationF. OSPF stub area configurations
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 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.
Which statement describes the process ID that is used to run OSPF on a router ?() A.It is locally significant and must be the same throughout an areaB.It is globally significant and is used to represent the AS numberC.It is locally significant and is used to identify an instance of the OSPF databaseD.It is globally significant and is used to identify OSPF stub areas
To make OSPF area 4 totally stubby, the following command was issued on the ABR in router configuration mode: area 4 stub.Which two things need to be done to finish making area 4 a totally stubby area?（）A、Apply the area 4 stub command to all routers in the areaB、On the ABR, use the area 4 stub command with the no - summary keywordC、On the ABR, specify a default cost for the area with the area default - cost commandD、On the ABR, use the default - information originate command to inject a default route into area 4E、Use the auto - cost command on each router in the area to automatically determine the cost to other OSPF areas
From a design perspective which two of the following OHPF Statements are most relevant？（）A、 OSPF stub areas can be thought of as a simple form of summarizationB、 OSPF cannot filter intra area routesC、 An ARR ran only exist in two areas - the backbone and one adjacent areaD、 Performance issues in the Backbone area can be offset by allowing some traffic to transit anon-backbone areaE、 the size of an area （the LSDB） will be constrained by the size of the IP MTU
When verifying OSPF virtual link problems, which is an important item to check on the two transit OSPF routers?（）A、OSPF process IDB、OSPF router IDC、OSPF network typeD、OSPF memory usageE、OSPF CPU utilizationF、OSPF stub area configurations
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）.
An OSPF non-backbone area allows external routes to be flooded within the area. These external routes are propagated into other areas. However， external routes from other areas are not allowed to enter this area. Which type of SPF area does this describe？（）A、stub areaB、transit areaC、border areaD、not-so-stubby area
An OSPF non-backbone area follows external routes to be flooded within the area. These external routes are propagated into other areas. However， external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe？（）A、stub areaB、transit areaC、border areaD、not-so-stubby area
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.
Which statement describes the process ID that is used to run OSPF on a router ?（）A、It is locally significant and must be the same throughout an areaB、It is globally significant and is used to represent the AS numberC、It is locally significant and is used to identify an instance of the OSPF databaseD、It is globally significant and is used to identify OSPF stub areas
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
Area Border Router （ABR） is a router located on the border of one or more OSPF areas that connect those areas to the backbone network. An ABR will inject a default route into which two types of areas？（）A、Area 0B、NSSAC、Totally stubbyD、Stub
What is a function of the OSPF Type 7 LSA?（）A、It describes the reachability of routes in stub areas.B、It describes the reachability of routes in totally-stubby areas.C、It describes the reachability of routes in not-so-stubby areas.D、It describes the reachability of routes in partially-stubby areas.
An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?（）A、stub areaB、transit areaC、border areaD、not-so-stubby area
单选题An OSPF non-backbone area follows external routes to be flooded within the area. These external routes are propagated into other areas. However， external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe？（）Astub areaBtransit areaCborder areaDnot-so-stubby area
多选题OSPF stub areas are an important tool for the Network designer； which of the following two shouldbe considered when utilizing OSPF stub areas？ （）AOSPF stub areas increase the size of the LSDB with the addition of Type 3 and 5 LSAsBOSPF not so stubby areas are particularly useful as a simpler form of summarizationCOSPF stub areas are always insulated from external changesDOSPF totally stubby cannot distinguish among ABRs for the best route to destinationsoutsidethe areasEOSPF stub areas can distinguish among ASBRs for destinations that are external to the OSPFdomain
单选题What is a function of the OSPF Type 7 LSA?（）AIt describes the reachability of routes in stub areas.BIt describes the reachability of routes in totally-stubby areas.CIt describes the reachability of routes in not-so-stubby areas.DIt describes the reachability of routes in partially-stubby areas.
单选题When verifying OSPF virtual link problems, which is an important item to check on the two transit OSPF routers?（）AOSPF process IDBOSPF router IDCOSPF network typeDOSPF memory usageEOSPF CPU utilizationFOSPF stub area configurations
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
单选题Which one of these statements is true of OSPF type 5 LSAs？（）AThey are used to summarize area routes to other areas.BThey are used in not-so-stubby areas to propagate external routes.CThey are used to notify areas of the ASBR.DThey are flooded to all areas except stub areas （external route）.
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）.