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多选题
Which three restrictions apply to OSPF stub areas?（）
A
The area cannot be a backbone area.
B
Inter area routes are suppressed.
C
The area has no more than 10 routers.
D
No virtual links are allowed.
E
No autonomous system border routers are allowed.
F
Redistribution is not allowed unless the packet is changed to a type 7 packet.
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更多 “多选题Which three restrictions apply to OSPF stub areas?（）AThe area cannot be a backbone area.BInter area routes are suppressed.CThe area has no more than 10 routers.DNo virtual links are allowed.ENo autonomous system border routers are allowed.FRedistribution is not allowed unless the packet is changed to a type 7 packet.” 相关考题
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There are three static routes in the routing table that need to be announced to your OSPF peers. Which method is used to accomplish this?()
A. Apply an import policy to OSPF that injects the static routes into OSPFB. Apply an import policy to the static routes that injects the static routes into OSPFC. Apply an export policy to the static routes that injects the static routes into OSPFD. Apply an export policy to OSPF that injects the static routes into OSPF
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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
考题
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
考题
Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router?()
A. A virtual link to area 0.B. OSPF summarization command.C. default - cost extension to the area command.D. no - summary extension to the area stub comm and.E. None of the other alternatives apply
考题
Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router？（）A、A virtual link to area 0.B、OSPF summarization command.C、default - cost extension to the area command.D、no - summary extension to the area stub comm and.E、None of the other alternatives apply
考题
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
考题
Which three restrictions apply to OSPF stub areas？ （）A、 No virtual links are allowed.B、 The area cannot be a backbone area.C、 Redistribution is not allowed unless the packet is changed to a type 7 packet.D、 The area has no more than 10 routers.E、 No autonomous system border routers are allowed.F、 Interarea routes are suppressed.
考题
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
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 true statements regarding the characteristics of OSPF areas? Select all that apply.（）A、All OSPF networks require the use of multiple areasB、Multiple OSPF areas must connect to area 0C、Single area OSPF networks must be configured in area 1D、Areas can be assigned any number from 0 to 63535E、Area 0 is called the backbone areaF、Each OSPF area need to be configured with a loopback interface
考题
There are three static routes in the routing table that need to be announced to your OSPF peers. Which method is used to accomplish this?（）A、Apply an import policy to OSPF that injects the static routes into OSPFB、Apply an import policy to the static routes that injects the static routes into OSPFC、Apply an export policy to the static routes that injects the static routes into OSPFD、Apply an export policy to OSPF that injects the static routes into OSPF
考题
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？（）A、stub areaB、transit areaC、border areaD、not-so-stubby area
考题
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
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
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
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
The maximum number of routers per OSPF area typically depends on which three factors?（）A、the kind of OSPF areas being implementedB、the number of external LSAs in the networkC、the number of DRs and BDRs in the areasD、the number of virtual links in the areasE、how well the areas can be summarizedF、the use of LSA filters
考题
Which command would display OSPF parameters such as filters， default metric， maximum paths，and number of areas configured on a router？（）A、show ip protocolB、show ip routeC、show ip ospf interfaceD、show ip ospfE、show ip interfaceF、None of the other alternatives apply
考题
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
考题
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
考题
单选题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
考题
多选题Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）AAll OSPF networks require the use of multiple areasBMultiple OSPF areas must connect to area 0CSingle area OSPF networks must be configured in area 1DAreas can be assigned any number from 0 to 63535EArea 0 is called the backbone areaFEach OSPF area need to be configured with a loopback interface
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Which command would display OSPF parameters such as filters， default metric， maximum paths，and number of areas configured on a router？（）A
show ip protocolB
show ip routeC
show ip ospf interfaceD
show ip ospfE
show ip interfaceF
None of the other alternatives apply
考题
多选题Which three restrictions apply to OSPF stub areas?（）AThe area cannot be a backbone area.BInter area routes are suppressed.CThe area has no more than 10 routers.DNo virtual links are allowed.ENo autonomous system border routers are allowed.FRedistribution is not allowed unless the packet is changed to a type 7 packet.
考题
多选题The maximum number of routers per OSPF area typically depends on which three factors?（）Athe kind of OSPF areas being implementedBthe number of external LSAs in the networkCthe number of DRs and BDRs in the areasDthe number of virtual links in the areasEhow well the areas can be summarizedFthe use of LSA filters
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 restrictions apply to OSPF stub areas？ （）ANo virtual links are allowed.BThe area cannot be a backbone area.CRedistribution is not allowed unless the packet is changed to a type 7 packet.DThe area has no more than 10 routers.ENo autonomous system border routers are allowed.FInterarea routes are suppressed.
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