单选题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?（）Astub areaBtransit areaCborder areaDnot-so-stubby area
单选题
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 area
B
transit area
C
border area
D
not-so-stubby area
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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
You want to suppress advertisement of all routes within the 200.200.0.0／16 range to your OSPFneighbors in other areas. Which configuration accomplishes this goal?() A. [edit protocols ospf area area-id] area-range 200.200.0.0/16 discard;B. [edit protocols ospf area area-id] area-range 200.200.0.0/16 restrict;C. [edit protocols ospf area area-id] area-range 200.200.0.0/16 no-summary;D. [edit protocols ospf area area-id] area-range 200.200.0.0/16 suppress;
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.
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
When an OSPF design is planned, which implementation can help a router not have memory resource issues?() A. Have a backbone area (area 0) with 40 routers and use default routes to reach external destinationsB. Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPFC. Have less OSPF areas to reduce the need for interarea route summarizationsD. Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2
You are troubleshooting an OSPF problem where external routes are not showing up in the OSPF database. Which two options a re valid checks that should be performed first to verify proper OSPF operation?（）A、Are the ASBRs trying to redistribute the external routes into a totally stubby area?B、Are the ABRs configured with stubby areas?C、Is the subnets keyword being used with the redistribution command?D、Is backbone area (area 0) contiguous?E、Is the CPU utilization of the routers high?
When an OSPF design is planned, which implementation can help a router not have memory resource issues?（）A、Have a backbone area (area 0) with 40 routers and use default routes to reach external destinationsB、Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPFC、Have less OSPF areas to reduce the need for interarea route summarizationsD、Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2
Neither external routes nor interarea routes will inject into this area. What is the area type and how can you configure it？
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 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）.
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.
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
You want to suppress advertisement of all routes within the 200.200.0.0/16 range to your OSPFneighbors in other areas. Which configuration accomplishes this goal?（）A、[edit protocols ospf area area-id] area-range 200.200.0.0/16 discard;B、[edit protocols ospf area area-id] area-range 200.200.0.0/16 restrict;C、[edit protocols ospf area area-id] area-range 200.200.0.0/16 no-summary;D、[edit protocols ospf area area-id] area-range 200.200.0.0/16 suppress;
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.
You want to suppress advertisement of all routes within the 200.200.0.0/16 range to your OSPF neighbors in other areas. Which configuration accomplishes this goal？（）A、[edit protocols ospf area area-id] area-range200.200.0.0/16 discard；B、[edit protocols ospf area area-id] area-range200.200.0.0/16 restrict；C、[edit protocols ospf area area-id] area-range200.200.0.0/16 no-summary；D、[edit protocols ospf area area-id] area-range200.200.0.0/16 suppress；
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
单选题When an OSPF design is planned, which implementation can help a router not have memory resource issues?（）AHave a backbone area (area 0) with 40 routers and use default routes to reach external destinationsBHave a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPFCHave less OSPF areas to reduce the need for interarea route summarizationsDHave multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2
单选题You want to suppress advertisement of all routes within the 200.200.0.0/16 range to your OSPFneighbors in other areas. Which configuration accomplishes this goal?（）A[edit protocols ospf area area-id] area-range 200.200.0.0/16 discard;B[edit protocols ospf area area-id] area-range 200.200.0.0/16 restrict;C[edit protocols ospf area area-id] area-range 200.200.0.0/16 no-summary;D[edit protocols ospf area area-id] area-range 200.200.0.0/16 suppress;
单选题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?（）Astub areaBtransit areaCborder areaDnot-so-stubby area
单选题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？（）Astub areaBtransit areaCborder areaDnot-so-stubby area
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
问答题Neither external routes nor interarea routes will inject into this area. What is the area type and how can you configure it？
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 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You want to suppress advertisement of all routes within the 200.200.0.0/16 range to your OSPF neighbors in other areas. Which configuration accomplishes this goal？（）A[edit protocols ospf area area-id] area-range200.200.0.0/16 discard；B[edit protocols ospf area area-id] area-range200.200.0.0/16 restrict；C[edit protocols ospf area area-id] area-range200.200.0.0/16 no-summary；D[edit protocols ospf area area-id] area-range200.200.0.0/16 suppress；
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）.