单选题What type of router cannot exist within a stub area？（）A ABRB ASBRC internal routerD non-backbone router
单选题
What type of router cannot exist within a stub area？（）
A
ABR
B
ASBR
C
internal router
D
non-backbone router
参考解析
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相关考题：
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
在OSPF中,Stub area与Total Stub area的区别在于对哪类LSA的处理不同()。 A.LSA type 1B.LSA type 2C.LSA type 3D.LSA type 5E.LSA type 7
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
Refer to the exhibit. What additional commands should be used to configure OSPF area 5 as a Totally Stubby area? () A. area 0 stub o n routers R4 and R5B. area 5 stub on routers R4 and R5C. area 5 stub no - summary on routers R4 and R5D. area 0 stub no - summary on router R4 and area 5 stub no - summary on router R5E. area 5 stub no - summary on router R4 and area 5 stub on router R5
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
Refer to the diagram. Which OSPF configuration command is required to configure Area 3 a s atotally stubby area?() A. On the ABR router ospf 10 area 3 stubB. On all Area 3 routers router ospf 10 area 3 stubC. On all Area 3 routers router ospf 10 area 3 stub no - summaryD. On the ABR router ospf 10 area 3 nssaE. On the ABR rou ter ospf 10 area 3 stub no - summary
What bit should be set in the link state PDUs in an IS-IS level-1-2 router to indicate that they are a potentialexit point out of the area ？（）A、ATT（Attached）bitB、IS-Type bitsC、P（Partition）bitD、Down bitE、PN（Pseudonode）biyF、ABR（Area Border Rorter）bit
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
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.
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.
Which three statements about OSPF areas are true?（）A、Areas introduce a boundary on the link - state updates.B、Areas are logical definitions specific to any given router.C、All routers within an area have the exact link - state database.D、The calculation of the Dijkstra algorithm on a router is limited to changes within an area.E、The area designated router will always have a priority of 0.
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
Which three LSA types can be flooded within an OSPF stub area？（）A、Type 1B、Type 2C、Type 3D、Type 5E、Type 7
在OSPF 中，Stub area 与Total Stub area 的区别在于对哪类LSA 的处理不同（） A、 LSA type 1B、 LSA type 2C、 LSA type 3D、 LSA type 5E、 LSA type 7
Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true?（）A、Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.B、Router C will use ICMP to inform Router B that Host 2 cannot be reached.C、Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.D、Router C will send a Destination Unreachable message type.E、Router C will send a Router Selection message type.F、Router C will send a Source Quench message type.
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 the type and scope of the LSA required to support traffic engineering in an OSPFenvironment?（）A、Type 9, AS scopeB、Type 10, AS scopeC、Type 10, Area scopeD、Type 9, Area scope
What type of router cannot exist within a stub area？（）A、 ABRB、 ASBRC、 internal routerD、 non-backbone router
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ABR R1 has been configured with an area 1 stub no - summary command. Which stubby area type is area 1?（）AStubBTotally stubbyCNSSADTotally NSSA
多选题Which three statements about OSPF areas are true?（）AAreas introduce a boundary on the link - state updates.BAreas are logical definitions specific to any given router.CAll routers within an area have the exact link - state database.DThe calculation of the Dijkstra algorithm on a router is limited to changes within an area.EThe area designated router will always have a priority of 0.
单选题What bit should be set in the link state PDUs in an IS-IS level-1-2 router to indicate that they are a potentialexit point out of the area ？（）AATT（Attached）bitBIS-Type bitsCP（Partition）bitDDown bitEPN（Pseudonode）biyFABR（Area Border Rorter）bit
单选题What type of router cannot exist within a stub area？（）A ABRB ASBRC internal routerD non-backbone router
多选题From a design perspective which two of the following OHPF Statements are most relevant？（）AOSPF stub areas can be thought of as a simple form of summarizationBOSPF cannot filter intra area routesCAn ARR ran only exist in two areas - the backbone and one adjacent areaDPerformance issues in the Backbone area can be offset by allowing some traffic to transit anon-backbone areaEthe size of an area （the LSDB） will be constrained by the size of the IP MTU
多选题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?（）AApply the area 4 stub command to all routers in the areaBOn the ABR, use the area 4 stub command with the no - summary keywordCOn the ABR, specify a default cost for the area with the area default - cost commandDOn the ABR, use the default - information originate command to inject a default route into area 4EUse the auto - cost command on each router in the area to automatically determine the cost to other OSPF areas
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.
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.