Which of the following are characteristics of OSPF areas?() A. Hierarchical OSPF networks need to be in one areaB. 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
Which of the following are characteristics of OSPF areas?()
A. Hierarchical OSPF networks need to be in one area
B. Multiple OSPF areas must connect to area 0
C. Single area OSPF networks must be configured in area 1
D. Areas can be assigned any number from 0 to 63535
E. Area 0 is called the backbone area
F. Each OSPF area need to be configured with a loopback interface
相关考题：
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
OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?() A. Each OSPF area requires a loopback interface to be configured.B. Areas may be assigned any number from 0 to 65535.C. Area 0 is called the backbone area.D. Hierarchical OSPF networks do not require multiple areas.E. Multiple OSPF areas must connect to area 0.F. Single area OSPF networks must be configured in area 1.
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
OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?（）A、Each OSPF area requires a loopback interface to be configured.B、Areas may be assigned any number from 0 to 65535.C、Area 0 is called the backbone area.D、Hierarchical OSPF networks do not require multiple areas.E、Multiple OSPF areas must connect to area 0.F、Single area OSPF networks must be configured in area 1.
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.
When implementing OSPFv3, which statement describes the configuration of OSPF areas?（）A、In interface configuration mode, the OSPFv3 area ID combination assigns interfaces to OSPFv3 areas.B、In router configuration mode, the network wildcard area ID combination assigns networks to OSPFv3 areas.C、In interface configuration mode, the IPv6 OSPF process area ID combination assigns interfaces to OSPFv3 areas.D、In router configuration mode, the IPv6 OSPF interface area ID combination assigns interfaces to OSPFv3 areas.
Which of the following data structures exist on a router for the OSPF routing protocol？（）A、OSPF topology tableB、OSPF interface tableC、OSPF routing information baseD、OSPF link-state databaseE、OSPF adjacency tableF、OSPF neighbor table
One of the most important characteristics of OSPF is Multiple areas. Which statement best describes why this feature is such an important enhancement to earlier routing protocols?（）A、The network domain, when divided into areas, allows for the use of both IANA classful addressing and private addressing.B、The use of multiple areas allows for the use of prioritization.C、All computation is kept within the area, with minimum communication between the areas,allowing the network to scale to larger sizes.D、It is easier to implement security.
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
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 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
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 of the following are characteristics of OSPF areas?（）A、Hierarchical OSPF networks need to be in one areaB、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
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
Which three characteristics apply to IS - IS but not to OSPF?（）A、uses a default IOS metric of 10 on each interfaceB、uses an on - demand circuit to reduce the hello and LSA flooding across switched WAN li nks,such as ISDNC、uses a DIS and a backup DIS to present the psuedo - node on the LAND、encapsulates PDUs directly into a data - link frameE、uses stubby areas to improve network scalabilityF、runs PRC (Partial Route Calculations) to calculate IP re achability information
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
Which of the following can either directly or indirec tly identify all the interfaces for which both 1) OSPF has been enabled and 2) OSPF is not passive?（）A、show ip ospf databaseB、show ip ospf interface briefC、show ip protocolsD、show ip route ospfE、show ip ospf neighbors
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One of the most important characteristics of OSPF is Multiple areas. Which statement best describes why this feature is such an important enhancement to earlier routing protocols?（）AThe network domain, when divided into areas, allows for the use of both IANA classful addressing and private addressing.BThe use of multiple areas allows for the use of prioritization.CAll computation is kept within the area, with minimum communication between the areas,allowing the network to scale to larger sizes.DIt is easier to implement security.
多选题Which of the following are characteristics of OSPF areas?（）AHierarchical OSPF networks need to be in one areaBMultiple 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
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
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）.
多选题Which three characteristics apply to IS - IS but not to OSPF?（）Auses a default IOS metric of 10 on each interfaceBuses an on - demand circuit to reduce the hello and LSA flooding across switched WAN li nks,such as ISDNCuses a DIS and a backup DIS to present the psuedo - node on the LANDencapsulates PDUs directly into a data - link frameEuses stubby areas to improve network scalabilityFruns PRC (Partial Route Calculations) to calculate IP re achability information
多选题Which of the following can either directly or indirec tly identify all the interfaces for which both 1) OSPF has been enabled and 2) OSPF is not passive?（）Ashow ip ospf databaseBshow ip ospf interface briefCshow ip protocolsDshow ip route ospfEshow ip ospf neighbors
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
多选题OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?（）AEach OSPF area requires a loopback interface to be configured.BAreas may be assigned any number from 0 to 65535.CArea 0 is called the backbone area.DHierarchical OSPF networks do not require multiple areas.EMultiple OSPF areas must connect to area 0.FSingle area OSPF networks must be configured in area 1.
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）.