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.
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.
相关考题:
OSPF is a link-state routing protocol。It is designed to be run internal to a single __(71__system。Each OSPF router maintains an identical __(72)__ describing the autonomous system’s topology。From this database,a routing table is calculated by constructing a shortest-path __(73)__。OSPF recalculates routes quickly in the face of topological changes,utilizing a minimum of routing __(74)__ traffic。OSPF provides support for equal-cost multipath。An area routing capability is provided,enabling an additional level of routing protection and a reduction in routing protocol __(75)__。A.autonomousB.networkC.computerD.server
What is the default import routing for OSPF?() A. Accept all OSPF routes and install them into the 3 routing tableB. Accept all OSPF routes and install them into the inet7.0 routing tableC. Accept all OSPF routes and install them into the inet4.0 routing tableD. Accept all OSPF routes and install them into the inet.0 routing table
OSPF is a link-state routing protocol。It is designed to be run internal to a single __(71)__system。Each OSPF router maintains an identical __(72)__ describing the autonomous system’s topology。From this database,a routing table is calculated by constructing a shortest-path __(73)__。OSPF recalculates routes quickly in the face of topological changes,utilizing a minimum of routing __(74)__ traffic。OSPF provides support for equal-cost multipath。An area routing capability is provided,enabling an additional level of routing protection and a reduction in routing protocol__(75)__。71A.autonomousB.networkC.computerD.server
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.
Half of your network uses RIPv2 and the other half runs OSPF. The networks do not communicate with each other. Which two of these factors describe the impact of activating EIGRP over each separate part? ()A、EIGRP will not be accepted when configured on the actual RIPv2 routers.B、OSPF will no longer be used in the routing table, because you only have EIGRP internal routes running.C、OSPF will no longer be used in the routing table, because you only have EIGRP external routes running.D、RIPv2 will populate its RIP database but not its routing table, because you only have EIGRP external routes running.E、RIPv2 will populate its RIP database but not its routing table, because you only have EIGRP internal routes running.F、OSPF database will have RIPv2 routes.
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
Which statement about OSPF authentication is true?()A、To enable OSPF authentication in a network, OSPF area 0 authentications must be enabled firstB、The payload of OSPF version 3 packets contains no authentication informationC、OSPF version 3 supports Advanced Encryption StandardD、OSPF version 3 uses router ID as a key to encrypt OSPF hello packetsE、OSPF MD5 authentication uses TCP, and Plan Test authentication uses UDP
When attempting to view the OSPF routes in the routing table, you issue the command show route table inet.3 but no OSPF routes are displayed. What is the problem?()A、The OSPF routes are located in the inet4.0 routing table.B、The OSPF routes are located in the inet.0 routing table.C、The OSPF routes are located in the inet.2 routing table.D、The OSPF routes are located in the inet4.3 routing table.
What is the default import routing policy for OSPF?()A、Accept all OSPF routes and install them into the inet.3 routing table.B、Accept all OSPF routes and install them into the inet7.0 routing table.C、Accept all OSPF routes and install them into the inet4.0 routing table.D、Accept all OSPF routes and install them into the inet.0 routing table.
What are three characteristics of the OSPF routing protocol?()A、It converges quickly.B、OSPF is a classful routing protocol.C、It uses cost to determine the best route.D、It uses the DUAL algorithm to determine the best route.E、OSPF routers send the complete routing table to all directly attached routers.F、OSPF routers discover neighbors before exchanging routing information.
Which statement is true, as relates to classful or classless routing?()A、Automatic summarization at classful boundries can cause problems on discontinuous subnetsB、EIGRP and OSPF are classful routing protocols and summarize routes by defaultC、RIPv1 and OSPF are classless routing protocolsD、Classful routing protocols send the subnet mask in routing updates
Which three factors have the biggest influence on OSPF scalability?()A、Flooding paths and redundancyB、Amount of routing information in the OSPF area or routing domainC、Number of routers with Cisco Express Forwarding enabledD、Number of neighbor adjacenciesE、Other routing protocols in useF、OSPF timer reconstruction negotiationG、Redistribution with BGP neighborsH、Redistribution with other IGP routing protocols, such as RIP or EIGRP
Which statement is true, as relates to classful or classless routing?()A、RIPV1 and OSPF are classless routing protocols.B、Classful routing protocols send the subnet mask in routing updates.C、Automatic summarization at classful boundaries can cause problems on disc……D、EIGRP and OSPF are classful routing protocols and summarize routes by def……
Which two statements about OSPF IPv6 routing are true?()A、It requires OSPF version 3.B、automatically detects neighbors over NHMA interfacesC、It supports encryption usingD、It uses LSA type 9E、It uses LSA type 8
A co-worker is developing an implementation plan for a design that uses OSPF 2 and RIPv2 routing domains, with two routers redistributing between the two domains.The co- worker asks your help in choosing how to prevent domain loops by setting administrative distance. Assuming all other related settings use defaults, which of the following would solve the domain loop problem?()A、The distance ospf intra - area 80 inter - area 80 OSPF subcommandB、T he distance ospf external 80 OSPF subcommandC、The distance ospf intra - area 180 inter - area 180 OSPF subcommandD、The distance ospf external 180 OSPF subcommand
When attepting to view the OSPF routes in the routing table, you issue the command show route table inet but no OSPF routes are displayed. What is the problem?()A、The OSPF routes are located in the inet 4 routing tableB、THe OSPF routes are located in the inet 0 routing tableC、The OSPF routes are located in the inet 2 routing tableD、The OSPF routes are located in the inet 4.3 routing table
单选题A co-worker is developing an implementation plan for a design that uses OSPF 2 and RIPv2 routing domains, with two routers redistributing between the two domains.The co- worker asks your help in choosing how to prevent domain loops by setting administrative distance. Assuming all other related settings use defaults, which of the following would solve the domain loop problem?()AThe distance ospf intra - area 80 inter - area 80 OSPF subcommandBT he distance ospf external 80 OSPF subcommandCThe distance ospf intra - area 180 inter - area 180 OSPF subcommandDThe distance ospf external 180 OSPF subcommand
单选题When attepting to view the OSPF routes in the routing table, you issue the command show route table inet but no OSPF routes are displayed. What is the problem?()AThe OSPF routes are located in the inet 4 routing tableBTHe OSPF routes are located in the inet 0 routing tableCThe OSPF routes are located in the inet 2 routing tableDThe OSPF routes are located in the inet 4.3 routing table
单选题When attempting to view the OSPF routes in the routing table, you issue the command show route table inet.3 but no OSPF routes are displayed. What is the problem?()AThe OSPF routes are located in the inet4.0 routing table.BThe OSPF routes are located in the inet.0 routing table.CThe OSPF routes are located in the inet.2 routing table.DThe OSPF routes are located in the inet4.3 routing table.
单选题Which security mechanism uses the concept of a realm?()AAuthorizationBData integrityCConfidentialityDAuthentication
多选题What are three characteristics of the OSPF routing protocol?()AIt converges quickly.BOSPF is a classful routing protocol.CIt uses cost to determine the best route.DIt uses the DUAL algorithm to determine the best route.EOSPF routers send the complete routing table to all directly attached routers.FOSPF routers discover neighbors before exchanging routing information.
多选题Which two statements about OSPF IPv6 routing are true?()AIt requires OSPF version 3.Bautomatically detects neighbors over NHMA interfacesCIt supports encryption usingDIt uses LSA type 9EIt uses LSA type 8
单选题What is the default import routing for OSPF?()AAccept all OSPF routes and install them into the 3 routing tableBAccept all OSPF routes and install them into the inet7.0 routing tableCAccept all OSPF routes and install them into the inet4.0 routing tableDAccept all OSPF routes and install them into the inet.0 routing table
单选题Which statement about OSPF authentication is true?()ATo enable OSPF authentication in a network, OSPF area 0 authentications must be enabled firstBThe payload of OSPF version 3 packets contains no authentication informationCOSPF version 3 supports Advanced Encryption StandardDOSPF version 3 uses router ID as a key to encrypt OSPF hello packetsEOSPF MD5 authentication uses TCP, and Plan Test authentication uses UDP
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 information will the Cisco IOS command show ip ospf rib display?()Aonly the local OSPF routesBonly the OSPF routes installed in the routing tableConly the remotely learned OSPF routesDall the OSPF routes from the OSPF database that are eligible to be put in the routing table