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
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 database
B. show ip ospf interface brief
C. show ip protocols
D. show ip route ospf
E. show ip ospf neighbors
相关考题：
During OSPF adjacency formation, in which state is a router in when an OSPF hello packet has been sent but bi－directional communication has not been achieved?() A.AB.BC.CD.D
Which of the following are true of both OSPFv2 and OSPFv3?() A. The method of choosing an OSPF router IDB. Verification checks that must be validated before two routers can become OSPF neighborsC. Support for route tagsD. Support for multiple instances per inter face
Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command.Which of the following commands must have been configur ed on R1‘s Fa0/0 interface?（）A. ip ospf authentication nullB. ip ospf authentication message - digestC. ip ospf authentication -key whatever- it - isD. ip ospf message - digest - key 1 md5 whatever - it - isE. ip ospf md5 1 key whatever - it - is
An etwork administrator has enabled OSPF across an NBMA network and has issued the command ip ospf network nonbroadcast. Given those facts, which two statements are true?() A. Interfaces will automatically detect and build adjacencies with neighbor routersB. DR and BDR elections will not occurC. DR and BDR elections will occurD. The neighbor command is required to build adjacenciesE. All routers must be configured in a fully meshed topology with all other routers
An administrator types in the command router ospf 1 and receives the er ror message: "OSPF process 1 cannot start." (Output is omitted.) What should be done to correctly set up OSPF?() A. Ensure that an interface has been configured with an IP addressB. Ensure that IP classless is enabledC. Ensure that the interfaces can ping their directly connected neighborsD. Ensure that an interface has been configured with an IP address and is up
Which of the following describe the process identifier that is used to run OSPF on a router (Choose two.)()。 A.It is locally significantB.It is globally significantC.It is needed to identify a unique instance of an OSPF databaseD.It is an optional parameter required only if multiple OSPF processes are running on the routerE.All routers in the same OSPF area must have the same process ID if they are to exchange routing information
Which of the following are true of both OSPFv2 and OSPFv3?（）A、The method of choosing an OSPF router IDB、Verification checks that must be validated before two routers can become OSPF neighborsC、Support for route tagsD、Support for multiple instances per inter face
Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two.)（）A、It is locally significant.B、It is globally significant.C、It is needed to identify a unique instance of an OSPF database.D、It is an optional parameter required only if multiple OSPF processes are running on the router.E、All routers in the same OSPF area must have the same process ID if they are to exchange routing information.
Router R1 has a connected route for 10.1.1.0/24 off interface Fa0/0. Interface Fa0/0 has been enabled for OSPF due to a router ospf 1 and network 10.0.0.0 0.0.0.255 area 0 command. R1 also has EIGRP configured, with the redistribute ospf 1 metric 1000 100 10 1 1500 command configured under EIGRP. Which one of the following is true?（）A、R1 will not redistribute 10.1.1.0/24 into EIGRP, because R1 knows it as a connected route and not as an OSPF route.B、For any OS PF routes redistributed into EIGRP, the metric components includea value equivalent to 1 Mbps of bandwidth.C、For any OSPF routes redistributed into EIGRP, the metric components include a value equivalent to 100 microseconds of delay.D、No subnets of network 10.0.0.0 will be redistributed due to the omission of the subnets parameter.
Which of the following describe the process identifier that is used to run OSPF on a router (Choose two.)（）。A、It is locally significantB、It is globally significantC、It is needed to identify a unique instance of an OSPF databaseD、It is an optional parameter required only if multiple OSPF processes are running on the routerE、All routers in the same OSPF area must have the same process ID if they are to exchange routing information
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 of the following conditions guarantees that a broadcast storm cannot occur？（）A、a native VLAN mismatch on either side of an 802.1Q linkB、BPDU filter configured on a link to another switchC、Spanning Tree Protocol enabled on both Layer 2 and multilayer switchesD、PortFast enabled on all access and trunk ports
Which of the following describe the process identifier that is used to run OSPF on a router?（）A、It is logically significant.B、It is globally significant.C、It is needed to identify a unique instance of an OSPF database.D、It is an optional parameter required only if multiple OSPF processes are running on the router.E、All routers in the same OSPF area must have the same process ID if they are to exchange routing information.
What is the purpose of the OSPF router ID in a OR/BOR election?（）A、It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point networkB、It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF routerC、It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access networkD、It is used to determine which interfaces will send Hello packets to neighboring OSPF routers
A network planning diagram shows a large internetwork with many routers. The configurations show that OSPF has been enabled on all interfaces, I P addresses correctly configured, and OSPF workinG. For which of the following cases would you expect a router to create and flood a Type 2 LSA?（）A、When OSPF is enabled on a LAN interface, and the router is the only router connected to the subnet.B、 When OSPF is enabled on a point - to -point serial link, and that router has both the higher router ID and higher interface IP address on the link.C、When OSPF is enabled on a Frame Relay point - to - point subinterface, has the lower RID and lower subinterfa ce IP address, and otherwise uses default OSPF configuration on the interface.D、When OSPF is enabled on a working LAN interface on a router, and the router has been elected BDR.E、None of the other answers is correct.
An etwork administrator has enabled OSPF across an NBMA network and has issued the command ip ospf network nonbroadcast. Given those facts, which two statements are true?（）A、Interfaces will automatically detect and build adjacencies with neighbor routersB、DR and BDR elections will not occurC、DR and BDR elections will occurD、The neighbor command is required to build adjacenciesE、All routers must be configured in a fully meshed topology with all other routers
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
单选题An administrator types in the command router ospf 1 and receives the er ror message: "OSPF process 1 cannot start." (Output is omitted.) What should be done to correctly set up OSPF？（）AEnsure that an interface has been configured with an IP addressBEnsure that IP classless is enabledCEnsure that the interfaces can ping their directly connected neighborsDEnsure that an interface has been configured with an IP address and is up
单选题Which of the following settings do not prevent two potential OSPF neighbors from becoming neighbors?（）AThe interface used to connect to that neighbor being passive in the OSPF processBDuplicate OSPF router IDsCMismatched dead timersDIP addr esses of 10.1.1.1/24 and 10.2.2.2/24EMismatched OSPF process IDs
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Router R1 is redistributing between two OSPF processes. Given the configuration shown, which includes all commands in the route map named fred, which of the following answers is true regarding the redistribution into OSPF process 1?（） router ospf 1 redistribute ospf 2 external 2 route - map fred ! route - map fred permit 10 match ip address 1 set metric - type type - 1ANo routes are redistributed because a route cannot be both E1 and E2.BOnly OSPF E2 routes in the OSPF 2 domain will be considered for redistribution.CInside the OSPF 2 domain, any formerly E2 routes will become E1 routes.DRoutes permitted by ACL 1 will be redistributed, regardless of whether the routes are E1 or E2 routes.
多选题Which of the following are true of both OSPFv2 and OSPFv3?（）AThe method of choosing an OSPF router IDBVerification checks that must be validated before two routers can become OSPF neighborsCSupport for route tagsDSupport for multiple instances per inter face
多选题Which two of these steps are minimum requirements to configure OSPFv3 under IPv6？（）AConfigure a routing process using the command ipv6 router ospf [process-id].BAdd the network statement for the interfaces on which OSPF will run.CConfigure OSPF on the interface that it will run on.DUse the passive-interface command on the interfaces on which OSPF should not run.EEnable routing.
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Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command. Which of the following commands must have been configur ed on R1's Fa0/0 interface?（）Aip ospf authentication nullBip ospf authentication message - digestCip ospf authentication -key whatever- it - isDip ospf message - digest - key 1 md5 whatever - it - isEip ospf md5 1 key whatever - it - is
单选题Which of the following conditions guarantees that a broadcast storm cannot occur？（）Aa native VLAN mismatch on either side of an 802.1Q linkBBPDU filter configured on a link to another switchCSpanning Tree Protocol enabled on both Layer 2 and multilayer switchesDPortFast enabled on all access and trunk ports
单选题Which command displays the number of times that the OSPF Shortest Path First (SPF) algorithm has been executed?（）Ashow ip protocolBshow ip ospfCsho w ip ospf databaseDshow ip ospf interface