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多选题
Which pre-conditions must be met before an OSPF router can perform graceful restart？（）
A
Router must be ABR
B
Router must contain one sham link.
C
The network topology must be stable.
D
Router must be able to forward packets.
E
Neighbors must support graceful restart.
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更多 “多选题Which pre-conditions must be met before an OSPF router can perform graceful restart？（）ARouter must be ABRBRouter must contain one sham link.CThe network topology must be stable.DRouter must be able to forward packets.ENeighbors must support graceful restart.” 相关考题
考题
Which three pre－conditions must be met before an OSPF router can perform graceful restart? ()
A. Router must be an ABR.B. Router must contain one sham link.C. The network topology must be stable.D. Router must be able to forward packets.E. Neighbors must support graceful restart.
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Which type of connection must be established before BGP peers can exchange update messages?()
A.SSLB.UDPC.TCPD.SSH
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Which of the following must match for two directly connected routers running OSPF to establish a neighbor adjacency?()
A. area IDsB. process IDsC. router IDsD. hello timers
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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
考题
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
考题
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
考题
Refer to the exhibit. You have completed an OSPF implementation, and you are verifying OSPF operation. You notice that router A and router B are stuck in the two - way state. From the show ip ospf interface command output, what is the cause of this issue?（）A. All OSPF implementations must have at le ast one interface in area 0.B. You are attempting to run in the broadcast mode over an NBMA interface.C. Both routers are configured to function as a BDR; therefore, there is no DR router.D. Someone has changed the OSPF router ID; therefore you must clear the OSPF process.E. The OSPF priority is set to 0 on both routers; therefore neither can become the DR.
考题
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
考题
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
考题
Which of the following must match for two directly connected routers running OSPF to establish a neighbor adjacency?（）A、area IDsB、process IDsC、router IDsD、hello timers
考题
Which three pre-conditions must be met before an OSPF router can perform graceful restart？（）A、Router must be ABRB、Router must contain one sham link.C、The network topology must be stable.D、Router must be able to forward packets.E、Neighbors must support graceful restart.
考题
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.
考题
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
考题
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
考题
Which statement is true about the command ipv6 ospf 1 area 0?（）A、It must be issued before the network command to enable the OSPF pr ocess for IPv6.B、It must be issued after the network command to enable the OSPF process for IPv6.C、It must be issued in router global configuration mode to enable the OSPF process for IPv6.D、It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
考题
For a router to successfully redistribute routes between OSPF and EIGRP, which of the following are true?（）A、The router must have one routing protocol configured, but configuration for both routing protocols is not necessaryB、The router must hav e at least one working link connected to each routing domainC、The redistribute command must be configured under EIGRP to send the routes to OSPFD、The redistribute command should be configured under OSPF to take routes from EIGRP into OSPF
考题
Which pre-conditions must be met before an OSPF router can perform graceful restart？（）A、Router must be ABRB、Router must contain one sham link.C、The network topology must be stable.D、Router must be able to forward packets.E、Neighbors must support graceful restart.
考题
单选题Which type of connection must be established before BGP peers can exchange update messages?（）A
SSLB
UDPC
TCPD
SSH
考题
多选题For a router to successfully redistribute routes between OSPF and EIGRP, which of the following are true?（）AThe router must have one routing protocol configured, but configuration for both routing protocols is not necessaryBThe router must hav e at least one working link connected to each routing domainCThe redistribute command must be configured under EIGRP to send the routes to OSPFDThe redistribute command should be configured under OSPF to take routes from EIGRP into OSPF
考题
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
考题
单选题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
考题
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
考题
单选题Which statement is true about the command ipv6 ospf 1 area 0?（）A
It must be issued before the network command to enable the OSPF pr ocess for IPv6.B
It must be issued after the network command to enable the OSPF process for IPv6.C
It must be issued in router global configuration mode to enable the OSPF process for IPv6.D
It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
考题
多选题Which three pre-conditions must be met before an OSPF router can perform graceful restart? （）ARouter must be an ABR.BRouter must contain one sham link.CThe network topology must be stable.DRouter must be able to forward packets.ENeighbors must support graceful restart.
考题
单选题In JUNOS software, which statement is true regarding the OSPF advertisement of the loopback IP address on the ABR?（）A
When Area 0 is active, the loopback interface must be configured in OSPF for it to be advertised.B
When Area 0 is active, the loopback address is automatically advertised into other areas.C
When Area 0 is active, the OSPF router-id must match the loopback address for the loopback address to be advertised.D
When Area 0 is active, the router-id must be configured for the loopback address to be advertised.
考题
多选题Which of the following describe the process identifier that is used to run OSPF on a router? （）AIt is locally significant.BIt is globally significant.CIt is needed to identify a unique instance of an OSPF database.DIt is an optional parameter required only if multiple OSPF processes are running on the router.EAll routers in the same OSPF area must have the same process ID if they are to exchange routing information.
考题
多选题Which three pre-conditions must be met before an OSPF router can perform graceful restart？（）ARouter must be ABRBRouter must contain one sham link.CThe network topology must be stable.DRouter must be able to forward packets.ENeighbors must support graceful restart.
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