更多"Which of the following OSPF message"的相关试题:
[单项选择]Which OSPF area type allows for the flooding of a Type 7 LSA?（）
A. stub
B. transit
C. border
D. not-so-stubby
[单项选择]Which description regarding OSPF Network LSAs is correct?（）
A. They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.
B. They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.
C. They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.
D. They are originated by every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.
[多项选择]Which three authentication options does OSPF support?（）
A. DES
B. MD5
C. Kerberos
D. unauthenticated
E. simple password
[单项选择]Which command would display OSPF parameters such as filters，default metric，maximum paths，and number of areas configured on a outer（）
A. show ip protocol
B. show ip route
C. show ip ospfinterface
D. show ip ospf
E. show ip nterface
F. None of the other alternatives apply
[单项选择]Which command enables OSPF for IPv6?（）
A. router ospf ipv6 process - id
B. ipv6 ospf process - id
C. router ospf process - id
D. ipv6 router ospf process - id
[多项选择]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.
[单项选择]In JUNOS software, which would prevent an OSPF router from importing the 10.0.0.4/30 summaryroute?（）
A. Import policies are not allowed for internal routes, so this is not possible.
B. Export policies are not allowed, so this is not possible.
C. Apply a firewall filter matching 10.0.0/4/30 and reject the route.
D. Apply an import policy matching 10.0.0.4/30 and reject the route.
[多项选择]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.
[多项选择]Which of the following OSPF commands, when used together, will put the network 192.168.10.0/24 into OSPF area 0?（）
A. Router(config-router)# network 192.168.10.0 0.0.0.255 0
B. Router(config-router)# network 192.168.10.0 0.0.0.255 area 0
C. Router(config-router)# network 192.168.10.0 255.255.255.0 area 0
D. Router(config)# router ospf 0
E. Router(config)# router ospf 1
[单项选择]Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router？（）
A. A virtual link to area 0.
B. OSPF summarization command.
C. default - cost extension to the area command.
D. no - summary extension to the area stub comm and.
E. None of the other alternatives apply
[多项选择]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
[多项选择]Which is true about OSPF router-id?（）
A. It is used for type 1 router LSA
B. Highest IP address of the loopback is used
C. router-id needs to be matched on ospf neighbors
D. router-id is 16 bit
[单项选择]On which types of network will OSPF elect a backup designated router（）。
A. point-to-point and multiaccess
B. point-to-multipoint and multiaccess
C. point-to-point and point-to-multipoint
D. nonbroadcast and broadcast multipoint
E. nonbroadcast and broadcast multiaccess
[多项选择]The OSPF Hello protocol performs which of the following tasks (Choose two.)（）。
A. It provides dynamic neighbor discovery.
B. It detects unreachable neighbors in 90 second intervals.
C. It maintains neighbor relationships.
D. It negotiates correctness parameters between neighboring interfaces.
E. Ituses timers to elect the router with the fastest links as the designated router.
F. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.
[多项选择]The OSPF hello protocol performs which of the following tasks?（）
A. It provides dynamic neighbor discovery
B. It detects unreachable neighbors in 90 second intervals
C. It maintains neighbor relationships
D. It negotiates correctness parameters between neighboring interfaces
E. It uses timers to elect the router witch the fastest links as the designated router
F. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
[单项选择]When verifying OSPF virtual link problems, which is an important item to check on the two transit OSPF routers?（）
A. OSPF process ID
B. OSPF router ID
C. OSPF network type
D. OSPF memory usage
E. OSPF CPU utilization
F. OSPF stub area configurations
[多项选择]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.
[单项选择]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 destinations
B. Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPF
C. Have less OSPF areas to reduce the need for interarea route summarizations
D. Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2
[单项选择]Which command allows viewing of only OSPF routes?（）
A. show ip ospf route
B. show ip route protocol ospf
C. show route protocol ospf
D. show ospf table
