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Free Huawei H12-261_V3.0 Exam Braindumps (page: 32)

Page 24 of 120
PDF with 479 Questions

Which of the following descriptions about link-state routing protocols is correct without dividing areas?

  1. Each router establishes a topology of the entire flooding domain
  2. Each router learns routing entries directly from routing updates and adds them to the routing table
  3. Routers in a flood domain may receive the same link state information repeatedly
  4. Routers throughout the flood domain have the same link-state database
  5. The router will send all link state information from one neighbor to all other neighbors to ensure the synchronization of the database

Answer(s): A,C,D

Explanation:

The link-state routing protocol updates the link-state database and then performs routing calculations. So B is wrong.



As shown in the figure, R1, R2 and R3 run OSPP at the same time and announce their respective loopback ports. The following description is wrong.

  1. filter-policy can be used on R2 expoThe rt command filters the loopback route of R3
  2. R2 can be used in Area use filter in 0r import command to filter the loopback route of R3
  3. filter-policy can be used on R1 import filters the loopback route of R3
  4. Area is available on R2 Use filter in 1r expot command to filterR3 loopback route

Answer(s): A

Explanation:

The loopback route of R3 is not generated by R2, so it cannot be filtered by export.



If the network runs the OSPP protocol, configure the non-backbone area in the OSPP area as Totaly After the stub area, ABThe R router will send Totally An L is delivered to the stub areaS LSA whose ID is 0.0.0.0, which type of LSA does this LSA belong to??

  1. LSA5
  2. LSA2
  3. LSA1
  4. LSA3

Answer(s): D

Explanation:

Totally Stub will AB againR generates a type 3 default, and then there is no type 3 LSA inside the area.



When the administrator wants to manage some routes on the router during operation and maintenance, which of the following tools can mark these routes for easy management? Admin configuration policy?

  1. If the BGP protocol is running, use the community attribute to mark the route
  2. Use ACLs to mark routes on routers.
  3. Use tagsThe value marks the route on the router.
  4. use ip-prefix in The route is marked on the router.

Answer(s): A,C

Explanation:

ACL and ip-prefix match routes, but do not mark routes. Community and tag will mark the route.






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