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Free H12-821_V1.0 Exam Braindumps (page: 4)

Page 3 of 16
PDF with 219 Questions

The filter-policy 2000 export command is run in an ISIS process. Which of the following statements about the functions of a filter policy is false?

  1. Is used together with the route import function to advertise some imported external routes to neighbors.
  2. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.
  3. Controls the advertisement of routes generated by the device.
  4. Filters LSPs to be advertised.

Answer(s): B



To prevent inter-area routing loops, OSPF does not allow advertising routing information between two non-backbone areas and allows sing routing information only within an area or between the backbone area and a non-backbone area. Therefore, each ABR must be connected to the backbone area.

  1. TRUE
  2. FALSE

Answer(s): A



Which of the following statements regarding DR/BDR are false?

  1. In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.
  2. DR others listen on the multicast address 224.0.0.5.
  3. All DR others establish neighbor relationships with DR and BDR only.
  4. DR others listen on the network address 224.0.0.6.

Answer(s): C



CORRECT TEXT
There are two BFD operating modes. In_______mode, the local end sends BFD Control

packets at specified intervals, and the remote end checks whether the local end periodically sends BFD Control packets. (Use lowercase letters.)

  1. primary

Answer(s): A






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