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Free H12-891_V1.0 Exam Braindumps (page: 8)

Page 8 of 153
PDF with 610 Questions

ISIS elects DIS in broadcast multiplexed access networks, and the following statement about DIS is correct?( Multiple choice)

  1. ISIS elects dis by comparing priorities, and mac addresses if the priorities are consistent
  2. In a broadcast multiple access network, DIS sends Hello PDUs at three times the frequency
  3. DIS guarantees database synchronization by periodically sending CSNP messages
  4. DIS supports preemption function, after the new DIS preemption is successful, there is no need to flood any LSP packet

Answer(s): A,B,C



A switch joins a running stacking system after powering up, a behavior known as heap overlay.

  1. TRUE
  2. FALSE

Answer(s): A



In order to reduce the number of OSPF routes in certain areas, the OSPf protocol has developed special area functions, and the following description of the characteristics of OSPF special areas is correct

  1. ASBR-Sunmary-LSA is allowed to be published to the NSSA region
  2. AS-External-LSA is allowed to be published to the Stub region
  3. Any OSPF zone can be configured as a special zone
  4. Zone can be equipped with zhiyi

Answer(s): D



What of the following actions can enable fast failure detection on multicast networks?

  1. Shorten the Holdtime of Join/Prune messages
  2. Reduce the interval at which the interface sends Hello messages
  3. A PIM BFD session is established between neighbors
  4. Reduce the interval between sending Join/Prune messages

Answer(s): B






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