What is a benefit of multiarea OSPF routing?

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What is a benefit of multiarea OSPF routing?

  • Topology changes in one area do not cause SPF recalculations in other areas.
  • Automatic route summarization occurs by default between areas.
  • Routers in all areas share the same link-state database and have a complete picture of the entire network.
  • A backbone area is not required.
    Answers Explanation & Hints:

    With multiarea OSPF, only routers within an area share the same link-state database. Changes to the network topology in one area do not impact other areas, which reduces the number of SPF algorithm calculations and the of link-state databases.

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