Multiple choice

Which of the following is/are true about Backbone router in OSPF (Open Shortest Path First) Protocol?

  1. It includes all area border routers and also routers connecting to different areas.

  2. It has only OSPF neighbour relationships with routers in the same area.

  3. It connects one or more OSPF areas to the main backbone network.

  4. It is an interface elected among all routers on a network segment.

  5. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is correct as the Backbone router connects the border routes of the OSPF backbone.

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