Which three methods can a network engineer use to fix a metric based routing loop in the network?

Which three methods can a network engineer use to fix a metric based routing loop in the network? (Choose three)
A. Implement offset lists at network boundaries
B. Filter routes manually using distribute lists
C. Filter routes manually using prefix lists
D. Implement proper network summarisation on key routing points
E. Filter routes based on tags
F. Utilise root database filters

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6 thoughts on “Which three methods can a network engineer use to fix a metric based routing loop in the network?

      1. I think C is a trick answer.
        Once can’t actually filter routes directly using a prefix list, you will need to apply it to a route map or distribute list.

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