What does RIPv2 use to prevent routing loops? CIDR Split horizon Authentication Classless masking Holddown timers

1 and 3
2, 3 and 5
2 and 5
3 and 4

Correct Answer: 2 and 5

Explanation:

RIPv2 uses the same timers and loop-avoidance schemes as RIPv1. Split horizon is used to stop an update from being sent out the same interface it was received on. Holddown timers allow time for a network to become stable in the case of a flapping link.

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