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Cloud DNS services are used for

  • A.encrypting all of the traffic in transit
  • B.storing objects durably at scale
  • C.load balancing at layer four only
  • D.resolving names and for routing policies

Answer: D

Correct answer: resolving names and for routing policies

A cloud DNS service resolves names, and its routing policies are what distinguish it from a plain zone file: weighted responses for gradual rollout, latency-based for the nearest region, geolocation for regulatory or language reasons, and failover for health-checked records. That policy layer is why DNS is a traffic management tool in cloud architecture and not merely a directory.

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