Q. What happens when the replication factor of a file is increased in HDFS?

  • (A) Blocks are deleted
  • (B) New blocks are created
  • (C) Existing blocks are replicated to other DataNodes
  • (D) DataNode shuts down
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✅ Correct Answer: (C) Existing blocks are replicated to other DataNodes
Explanation: When the replication factor is increased, existing blocks are copied to additional DataNodes.

Published by Rakesh Yadav ⭐ 5.76K Points at 15-Jun-2025 09:55 am in Hadoop

Explanation by: Rakesh Yadav
When the replication factor is increased, existing blocks are copied to additional DataNodes.

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