Q. What happens when a block is corrupted in HDFS?

  • (A) File is deleted
  • (B) Job is stopped
  • (C) Data is recovered using replication
  • (D) NameNode is restarted
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✅ Correct Answer: (C) Data is recovered using replication
Explanation: HDFS automatically recovers corrupted blocks using replicas on other DataNodes.

Published by Mr. Dubey ⭐ 111.54K Points at 13-Jun-2025 07:29 am in Hadoop

Explanation by: Mr. Dubey
HDFS automatically recovers corrupted blocks using replicas on other DataNodes.

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