📊 Apache Kafka
Q. Kafka’s 'log compaction' feature allows:
  • (A) Permanent deletion of logs
  • (B) Retention of the latest value for each key
  • (C) Encrypted log storage
  • (D) Balanced load distribution
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✅ Correct Answer: (B) Retention of the latest value for each key

Explanation: Log compaction keeps only the latest message for each key.

Explanation by: Mr. Dubey
Log compaction keeps only the latest message for each key.

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