📊 Apache Kafka
Q. In Kafka, 'compacted topics' are useful for:
  • (A) Storing historical logs
  • (B) Storing the latest state per key
  • (C) Compressing topic names
  • (D) Managing consumer groups
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✅ Correct Answer: (B) Storing the latest state per key

Explanation: Compacted topics retain the latest message per key and remove older ones.

Explanation by: Mr. Dubey
Compacted topics retain the latest message per key and remove older ones.

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