📊 Apache Kafka
Q. Kafka uses which mechanism to avoid message duplication?
  • (A) ZooKeeper checks
  • (B) Checksum hashing
  • (C) Idempotent producer
  • (D) Consumer replay
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✅ Correct Answer: (C) Idempotent producer

Explanation: Kafka's idempotent producer ensures that retrying sends does not duplicate messages.

Explanation by: Mr. Dubey
Kafka's idempotent producer ensures that retrying sends does not duplicate messages.

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