📊 Apache Kafka
Q. Which Kafka feature supports exactly-once processing?
  • (A) Compression
  • (B) Transactions and idempotent producers
  • (C) ISR sync
  • (D) Consumer auto commit
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✅ Correct Answer: (B) Transactions and idempotent producers

Explanation: Transactions and idempotence enable Kafka to guarantee exactly-once semantics.

Explanation by: Mr. Dubey
Transactions and idempotence enable Kafka to guarantee exactly-once semantics.

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