📊 Apache Kafka
Q. How can Kafka provide exactly-once delivery semantics?
  • (A) By disabling offsets
  • (B) By using transactions and idempotent producers
  • (C) By writing to disk multiple times
  • (D) By disabling replication
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✅ Correct Answer: (B) By using transactions and idempotent producers

Explanation: Exactly-once semantics are achieved using idempotent producers and transactional APIs.

Explanation by: Mr. Dubey
Exactly-once semantics are achieved using idempotent producers and transactional APIs.

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