Q. Kafka’s 'exactly-once' guarantee works best when:

  • (A) Replication is disabled
  • (B) Idempotence and transactions are enabled
  • (C) Acks=0
  • (D) Consumer lag is zero
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✅ Correct Answer: (B) Idempotence and transactions are enabled
Explanation: Exactly-once semantics are achieved using idempotent producers and transactions.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:09 pm in Apache Kafka

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

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