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Q. What is auto.offset.reset?

  • (A) Resets broker
  • (B) Defines behavior when no offset is found
  • (C) Deletes offsets
  • (D) Creates new topics

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Q. What is commitAsync() in Kafka consumer?

Code:
consumer.commitAsync();
  • (A) Synchronous commit
  • (B) Asynchronous offset commit
  • (C) Deletes offsets
  • (D) Reads messages

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Q. What is commitSync() in Kafka consumer?

Code:
consumer.commitSync();
  • (A) Asynchronous commit
  • (B) Synchronous offset commit
  • (C) Deletes messages
  • (D) Fetches messages

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Q. What is a transactional producer?

  • (A) Produces messages without guarantee
  • (B) Ensures atomic writes across partitions
  • (C) Consumes messages
  • (D) Deletes messages

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Q. What is exactly-once semantics in Kafka?

  • (A) Message may be duplicated
  • (B) Message delivered only once without duplication
  • (C) Message may be lost
  • (D) Message is not delivered

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Q. What is a sink connector?

  • (A) Writes data to Kafka
  • (B) Reads data from Kafka and pushes to external systems
  • (C) Deletes topics
  • (D) Creates partitions

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Q. What is a source connector?

  • (A) Reads data from Kafka
  • (B) Writes data to Kafka
  • (C) Deletes data
  • (D) Monitors topics

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Q. What is min.insync.replicas?

  • (A) Minimum consumers required
  • (B) Minimum replicas that must acknowledge writes
  • (C) Minimum topics required
  • (D) Minimum brokers in cluster

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Q. What happens if a partition leader fails?

  • (A) Data is lost
  • (B) A follower is elected as new leader
  • (C) Topic is deleted
  • (D) Consumers stop permanently

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Coach

Q. What is leader-follower replication in Kafka?

  • (A) All brokers act equally
  • (B) One leader handles reads/writes, followers replicate
  • (C) Only consumers replicate data
  • (D) Producers replicate messages
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