Apache Kafka MCQs with answers Page - 33

Here, you will find a collection of MCQ questions on Apache Kafka. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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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 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 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 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 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 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 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 are Kafka headers?

  • (A) Message metadata key-value pairs
  • (B) Partition identifiers
  • (C) Consumer IDs
  • (D) Broker configs

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Q. What is batch.size in producer config?

  • (A) Number of brokers
  • (B) Size of message batch sent to broker
  • (C) Number of topics
  • (D) Number of partitions

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Q. What is linger.ms in Kafka producer?

  • (A) Time to wait before sending batch
  • (B) Time to delete messages
  • (C) Consumer timeout
  • (D) Broker timeout

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