Apache Kafka MCQs with answers Page - 32

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 Kafka Streams?

  • (A) A database
  • (B) A stream processing library
  • (C) A UI tool
  • (D) A monitoring tool

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Q. What is KSQL (ksqlDB)?

  • (A) Database engine
  • (B) SQL interface for Kafka streams
  • (C) Logging tool
  • (D) Monitoring system

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Q. What is a dead letter queue (DLQ)?

  • (A) Queue for successful messages
  • (B) Queue for failed messages
  • (C) Queue for logs
  • (D) Queue for replication

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Q. What is message compression in Kafka used for?

  • (A) Increase latency
  • (B) Reduce storage and network usage
  • (C) Delete messages
  • (D) Encrypt data

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Q. Which API is used for consuming messages in Kafka?

  • (A) Producer API
  • (B) Consumer API
  • (C) Streams API
  • (D) Admin API

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Q. Which API is used for managing Kafka cluster?

  • (A) Consumer API
  • (B) Producer API
  • (C) Admin API
  • (D) Streams API

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Q. What is the role of a Kafka controller?

  • (A) Handles client requests
  • (B) Manages partition leaders and cluster metadata
  • (C) Consumes messages
  • (D) Stores messages

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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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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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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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