Apache Kafka MCQs with answers Page - 28

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. Which Kafka setting determines how often data is flushed to disk?

  • (A) flush.interval.ms
  • (B) retention.ms
  • (C) log.flush.interval.messages
  • (D) log.retention.check.interval.ms

A

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Q. Which Kafka command lists the current consumer groups?

  • (A) kafka-list-groups.sh
  • (B) kafka-consumer-groups.sh --list
  • (C) kafka-consumer-status.sh
  • (D) kafka-topic-groups.sh

A

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Q. Kafka’s default message compression type is:

  • (A) gzip
  • (B) snappy
  • (C) lz4
  • (D) none

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Q. What is the use of the Kafka AdminClient API?

  • (A) Create brokers
  • (B) Manage topics, configurations, and partitions programmatically
  • (C) Consume messages
  • (D) Monitor Kafka memory

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Q. What happens if a Kafka topic does not exist when a producer sends data?

  • (A) Error is thrown
  • (B) Topic is auto-created (if enabled)
  • (C) Producer retries indefinitely
  • (D) Message is redirected to another topic

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Q. Which command is used to consume messages from a topic?

  • (A) kafka-topic-reader.sh
  • (B) kafka-console-consumer.sh
  • (C) kafka-message-read.sh
  • (D) kafka-reader.sh

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Q. Kafka uses what kind of commit for offset management?

  • (A) Soft commit
  • (B) Durable commit
  • (C) Auto or manual commit
  • (D) Transactional commit only

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Q. What does `min.insync.replicas` ensure in Kafka?

  • (A) Minimum consumer threads
  • (B) Minimum replicas that must acknowledge a write
  • (C) Minimum retention time
  • (D) Minimum partition count

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Q. Kafka is optimized for which type of workloads?

  • (A) Long-term archival
  • (B) High-throughput and low-latency streaming
  • (C) Data warehouse analysis
  • (D) Low-frequency batch updates

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Q. What is a Kafka message key used for?

  • (A) Encrypting data
  • (B) Tracking producer IPs
  • (C) Determining the partition for a message
  • (D) Counting offset resets

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