Apache Kafka MCQs with answers Page - 25

Dear candidates you will find MCQ questions of Apache Kafka here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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Q. Kafka topics can be configured with:

  • (A) Queue settings
  • (B) Schema definitions
  • (C) Retention, partition, and replication settings
  • (D) Web server rules
💬 Discuss
✅ Correct Answer: (C) Retention, partition, and replication settings
Explanation: Topics can be configured with settings for retention, partition count, and replication factor.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:29 pm in Apache Kafka

Q. What is the use of 'acks=1' in Kafka producer?

  • (A) No acknowledgment required
  • (B) Acknowledgment from all replicas
  • (C) Acknowledgment from leader only
  • (D) Acknowledgment from consumer
💬 Discuss
✅ Correct Answer: (C) Acknowledgment from leader only
Explanation: With acks=1, the producer waits for the leader to acknowledge the write.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:29 pm in Apache Kafka

Q. Kafka can be described as:

  • (A) Real-time data platform
  • (B) Document database
  • (C) Push-based API server
  • (D) Command-line interface tool
💬 Discuss
✅ Correct Answer: (A) Real-time data platform
Explanation: Kafka is used as a real-time data pipeline and streaming platform.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:29 pm in Apache Kafka

Q. Which Kafka feature supports exactly-once processing?

  • (A) Compression
  • (B) Transactions and idempotent producers
  • (C) ISR sync
  • (D) Consumer auto commit
💬 Discuss
✅ Correct Answer: (B) Transactions and idempotent producers
Explanation: Transactions and idempotence enable Kafka to guarantee exactly-once semantics.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:29 pm in Apache Kafka

Q. Which of the following is true about Kafka consumers?

  • (A) They push data to producers
  • (B) They are assigned partitions manually only
  • (C) They pull data from brokers
  • (D) They store data permanently
💬 Discuss
✅ Correct Answer: (C) They pull data from brokers
Explanation: Kafka consumers pull data from partitions in Kafka brokers.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:29 pm in Apache Kafka

Q. Kafka cluster scaling is primarily achieved by:

  • (A) Adding more producers
  • (B) Using more threads
  • (C) Adding more partitions and brokers
  • (D) Deleting old topics
💬 Discuss
✅ Correct Answer: (C) Adding more partitions and brokers
Explanation: Kafka scales by increasing the number of partitions and brokers.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:29 pm in Apache Kafka

Q. What happens when a consumer group has more consumers than partitions?

  • (A) Messages are lost
  • (B) Some consumers stay idle
  • (C) Partitions get deleted
  • (D) Offsets are reset
💬 Discuss
✅ Correct Answer: (B) Some consumers stay idle
Explanation: Only one consumer can read from a partition, so extra consumers remain idle.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:29 pm in Apache Kafka

Q. Kafka uses what strategy for distributing partitions to consumers?

  • (A) Random strategy
  • (B) Manual script
  • (C) Partition assignment algorithms
  • (D) Priority queues
💬 Discuss
✅ Correct Answer: (C) Partition assignment algorithms
Explanation: Kafka uses partition assignment strategies like range and round-robin.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:29 pm in Apache Kafka

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

  • (A) Consumer API
  • (B) Streams API
  • (C) Producer API
  • (D) Admin API
💬 Discuss
✅ Correct Answer: (C) Producer API
Explanation: The Producer API allows applications to send messages to Kafka topics.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:29 pm in Apache Kafka

Q. Kafka Connect is suitable for:

  • (A) Stream encryption
  • (B) Monitoring latency
  • (C) Ingesting and exporting data with external systems
  • (D) Message compression
💬 Discuss
✅ Correct Answer: (C) Ingesting and exporting data with external systems
Explanation: Kafka Connect integrates Kafka with external data sources and sinks.

Published by Mr. Dubey ⭐ 110.47K Points at 13-Jun-2025 02:29 pm in Apache Kafka

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