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Kafka Interview Questions & Answers · IT Interview Practice
Home
/
Messaging
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Kafka
Messaging
Kafka
Curated Kafka interview questions with detailed answers.
30
questions
updated weekly
Junior
10
Middle
12
Senior
8
Kafka questions
30 / 30 shown
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Newest
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What is Apache Kafka and what is it used for?
Junior
#Messaging
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What are the core concepts of Kafka (topics, partitions, brokers)?
Junior
#Messaging
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How do producers and consumers work in Kafka?
Junior
#Messaging
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How does Kafka differ from traditional message queues?
Junior
#Messaging
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How do partitions enable scalability and ordering in Kafka?
Junior
#Messaging
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What are common use cases for Kafka?
Junior
#Messaging
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What are offsets in Kafka and how do they work?
Junior
#Messaging
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What is Kafka's overall architecture?
Junior
#Messaging
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How do you produce and consume messages in Kafka (basic usage)?
Junior
#Messaging
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When should you use Kafka (and when not)?
Junior
#Messaging
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How do consumer groups work in detail?
Middle
#Messaging
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What are Kafka's delivery semantics (at-least-once, exactly-once)?
Middle
#Messaging
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How does replication work in Kafka?
Middle
#Messaging
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How does data retention and storage work in Kafka?
Middle
#Messaging
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What is Kafka Streams and stream processing?
Middle
#Messaging
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What is Kafka Connect?
Middle
#Messaging
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How do you monitor Kafka and handle consumer lag?
Middle
#Messaging
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What is a schema registry and why is it important?
Middle
#Messaging
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How do you tune Kafka for performance?
Senior
#Messaging
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How does exactly-once processing work in Kafka?
Senior
#Messaging
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How is Kafka used in event-driven architectures?
Senior
#Messaging
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What are key considerations for operating Kafka in production?
Senior
#Messaging
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What are common pitfalls and mistakes when using Kafka?
Senior
#Messaging
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How do you choose a partitioning strategy in Kafka?
Middle
#Messaging
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How do you handle errors and failed messages in Kafka?
Middle
#Messaging
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How do batching and compression improve Kafka throughput?
Middle
#Messaging
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How does message ordering work in Kafka?
Middle
#Messaging
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How does Kafka compare to alternatives (RabbitMQ, Pulsar, cloud queues)?
Senior
#Messaging
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How do you scale Kafka to handle massive throughput?
Senior
#Messaging
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How does Kafka work internally (log storage, ZooKeeper/KRaft)?
Senior
#Messaging
Details →
