
An overview of what this certification covers
The CCDAK exam validates a candidate's ability to design, build, and troubleshoot streaming applications on Apache Kafka using the Confluent stack. It tests practical knowledge of Kafka's core architecture (brokers, topics, partitions, replication, KRaft metadata), producer and consumer client development (delivery semantics, idempotence, transactions, offset management, rebalance protocols), Kafka Streams topologies (KStream vs KTable, stateful operations, windowing, joins), Kafka Connect (source and sink connectors, converters, SMTs, DLQ), Schema Registry (Avro/Protobuf/JSON Schema, compatibility modes, evolution), application testing (TopologyTestDriver, MockProducer/MockConsumer, embedded clusters), and application observability (JMX metrics, consumer lag, throughput and latency analysis).
What to expect on exam day
Note: Exam specifications, pricing, and validity are subject to change. Always verify the most up-to-date information on the official provider's page before scheduling your exam.
Everything you need to pass
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The Confluent - Developer for Apache Kafka (CCDAK) exam contains 60 questions and lasts 89 minutes. Always confirm the latest exam blueprint on the official page before scheduling.
The passing score is 70%.
You get 89 minutes to complete the exam. The MyCertStack exam simulator uses the same time budget so you can build pacing under realistic pressure.
The official exam fee is $150 USD at the time of writing. Pricing can vary by region and is set by Confluent - always confirm on the official page.
The certification is valid for 2 years from the date you pass. After that, you'll need to recertify to keep your credential current.
No. MyCertStack provides original practice questions, sample exam questions, and a realistic exam simulator written by our team to mirror the style and difficulty of the real exam. They are not dumps and are not the actual questions used by Confluent.
Work through the structured study material chapter by chapter, then drill the practice zone for each topic until you consistently score above the passing threshold. Finish with at least two full exam simulations under timed conditions before sitting the real exam.