Confluent CCDAK Practice Exam Questions & Answers
6 Free Questions
· Last reviewed: September 29, 2026
· Prepared & Reviewed by the ValidExamDumps Editorial Team
Exam Facts
Confluent CCDAK Exam Details
Key details for this exam, checked against the published exam outline
150
Practice Questions (Our Bank)
90 minutes
Exam Duration
- Exam Code
- CCDAK
- Full Name
- Confluent Certified Developer for Apache Kafka
- Issuing Body
- Confluent
- Question Format (Our Bank)
- Multiple Choice
- Delivery
- Online proctored
- Eligibility
- Minimum 6-12 months hands-on experience with Confluent products or Apache Kafka
Practice Questions
Free CCDAK Practice Questions
Each question shows the correct answer and an explanation of why it is right
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ValidExamDumps Editorial Team
Every question and its answer is checked by our CCDAK exam
preparation team, who also write the explanation shown with each one.
How we research and review these pages
What is the disadvantage of request/response communication?
Correct Answer:
C
Explanation
Point-to-point (request-response) style will couple client to the server.
A producer is sending messages with null key to a topic with 6 partitions using the DefaultPartitioner. Where will the messages be stored?
Correct Answer:
A
Explanation
Message with no keys will be stored with round-robin strategy among partitions.
To prevent network-induced duplicates when producing to Kafka, I should use
Correct Answer:
B
Explanation
Producer idempotence helps prevent the network introduced duplicates. More details herehttps://cwiki.apache.org/confluence/display/KAFKA/Idempotent+Producer
When using the Confluent Kafka Distribution, where does the schema registry reside?
Correct Answer:
A
Explanation
Schema registry is a separate application that provides RESTful interface for storing and retrieving Avro schemas.
In Avro, removing or adding a field that has a default is a __ schema evolution
Correct Answer:
A
Explanation
Clients with new schema will be able to read records saved with old schema and clients with old schema will be able to read records saved with new schema.
Which of the following event processing application is stateless? (select two)
Correct Answer:
A, C
Explanation
Stateless means processing of each message depends only on the message, so converting from JSON to Avro or filtering a stream are both stateless operations
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Study Guide
What the Confluent CCDAK Exam Covers
5 domains from the Confluent CCDAK exam outline, with approximate weightings. Every sample question above is tagged
with the domain it comes from
Domain 1: Apache Kafka® Fundamentals
Essential concepts required to work effectively with Kafka. Covers brokers, topics, partitions, offsets, producers, consumers, consumer groups, and delivery semantics.
Sample questions from this domain above:
Q2Q4Q5
Domain 2: Apache Kafka® Application Development
Building applications using Kafka APIs. Includes producers, consumers, and application integration patterns for real-time data streaming.
Sample questions from this domain above:
Q1Q3
Domain 3: Apache Kafka® Streams
Using Kafka Streams to build real-time, event-driven applications. Covers stateless and stateful operations, topologies, and stream processing patterns.
Sample question from this domain above:
Q6
Domain 4: Application Testing
Testing strategies and practices for Kafka-based applications. Validates knowledge of testing frameworks and verification techniques for streaming systems.
Domain 5: Application Observability
Observing and maintaining Kafka-based applications in production. Covers monitoring, metrics, logging, and troubleshooting streaming applications.
FAQ
CCDAK Exam FAQ
Common questions about the exam itself
What level of experience do I need before taking the CCDAK exam?
Confluent recommends a minimum of 6-12 months hands-on experience using Confluent products or Apache Kafka in production environments. You should have practical knowledge of building applications and working with Kafka's core components.
How difficult is the CCDAK exam compared to other certification exams?
The CCDAK is generally considered medium difficulty if you have solid hands-on Kafka experience. The exam requires practical knowledge of real-world scenarios, not just theoretical understanding of concepts.
What is the hardest domain in the CCDAK exam and how should I prepare for it?
Kafka Streams and Application Development typically account for the largest portion of exam questions because they test hands-on development skills. Focus your preparation on building stateless and stateful stream processing applications and understanding the APIs deeply.
How long does it typically take to prepare for the CCDAK exam?
If you have solid Kafka experience, expect 4-8 weeks of focused preparation. If you are new to Kafka, plan for 12-16 weeks. Use practice tests, read official Confluent documentation, and work through the Confluent training materials.
What happens on exam day for CCDAK and how is it proctored?
The CCDAK is a 90-minute online proctored exam delivered through a proctor who monitors you via webcam. Question types include multiple-choice, matching, and ordering questions. You need a quiet space, a reliable internet connection, and a clear desk.
What are the rules for retaking the CCDAK exam if I fail?
Confluent allows you to retake the exam, but you must pay the full exam fee each time. It is recommended to wait at least 7-14 days between attempts to allow time for additional study and preparation.
How long is the CCDAK certification valid for and what is required to renew it?
Confluent publishes certification renewal information through their support portal. Check the official Confluent certification FAQ or contact their support team for current validity periods and renewal requirements.
Which job role is the CCDAK certification designed for?
The CCDAK is designed for developers and solution architects who build applications with Apache Kafka. It validates your ability to develop, deploy, and maintain real-time streaming applications using Kafka's core APIs and Confluent platform capabilities.
How does the CCDAK exam relate to the CCAAK and CCAC certifications?
Confluent offers three main certifications: CCDAK for developers, CCAAK for administrators who manage Kafka clusters, and CCAC for Confluent Cloud operators. Choose based on your role. You do not need CCDAK to pursue the others.
What Confluent products should I study beyond Apache Kafka itself?
Study Confluent Schema Registry and how Avro serialization works, since the exam tests knowledge of Confluent-specific components. Kafka Connect, including Source and Sink connectors, is also important. The exam questions reference real Confluent ecosystem tools and services.
