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Confluent CCDAK Exam Syllabus Topics:

Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions:

1. Match each configuration parameter with the correct deployment step in installing a Kafka connector.

2. You are writing a producer application and need to ensure proper delivery. You configure the producer with acks=all.
Which two actions should you take to ensure proper error handling?
(Select two.)

A) Check the value of ProducerRecord.status().
B) Surround the call of producer.send() with a try/catch block to catch KafkaException.
C) Use a callback argument in producer.send() where you check delivery status.
D) Check that producer.send() returned a RecordMetadata object and is not null.

3. Match the testing tool with the type of test it is typically used to perform.

4. You have a Kafka client application that has real-time processing requirements.
Which Kafka metric should you monitor?

A) Aggregate incoming byte rate
B) Total time to serve requests to replica followers
C) Consumer heartbeat rate to group coordinator
D) Consumer lag between brokers and consumers

5. You are experiencing low throughput from a Java producer.
Metrics show low I/O thread ratio and low I/O thread wait ratio.
What is the most likely cause of the slow producer performance?

A) The producer code has an expensive callback function.
B) The producer is sending large batches of messages.
C) Compression is enabled.
D) There is a bad data link layer (layer 2) connection from the producer to the cluster.

Solutions: