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Confluent CCDAK Exam (page: 3)
Confluent Certified Developer for Apache Kafka Certification Examination
Updated on: 25-Dec-2025

Viewing Page 3 of 31
CCDAK PDF 150 Questions

What client protocol is supported for the schema registry? (Select two)

  1. HTTP
  2. HTTPS
  3. JDBC
  4. Websocket
  5. SASL

Answer(s): A,B

Explanation:

Clients can interact with the schema registry using the HTTP or HTTPS interface



If I produce to a topic that does not exist, and the broker setting auto.create.topic.enable=true, what will happen?

  1. Kafka will automatically create the topic with 1 partition and 1 replication factor
  2. Kafka will automatically create the topic with the indicated producer settings num.partitions and default.replication.factor
  3. Kafka will automatically create the topic with the broker settings num.partitions and default.replication.factor
  4. Kafka will automatically create the topic with num.partitions=#of brokers and replication.factor=3

Answer(s): C

Explanation:

The broker settings comes into play when a topic is auto created



You want to perform table lookups against a KTable everytime a new record is received from the KStream. What is the output of KStream-KTable join?

  1. KTable
  2. GlobalKTable
  3. You choose between KStream or KTable
  4. Kstream

Answer(s): D

Explanation:

Here KStream is being processed to create another KStream.



Using the Confluent Schema Registry, where are Avro schema stored?

  1. In the Schema Registry embedded SQL database
  2. In the Zookeeper node /schemas
  3. In the message bytes themselves
  4. In the _schemas topic

Answer(s): D

Explanation:

The Schema Registry stores all the schemas in the _schemas Kafka topic



Which of the following setting increases the chance of batching for a Kafka Producer?

  1. Increase batch.size
  2. Increase message.max.bytes
  3. Increase the number of producer threads
  4. Increase linger.ms

Answer(s): D

Explanation:

linger.ms forces the producer to wait to send messages, hence increasing the chance of creating batches



Viewing Page 3 of 31



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