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The CCDAK certification exam is a comprehensive test that covers a wide range of topics related to Kafka, including its architecture, fundamental concepts, and practical implementation techniques. CCDAK exam is designed to assess the candidate’s ability to create robust and scalable Kafka applications that can handle large volumes of data in real-time. It also evaluates the candidate’s knowledge of Kafka Connect, Kafka Streams, Schema Registry, and other related technologies.

Confluent CCDAK (Confluent Certified Developer for Apache Kafka) certification exam is designed for professionals who want to demonstrate their expertise in Apache Kafka. Confluent Certified Developer for Apache Kafka Certification Examination certification is globally recognized and validates one's ability to develop applications that can effectively utilize Kafka's capabilities.

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Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions (Q170-Q175):

NEW QUESTION # 170
Consumer failed to process record # 10 and succeeded in processing record # 11. Select the course of action that you should choose to guarantee at least once processing

A. Commit offsets at 10
B. Commit offsets at 11
C. Do not commit until successfully processing the record #10

Answer: B

Explanation:
Here, you shouldn't commit offsets 11 or 10 as it would indicate that the message #10 has been processed successfully.

NEW QUESTION # 171
There are 3 producers writing to a topic with 5 partitions. There are 5 consumers consuming from the topic. How many Controllers will be present in the cluster?

A. 0
B. 1
C. 2
D. 3

Answer: D

Explanation:
There is only one controller in a cluster at all times.

NEW QUESTION # 172
What happens when broker.rack configuration is provided in broker configuration in Kafka cluster?

A. Each rack contains all the topics and partitions, effectively making Kafka highly available
B. You can use the same broker.id as long as they have different broker.rack configuration
C. Replicas for a partition are spread across different racks
D. Replicas for a partition are placed in the same rack

Answer: C

Explanation:
Partitions for newly created topics are assigned in a rack alternating manner, this is the only change broker.rack does

NEW QUESTION # 173
Which of the following Kafka Streams operators are stateful? (select all that apply)

A. reduce
B. flatmap
C. peek
D. joining
E. count
F. aggregate

Answer: A,D,E,F

Explanation:
Seehttps://kafka.apache.org/20/documentation/streams/developer-guide/dsl-api.html#stateful-transformations

NEW QUESTION # 174
You have a consumer group of 12 consumers and when a consumer gets killed by the process management system, rather abruptly, it does not trigger a graceful shutdown of your consumer. Therefore, it takes up to 10 seconds for a rebalance to happen. The business would like to have a 3 seconds rebalance time. What should you do? (select two)

A. Decrease session.timeout.ms
B. Increase heartbeat.interval.ms
C. increase max.poll.interval.ms
D. Increase session.timeout.ms
E. decrease max.poll.interval.ms
F. Decrease heartbeat.interval.ms

Answer: A,C

Explanation:
session.timeout.ms must be decreased to 3 seconds to allow for a faster rebalance, and the heartbeat thread must be quicker, so we also need to decrease heartbeat.interval.ms

NEW QUESTION # 175
......

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