Most Recent Confluent CCDAK Exam Questions & Answers

Prepare for the Confluent Certified Developer for Apache Kafka exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Confluent CCDAK exam and achieve success.

The questions for CCDAK were last updated on Dec 30, 2024.

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Question No. 1

To read data from a topic, the following configuration is needed for the consumers

Aall brokers of the cluster, and the topic name

Bany broker to connect to, and the topic name

Cthe list of brokers that have the data, the topic name and the partitions list

Dany broker, and the list of topic partitions

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Correct Answer: B

All brokers can respond to Metadata request, so a client can connect to any broker in the cluster.

Question No. 2

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

AIn the Schema Registry embedded SQL database

BIn the Zookeeper node /schemas

CIn the message bytes themselves

DIn the _schemas topic

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Correct Answer: D

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

Question No. 3

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

Aflatmap

Breduce

Cjoining

Dcount

Epeek

Faggregate

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Correct Answer: B, C, D, F

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

Question No. 4

Which of the following statements are true regarding the number of partitions of a topic?

AThe number of partitions in a topic cannot be altered

BWe can add partitions in a topic by adding a broker to the cluster

CWe can add partitions in a topic using the kafka-topics.sh command

DWe can remove partitions in a topic by removing a broker

EWe can remove partitions in a topic using the kafka-topics.sh command

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Correct Answer: C

We can only add partitions to an existing topic, and it must be done using the kafka-topics.sh command

Question No. 5

Compaction is enabled for a topic in Kafka by setting log.cleanup.policy=compact. What is true about log compaction?

AAfter cleanup, only one message per key is retained with the first value

BEach message stored in the topic is compressed

CKafka automatically de-duplicates incoming messages based on key hashes

DAfter cleanup, only one message per key is retained with the latest value
Compaction changes the offset of messages

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Correct Answer: D

Log compaction retains at least the last known value for each record key for a single topic partition. All compacted log offsets remain valid, even if record at offset has been compacted away as a consumer will get the next highest offset.

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