Quiz Confluent - CCDAK - Confluent Certified Developer for Apache Kafka Certification Examination Pass-Sure Valid Study Materials

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Confluent CCDAK Exam Syllabus Topics:

SectionObjectives
Kafka Streams and Processing- Kafka Streams API
  • 1. Stateful vs stateless processing
    • 2. Stream processing fundamentals
      - Event processing patterns
      • 1. Exactly-once semantics
        • 2. Windowing and aggregation
          Kafka Fundamentals- Kafka architecture and core concepts
          • 1. Brokers, topics, partitions
            • 2. Replication and fault tolerance
              - Data flow in Kafka
              • 1. Producer and consumer model
                • 2. Offset management
                  Kafka Producers and Consumers- Consumer API
                  • 1. Consumer groups
                    • 2. Rebalancing and offset commits
                      - Producer API
                      • 1. Serialization and partitioning strategies
                        • 2. Reliability and acknowledgments
                          Kafka Ecosystem and Confluent Platform- ksqlDB and connectors
                          • 1. Stream querying concepts
                            • 2. Kafka Connect basics
                              - Schema Registry
                              • 1. Avro, Protobuf, JSON Schema usage

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                                Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions (Q45-Q50):

                                NEW QUESTION # 45
                                Which actions will trigger partition rebalance for a consumer group? (select three)

                                Answer: B,C,D

                                Explanation:
                                Add a broker to the cluster
                                Explanation:
                                Rebalance occurs when a new consumer is added, removed or consumer dies or paritions increased.


                                NEW QUESTION # 46
                                What is encoding and decoding of a message also known as?

                                Answer: A


                                NEW QUESTION # 47
                                How will you read all the messages from a topic in your KSQL query?

                                Answer: A

                                Explanation:
                                Consumers can set auto.offset.reset property to earliest to start consuming from beginning. For KSQL, SET
                                'auto.offset.reset'='earliest';


                                NEW QUESTION # 48
                                Refer to the producer code below. It features a 'Callback' class with a method called 'onCompletion()'. When will the 'onCompletion()' method be Invoked?

                                producer.send(record, new MyCallback(record));

                                Answer: A


                                NEW QUESTION # 49
                                In the Kafka consumer metrics it is observed that fetch-rate is very high and each fetch is small. What steps will you take to increase throughput?

                                Answer: B

                                Explanation:
                                This will allow consumers to wait and receive more bytes in each fetch request.


                                NEW QUESTION # 50
                                ......

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