Question 1

The exactly once guarantee in the Kafka Streams is for which flow of data?
  • Question 2

    Refer to the producer code below. It features a 'Callback' class with a method called 'onCompletion()'.
    In the 'on Completion*.)' method, what does the 'metadata.offset()' value represent?

    producer.send(record, new MyCallback(record));
  • Question 3

    You are experiencing low throughput from a Java producer. You monitor the Kafka metrics and notice that the metrics for that producer show low I/O thread ratio and low I/O thread wait ratio.
    What is most likely the cause of the slow producer performance?
  • Question 4

    (You deploy a Kafka Streams application with five application instances.
    Kafka Streams stores application metadata using internal topics.
    Auto-topic creation is disabled in the Kafka cluster.
    Which statement about this scenario is true?)
  • Question 5

    What isn't a feature of the Confluent schema registry?