Confluent CCDAK Exam Questions : Confluent Certified Developer for Apache Kafka Certification Examination

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Confluent CCDAK Exam Syllabus Topics:

Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions:

1. (You are writing lightweight XML messages to a Kafka topic named userinfo.
Which format should you use for the value field?)

A) ByteSerializer
B) StringSerializer
C) XmlSerializer
D) VoidSerializer

2. You have a Kafka consumer in production actively reading from a critical topic.
You need to update the offset of your consumer to start reading from the beginning of the topic.
Which action should you take?

A) Update the consumer group's offset to the earliest position using the kafka-consumer-groups CLI tool.
B) Temporarily configure the topic's retention.ms parameter to 0 to empty the topic.
C) Update the consumer configuration by setting auto.offset.reset=earliest.
D) Start a new consumer application with the same consumer group id.

3. Where are source connector offsets stored?

A) offset.storage.topic
B) storage.offset.topic
C) offset, storage, partitions
D) topic.offset.config

4. A producer is configured with the default partitioner. It is sending records to a topic that is configured with five partitions. The record does not contain any key.
What is the result of this?

A) Records will be dispatched among the available partitions.
B) Records will be sent to the least used partition.
C) An error will be raised and no record will be sent.
D) Records will be sent to partition 0.

5. The producer code below features a Callback class with a method called onCompletion().
In the onCompletion() method, when the request is completed successfully, what does the value metadata.
offset() represent?

A) The number of bytes that overflowed beyond a producer batch of messages
B) Its position in the producer's batch of messages
C) The sequential ID of the message committed into a partition
D) The ID of the partition to which the message was committed

Solutions: