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Confluent CCDAK Exam Syllabus Topics:

Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions:

1. You need to collect logs from a host and write them to a Kafka topic named 'logs-topic'. You decide to use Kafka Connect File Source connector for this task.
What is the preferred deployment mode for this connector?

A) Standalone mode
B) SingleCluster mode
C) Distributed mode
D) Parallel mode

2. (You started a new Kafka Connect worker.
Which configuration identifies the Kafka Connect cluster that your worker will join?)

A) cluster.id
B) connector.id
C) worker.id
D) group.id

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

4. 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) The sequential ID of the message committed into a partition
C) The ID of the partition to which the message was committed
D) Its position in the producer's batch of messages

5. (You create a topic with five partitions.
What can you assume about messages read from that topic by a single consumer group?)

A) All messages will be read from exactly one broker by the consumer group.
B) Messages can be consumed by a maximum of five consumers in the same consumer group.
C) The consumer group can only read the same number of messages from all the partitions.
D) Messages from one partition can be consumed by any of the consumers in a group for faster processing.

Solutions: