Online Access Free Confluent.CCDAK.v2025-12-06.q119 Practice Test (Page 11)

CCDAK Exam Question 46

An application is consuming messages from Kafka.
The application logs show that partitions are frequently being reassigned within the consumer group.
Which two factors may be contributing to this?
(Select two.)

A.There is a slow consumer processing application.

B.The number of partitions does not match the number of application instances.

C.There is a storage issue on the broker.

D.An instance of the application is crashing and being restarted.

CCDAK Exam Question 47

What is the difference between exactly once semantics (EOS) and idempotence?

A.Idempotence sends an update once and only one item. EOS is any function that can be executed several times without changing the final result beyond its first iteration

B.Idempotence sends an update multiple times and only keeps the latest update EOS requests get sent multiple times, but only the first request is accepted.

C.Idempotence sends updates multiple times and stores the first value. EOS sends updates multiple times and stores the latest value.

D.Idempotence Is any function that can be executed several times without changing the final result beyond its first iteration. EOS sends an update once and only one time.

CCDAK Exam Question 48

You are doing complex calculations using a machine learning framework on records fetched from a Kafka topic. It takes more about 6 minutes to process a record batch, and the consumer enters rebalances even though it's still running. How can you improve this scenario?

A.Increase max.poll.interval.ms to 600000

B.Increase heartbeat.interval.ms to 600000

C.Increase session.timeout.ms to 600000

D.Add consumers to the consumer group and kill them right away

CCDAK Exam Question 49

Which statement is true about how exactly-once semantics (EOS) work in Kafka Streams?

A.Kafka Streams disables log compaction on internal changelog topics to preserve all state changes for potential recovery.

B.EOS in Kafka Streams relies on transactional producers to atomically commit state updates to changelog topics and output records to Kafka.

C.Kafka Streams provides EOS by periodically checkpointing state stores and replaying changelogs to recover only unprocessed messages during failure.

D.EOS in Kafka Streams is implemented by creating a separate Kafka topic for deduplication of all messages processed by the application.

CCDAK Exam Question 50

You have a topic with four partitions. The application reads from it using two consumers in a single consumer group.
Processing is CPU-bound, and lag is increasing.
What should you do?

A.Add more consumers to increase the level of parallelism of the processing.

B.Add more partitions to the topic to increase the level of parallelism of the processing.

C.Increase the max.poll.records property of consumers.

D.Decrease the max.poll.records property of consumers.

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CCDAK Exam Question 46

CCDAK Exam Question 47

CCDAK Exam Question 48

CCDAK Exam Question 49

CCDAK Exam Question 50

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