Quiz CCDAK - Confluent Certified Developer for Apache Kafka Certification Examination Latest Top Dumps

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Confluent Certified Developer for Apache Kafka (CCDAK) Certification Examination is a comprehensive test that evaluates an individual's proficiency in developing and deploying Kafka-based solutions. CCDAK examination assesses the knowledge and skills required to use Kafka's features effectively and efficiently in real-world scenarios. The CCDAK Exam is designed by Confluent, the company founded by the original creators of Apache Kafka, and is recognized globally as a benchmark for Kafka expertise.

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Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions (Q53-Q58):

NEW QUESTION # 53
In Avro, adding an element to an enum without a default is a __ schema evolution

A. breaking
B. backward
C. full
D. forward

Answer: A

Explanation:
Since Confluent 5.4.0, Avro 1.9.1 is used. Since default value was added to enum complex type , the schema resolution changed from:
(<1.9.1) if both are enums:** if the writer's symbol is not present in the reader's enum, then an error is signalled. **(>=1.9.1) if both are enums:
if the writer's symbol is not present in the reader's enum and the reader has a default value, then that value is used, otherwise an error is signalled.

NEW QUESTION # 54
How will you set the retention for the topic named my-topic to 1 hour?

A. Set the consumer config retention.ms to 3600000
B. Set the topic config retention.ms to 3600000
C. Set the producer config retention.ms to 3600000
D. Set the broker config log.retention.ms to 3600000

Answer: B

Explanation:
retention.ms can be configured at topic level while creating topic or by altering topic. It shouldn't be set at the broker level (log.retention.ms) as this would impact all the topics in the cluster, not just the one we are interested in

NEW QUESTION # 55
A consumer is configured with enable.auto.commit=false. What happens when close() is called on the consumer object?

A. The group coordinator will discover that the consumer stopped sending heartbeats. It will cause rebalance after session.timeout.ms
B. The uncommitted offsets are committed
C. A rebalance in the consumer group will happen immediately

Answer: C

Explanation:
Calling close() on consumer immediately triggers a partition rebalance as the consumer will not be available anymore.

NEW QUESTION # 56
How much should be the heap size of a broker in a production setup on a machine with 256 GB of RAM, in PLAINTEXT mode?

A. 4 GB
B. 512 MB
C. 128 GB
D. 16 GB

Answer: A

Explanation:
In Kafka, a small heap size is needed, while the rest of the RAM goes automatically to the page cache (managed by the OS). The heap size goes slightly up if you need to enable SSL

NEW QUESTION # 57
Which of the following is true regarding thread safety in the Java Kafka Clients?

A. One Consumer needs to run in one thread
B. One Producer can be safely used in multiple threads
C. One Producer needs to be run in one thread
D. One Consumer can be safely used in multiple threads

Answer: A,B

Explanation:
KafkaConsumer is not thread-safe, KafkaProducer is thread safe.

NEW QUESTION # 58
......

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Quiz CCDAK - Confluent Certified Developer for Apache Kafka Certification Examination Latest Top Dumps

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Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions (Q53-Q58):

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