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Confluent Certified Developer for Apache Kafka (CCDAK) Certification Exam is a rigorous certification program designed for developers who are interested in validating their skills and understanding of Apache Kafka. Confluent Certified Developer for Apache Kafka Certification Examination certification program is offered by Confluent, a leading data streaming platform that provides enterprise-grade solutions for managing and processing data in real-time. The CCDAK certification program is designed to measure a developer's proficiency in Kafka development and ensures that they have the necessary skills to build and maintain Kafka-based applications.
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Confluent CCDAK (Confluent Certified Developer for Apache Kafka Certification Examination) is a certification exam that validates a developer's knowledge and skills in building applications and solutions using Apache Kafka. CCDAK exam is designed for developers who have experience in developing Kafka-based applications and want to demonstrate their proficiency in this technology. Confluent Certified Developer for Apache Kafka Certification Examination certification helps developers prove their expertise in Apache Kafka, which is a popular, open-source distributed streaming platform that is widely used in real-time data processing.
NEW QUESTION # 143
Producing with a key allows to...
Answer: A
Explanation:
Keys are necessary if you require strong ordering or grouping for messages that share the same key. If you require that messages with the same key are always seen in the correct order, attaching a key to messages will ensure messages with the same key always go to the same partition in a topic. Kafka guarantees order within a partition, but not across partitions in a topic, so alternatively not providing a key - which will result in round-robin distribution across partitions - will not maintain such order.
NEW QUESTION # 144
A kafka topic has a replication factor of 3 and min.insync.replicas setting of 1. What is the maximum number of brokers that can be down so that a producer with acks=all can still produce to the topic?
Answer: A
Explanation:
Two brokers can go down, and one replica will still be able to receive and serve data
NEW QUESTION # 145
How do you create a topic named test with 3 partitions and 3 replicas using the Kafka CLI?
Answer: A
Explanation:
As of Kafka 2.3, the kafka-topics.sh command can take --bootstrap-server localhost:9092 as an argument.
You could also use the (now deprecated) option of --zookeeper localhost:2181.
NEW QUESTION # 146
How can you gracefully make a Kafka consumer to stop immediately polling data from Kafka and gracefully shut down a consumer application?
Answer: B
Explanation:
See https://stackoverflow.com/a/37748336/3019499
NEW QUESTION # 147
A consumer wants to read messages from partitions 0 and 1 of a topic topic1. Code snippet is shown below.
consumer.subscribe(Arrays.asList("topic1"));
List<TopicPartition> pc = new ArrayList<>();
pc.add(new PartitionTopic("topic1", 0));
pc.add(new PartitionTopic("topic1", 1));
consumer.assign(pc);
Answer: B
Explanation:
subscribe() and assign() cannot be called by the same consumer, subscribe() is used to leverage the consumer group mechanism, while assign() is used to manually control partition assignment and reads assignment
NEW QUESTION # 148
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