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By passing the CCDAK Certification Exam, developers can demonstrate their proficiency in working with Apache Kafka and gain recognition for their skills in the industry. Confluent Certified Developer for Apache Kafka Certification Examination certification can help developers advance their careers and increase their earning potential, as well as help organizations identify and hire qualified Kafka developers.
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NEW QUESTION # 42
What is the disadvantage of request/response communication?
Answer: C
Explanation:
Point-to-point (request-response) style will couple client to the server.
NEW QUESTION # 43
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 # 44
In Avro, adding an element to an enum without a default is a __ schema evolution
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 # 45
How will you read all the messages from a topic in your KSQL query?
Answer: C
Explanation:
Consumers can set auto.offset.reset property to earliest to start consuming from beginning. For KSQL, SET 'auto.offset.reset'='earliest';
NEW QUESTION # 46
Your manager would like to have topic availability over consistency. Which setting do you need to change in order to enable that?
Answer: A
Explanation:
unclean.leader.election.enable=true allows non ISR replicas to become leader, ensuring availability but losing consistency as data loss will occur
NEW QUESTION # 47
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