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Confluent Certified Developer for Apache Kafka Exam
Free Confluent Certified Developer for Apache Kafka Exam Actual Questions
Note: Premium Questions for Certified Developer for Apache Kafka were last updated On May. 10, 2024 (see below)
To continuously export data from Kafka into a target database, I should use
Kafka Connect Sink is used to export data from Kafka to external databases and Kafka Connect Source is used to import from external databases into Kafka.
Where are KSQL-related data and metadata stored?
metadata is stored in and built from the KSQL command topic. Each KSQL server has its own in-memory version of the metastore.
There are five brokers in a cluster, a topic with 10 partitions and replication factor of 3, and a quota of producer_bytes_rate of 1 MB/sec has been specified for the client. What is the maximum throughput allowed for the client?
Each producer is allowed to produce @ 1MB/s to a broker. Max throughput 5 * 1MB, because we have 5 brokers.
In Avro, adding an element to an enum without a default is a __ schema evolution
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.
There are five brokers in a cluster, a topic with 10 partitions and replication factor of 3, and a quota of producer_bytes_rate of 1 MB/sec has been specified for the client. What is the maximum throughput allowed for the client?
Each producer is allowed to produce @ 1MB/s to a broker. Max throughput 5 * 1MB, because we have 5 brokers.
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