Confluent

What is a Confluent Kafka?

• A programming language

• A hardware device

• A commercial platform based on Apache Kafka

• A database engine

How many Confluent kafka brokers are there in the bank?

• 3

• 4

• 5

• 6

What is the primary role of a Kafka consumer?

• To publish messages to Kafka topics

• To delete messages from Kafka

• To read messages from Kafka topics

• To manage Kafka brokers

What is a Kafka consumer group?

• A set of Kafka topics

• A set of producers sending data

• A set of consumers sharing the work of consuming records

• A group of brokers handling replication

What happens if two consumers with the same group ID subscribe to the same topic?

• They get the same messages

• They both get all messages

• The topic is deleted

• They split the partitions and consume in parallel

How does Kafka know which messages a consumer has read?

• Through ZooKeeper logs

• Through partition reassignment

• Through consumer offsets

• Through broker memory

What does auto.offset.reset = earliest mean?

• Start from the end of the topic

• Start reading from where the last consumer stopped

• Start from the beginning if no offset is found

• Skip all messages

What is the effect of setting enable.auto.commit = false?

• Consumer will commit offset to a file

• Consumer will manually control offset commits

• Kafka will commit offsets automatically

• Consumer cannot read any data

What is the default partition assignment strategy in Kafka?

• Round Robin Assignment

• Sticky Assignment

• Range Assignment

• Hash Assignment

What does the poll() method do in a Kafka consumer?

• Sends messages to a Kafka topic

• Reads records from Kafka topics

• Commits offsets to Kafka

• Deletes messages from a topic