CCDAK Exam Dumps - Confluent Certified Developer for Apache Kafka Certification Examination

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Question # 17

You have a consumer group of 12 consumers and when a consumer gets killed by the process management system, rather abruptly, it does not trigger a graceful shutdown of your consumer. Therefore, it takes up to 10 seconds for a rebalance to happen. The business would like to have a 3 seconds rebalance time. What should you do? (select two)

Increase session.timeout.ms

Decrease session.timeout.ms

Increase heartbeat.interval.ms

decrease max.poll.interval.ms

increase max.poll.interval.ms

Decrease heartbeat.interval.ms

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Question # 18

What happens when broker.rack configuration is provided in broker configuration in Kafka cluster?

You can use the same broker.id as long as they have different broker.rack configuration

Replicas for a partition are placed in the same rack

Replicas for a partition are spread across different racks

Each rack contains all the topics and partitions, effectively making Kafka highly available

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Question # 19

A consumer has auto.offset.reset=latest, and the topic partition currently has data for offsets going from 45 to 2311. The consumer group never committed offsets for the topic before. Where will the consumer read from?

offset 2311

offset 0

offset 45

it will crash

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Question # 20

A topic has three replicas and you set min.insync.replicas to 2. If two out of three replicas are not available, what happens when a consume request is sent to broker?

Data will be returned from the remaining in-sync replica

An empty message will be returned

NotEnoughReplicasException will be returned

A new leader for the partition will be elected

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