Confluent Certified Administrator for Apache Kafka

Question 1

An employee in the reporting department needs assistance because their data feed is slowing down. You start by quickly checking the consumer lag for the clients on the data stream.
Which command will allow you to quickly check for lag on the consumers?

A. bin/kafka-consumer-group-throughput.sh

B. bin/kafka-reassign-partitions.sh

C. bin/kafka-consumer-groups.sh

D. bin/kafka-consumer-lag.sh

Correct Answer: C

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Question 2

A Kafka administrator notices that their consumers of Topic X are starting to fall behind. The administrator sees that Topic X has four partitions, and the consumer group has two consumers.
Which change can increase the performance of the Consumer Group?

A. Create a new consumer group for Topic X containing two (2) consumers.

B. Decrease the consumer acknowledgment property to increase throughput.

C. Increase the number of consumers in the consumer group.

D. Increase the partitions in Topic X.

Correct Answer: C

Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).

Question 3

You are managing a Kafka cluster with five brokers (broker id '0', '1','2','3','4') and three ZooKeepers. There are 100 topics, five partitions for each topic, and replication factor three on the cluster. Broker id '0' is currently the Controller, and this broker suddenly fails.
Which statements are correct? (Choose three.)

A. The Controller is responsible for electing Leaders among the partitions and replicas.

B. The number of Controllers should always be equal to the number of brokers alive in the cluster.

C. Kafka uses ZooKeeper's ephemeral node feature to elect a controller.

D. The Controller uses the epoch number to prevent a split brain scenario.

E. The Controller is responsible for reassigning partitions to the consumers in a Consumer Group.

F. The broker id is used as the epoch number to prevent a split brain scenario.

Correct Answer: A,C,D

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Question 4

Which tool is used for scalably and reliably streaming data between Kafka and other data systems?

A. Kafka REST Proxy

B. Kafka Schema Registry

C. Kafka Streams

D. Kafka Connect

Correct Answer: D

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Question 5

A company is setting up a log ingestion use case where they will consume logs from numerous systems. The company wants to tune Kafka for the utmost throughput.
In this scenario, what acknowledgment setting makes the most sense?

A. acks=1

B. acks=undefined

C. acks=0

D. acks=all

Correct Answer: C

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Question 6

You are managing a cluster with a large number of topics, and each topic has a lot of partitions. A team wants to significantly increase the number of partitions for some topics.
Which parameters should you check before increasing the partitions?

A. Check the producer batch size and buffer size.

B. Check if compression is being used.

C. Check the max open file count on brokers.

D. Check if acks=all is beina used.

Correct Answer: C

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Confluent Certified Administrator for Apache Kafka - CCAAK Exam Practice Test

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