Question 1

What is the atomic unit of data in Kafka?

Options :

A : Partition

B : Message

C : Topic

D : Offset

Answer: B

Question 2

What is the role of ISR (In-Sync Replicas) in Kafka?

Options :

A : They balance partitions across brokers

B : They act as backup copies of partitions

C : They compress messages to save disk space

D : They automatically consume messages from the topic

Answer: B

Question 3

What happens if a producer sends messages to a non-existent topic with 'auto.create.topics.enable=false'?

Options :

A : The topic is automatically created

B : The messages are stored in an internal buffer

C : The producer retries until the topic is created

D : The producer request fails with an error

Answer: D

Question 4

A Kafka administrator notices that consumers in a consumer group are experiencing uneven message consumption. What could be the possible causes of this issue?

Options :

A : Topic replication factor being too high

B : Some consumers processing messages slower than others

C : Uneven partition distribution among consumers

D : Broker under heavy load causing delayed message delivery

Answer: B,C,D

Question 5

You need to enforce encryption for data in transit in a Kafka cluster. What should you configure?

Options :

A : Enable SSL for broker-to-broker and client communication

B : Use SASL/PLAIN authentication

C : Encrypt messages before sending them to Kafka

D : Enable client-side compression

Answer: A