Question 1

What can cause a Kafka consumer to experience high lag?

Options :

A : Log segment corruption

B : Under-replicated partitions

C : Slow message processing

D : Insufficient consumer instances

E : High network latency

Answer: C,D,E

Question 2

A broker running out of disk space can cause service disruption. How can this be mitigated?

Options :

A : Reducing log retention period

B : 1 and 3

C : Increasing `log.segment.bytes` size

D : Configuring a separate disk for Kafka logs

Answer: B

Question 3

Which Kafka ACL configurations help restrict unauthorized data access?

Options :

A : Granting superuser privileges to all users

B : Allowing only specific users to produce messages to a topic

C : Defining ACLs based on SSL authentication

D : Restricting consumer groups from reading sensitive topics

E : Enabling unrestricted topic creation

Answer: B,C,D

Question 4

What is the purpose of the `zookeeper.connect` property in Kafka broker configuration?

Options :

A : To enable inter-broker communication

B : To configure producer retries

C : To specify the connection to the Kafka Controller

D : To define the ZooKeeper quorum that manages metadata

Answer: D

Question 5

A Kafka producer needs to ensure no duplicate messages are sent. Which configuration should be enabled?

Options :

A : linger.ms=5

B : min.insync.replicas=1

C : enable.idempotence=true

D : acks=1

Answer: C