Apache Kafka Practice Exam 2025 – The Complete All-in-One Guide for Exam Success!

The function of a Broker in Kafka is primarily to store data and serve client requests. In Kafka's architecture, brokers manage the data, which consists of messages produced by publishers (or producers) and stored in topics. Each broker is responsible for handling the read and write requests from producers and consumers, ensuring that messages are efficiently processed and stored in a fault-tolerant manner.

Brokers work together in a cluster to provide high availability, scalability, and reliability. They distribute messages across different partitions, maintaining the sequence and ensuring that consumers can read messages in the order they were produced. The effective handling of data storage and managing requests makes brokers a critical component of Kafka’s messaging system.

The other options focus on activities that are not part of the Broker's responsibilities within the Kafka ecosystem. Monitoring network traffic, creating user interfaces, and generating reports are tasks typically handled by other components or systems outside the scope of the Kafka Broker's functions.