Exam CCAAK Topic 3 Question 3 Discussion

Actual exam question for Confluent's CCAAK exam
Question #: 3
Topic #: 3
Your Kafka cluster has four brokers. The topic t1 on the cluster has two partitions, and it has a replication factor of three. You create a Consumer Group with four consumers, which subscribes to t1.
In the scenario above, how many Controllers are in the Kafka cluster?

Suggested Answer: A Vote an answer

In a Kafka cluster, only one broker acts as the Controller at any given time. The Controller is responsible for managing cluster metadata, such as partition leadership and broker status. Even if the cluster has multiple brokers (in this case, four), only one is elected as the Controller, and others serve as regular brokers. If the current Controller fails, another broker is automatically elected to take its place.

by Martina at Jan 05, 2026, 01:56 PM

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