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Confluent CCAAK Exam - Topic 4 Question 22 Discussion

Actual exam question for Confluent's CCAAK exam

Question #: 22
Topic #: 4

[All CCAAK Questions]

Why does Kafka use ZooKeeper? (Choose two.)

ATo access information about the leaders and partitions

BTo scale the number of brokers in the cluster

CTo prevent replication between clusters

DFor controller election

Show Suggested Answer

Suggested Answer: A, D

ZooKeeper stores metadata such as partition leadership and ISR (in-sync replicas), which brokers use to coordinate.

Kafka uses ZooKeeper to perform leader election for the Controller broker, which manages cluster metadata and leadership changes.

by Polly at Jun 18, 2026, 03:49 PM

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Zoila

I definitely know it helps with controller election, but I’m torn between the other options.

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Van

5 days ago

I feel like scaling brokers might be related, but I can't recall if that's a direct function of ZooKeeper.

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Rosalind

10 days ago

I remember something about ZooKeeper managing leader and partition info, so maybe that's one of the answers?

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Henriette

15 days ago

I think Kafka uses ZooKeeper for controller election, but I'm not sure about the other option.

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