You are managing a Kafka cluster with five brokers (broker id '0', '1','2','3','4') and three ZooKeepers. There are 100 topics, five partitions for each topic, and replication factor three on the…

Question

Options

• AKafka uses ZooKeeper's ephemeral node feature to elect a controller.
• BThe Controller is responsible for electing Leaders among the partitions and replicas.
• CThe Controller uses the epoch number to prevent a split brain scenario.
• DThe broker id is used as the epoch number to prevent a split brain scenario.
• EThe number of Controllers should always be equal to the number of brokers alive in the cluster.
• FThe Controller is responsible for reassigning partitions to the consumers in a Consumer Group.

• A
  74% (17)
• D
  9% (2)
• E
  4% (1)
• F
  13% (3)

Explanation

Kafka relies on ZooKeeper's ephemeral nodes to detect if a broker (controller) goes down and to elect a new controller. The controller manages partition leadership assignments and handles leader election when a The epoch number ensures coordination and avoids outdated controllers acting on stale data.

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