The producer code below features a Callback class with a method called onCompletion().

Vendor: Confluent
Product: CCDAK
Update on: Feb 21, 2026
Questions: 90

Confluent CCDAK Question Answer

The producer code below features a Callback class with a method called onCompletion().

When will the onCompletion() method be invoked?

When a consumer sends an acknowledgement to the producer

When the producer puts the message into its socket buffer

When the producer batches the message

When the producer receives the acknowledgment from the broker

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