Confluent
CCDAK · Question #139
CCDAK Question #139: Real Exam Question with Answer & Explanation
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Question
When is the onCompletion() method called? private class ProducerCallback implements Callback { @Override public void onCompletion(RecordMetadata recordMetadata, Exception e) { if (e != null) {
Options
- AWhen the message is partitioned and batched successfully
- BWhen message is serialized successfully
- CWhen the broker response is received
- DWhen send() method is called
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