Free CCDAK Exam Braindumps

The Controller is a broker that is... (select two)

1. A. elected by Zookeeper ensemble
2. B. is responsible for partition leader election
3. C. elected by broker majority
4. D. is responsible for consumer group rebalances

Correct Answer: AB
Controller is a broker that in addition to usual broker functions is responsible for partition leader election. The election of that broker happens thanks to Zookeeper and at any time only one broker can be a controller

Consumer failed to process record # 10 and succeeded in processing record # 11. Select the course of action that you should choose to guarantee at least once processing

1. A. Commit offsets at 10
2. B. Do not commit until successfully processing the record #10
3. C. Commit offsets at 11

Correct Answer: C
Here, you shouldn't commit offsets 11 or 10 as it would indicate that the message #10 has been processed successfully.

is KSQL ANSI SQL compliant?

1. A. Yes
2. B. No

Correct Answer: B
KSQL is not ANSI SQL compliant, for now there are no defined standards on streaming SQL languages