Confluent CCDAK : Confluent Certified Developer for Apache Kafka Certification Examination

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Confluent CCDAK Exam Syllabus Topics:

Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions:

1. Where are source connector offsets stored?

A) topic.offset.config
B) offset, storage, partitions
C) storage.offset.topic
D) offset.storage.topic

2. You need to set alerts on key broker metrics to trigger notifications when the cluster is unhealthy.
Which are three minimum broker metrics to monitor?
(Select three.)

A) kafka.controller:type=KafkaController,name=TopicsToDeleteCount
B) kafka.controller:type=ControllerStats,name=UncleanLeaderElectionsPerSec
C) kafka.controller:type=KafkaController,name=LastCommittedRecordOffset
D) kafka.controller:type=KafkaController,name=ActiveControllerCount
E) kafka.controller:type=KafkaController,name=OfflinePartitionsCount

3. Which two statements about Kafka Connect Single Message Transforms (SMTs) are correct?
(Select two.)

A) SMT functionality is included within Kafka Connect converters.
B) SMTs are often used to join multiple records from a source data system into a single Kafka record.
C) Multiple SMTs can be chained together and act on source or sink messages.
D) Masking data is a good example of an SMT.

4. You create a producer that writes messages about bank account transactions from tens of thousands of different customers into a topic.
Your consumers must process these messages with low latency and minimize consumer lag Processing takes ~6x longer than producing Transactions for each bank account must be processed in orderWhich strategy should you use?

A) Use a combination of the bank account number and the transaction timestamp as the message key.
B) Use the bank account number found in the message as the message key.
C) Use the timestamp of the message's arrival as its key.
D) Use a unique identifier such as a universally unique identifier (UUID) as the message key.

5. (Your configuration parameters for a Source connector and Connect worker are:
* offset.flush.interval.ms=60000
* offset.flush.timeout.ms=500
* offset.storage.topic=connect-offsets
* offset.storage.replication.factor=-1
Which two statements match the expected behavior?
Select two.)

A) The offsets topic will use the broker default replication factor.
B) The connector will wait 500 ms before trying to commit offsets for tasks.
C) The connector will commit offsets to a topic called connect-offsets.
D) The connector will commit offsets to the broker default offsets topic.

Solutions: