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Confluent CCDAK Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Kafka Streams and Processing | - Kafka Streams API
|
| Kafka Fundamentals | - Data flow in Kafka
|
| Kafka Producers and Consumers | - Producer API
|
| Kafka Ecosystem and Confluent Platform | - ksqlDB and connectors
|
Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions:
(You are writing a producer application and need to ensure proper delivery.
You configure the producer with acks=all.
Which two actions should you take to ensure proper error handling?
Select two.)
- A. Surround the call to producer.send() with a try/catch block to catch KafkaException.
- B. Use a callback argument in producer.send() where you check delivery status.
- C. Check the value of ProducerRecord.status().
- D. Check that producer.send() returned a RecordMetadata object and is not null.
Correct Answer: A,B 🗳️
Explanation: Only visible for Dumpexams members. You can sign-up / login (it's free).
Your company has three Kafka clusters: Development, Testing, and Production.
The Production cluster is running out of storage, so you add a new node.
Which two statements about the new node are true?
(Select two.)
- A. A new node will not have any partitions assigned to it unless a new topic is created or reassignment occurs.
- B. A newly added node will have KRaft controller role by default.
- C. A new node can be added without stopping existing cluster nodes.
- D. A node ID will be assigned to the new node automatically.
Correct Answer: A,C 🗳️
Explanation: Only visible for Dumpexams members. You can sign-up / login (it's free).
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=OfflinePartitionsCount
- B. kafka.controller:type=KafkaController,name=ActiveControllerCount
- C. kafka.controller:type=KafkaController,name=LastCommittedRecordOffset
- D. kafka.controller:type=ControllerStats,name=UncleanLeaderElectionsPerSec
- E. kafka.controller:type=KafkaController,name=TopicsToDeleteCount
Correct Answer: A,B,D 🗳️
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Clients that connect to a Kafka cluster are required to specify one or more brokers in the bootstrap.servers parameter.
What is the primary advantage of specifying more than one broker?
- A. It provides redundancy in making the initial connection to the Kafka cluster.
- B. It is the mechanism to distribute a topic's partitions across multiple brokers.
- C. It forces clients to enumerate every single broker in the cluster.
- D. It provides the ability to wake up dormant brokers.
Correct Answer: A 🗳️
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(You need to set alerts on key broker metrics to trigger notifications when a Kafka cluster is unhealthy.
What are three minimum broker metrics to monitor for cluster health?
Select three.)
- A. kafka.controller:type=KafkaController,name=OfflinePartitionsCount
- B. kafka.controller:type=KafkaController,name=ActiveControllerCount
- C. kafka.controller:type=KafkaController,name=LastCommittedRecordOffset
- D. kafka.controller:type=ControllerStats,name=UncleanLeaderElectionsPerSec
- E. kafka.controller:type=KafkaController,name=TopicsToDeleteCount
Correct Answer: A,B,D 🗳️
Explanation: Only visible for Dumpexams members. You can sign-up / login (it's free).
