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Confluent CCDAK Exam Syllabus Topics:

Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions:

1. 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 can be added without stopping existing cluster nodes.
B) A newly added node will have KRaft controller role by default.
C) A new node will not have any partitions assigned to it unless a new topic is created or reassignment occurs.
D) A node ID will be assigned to the new node automatically.

2. A stream processing application is consuming from a topic with five partitions. You run three instances of the application. Each instance has num.stream.threads=5.
You need to identify the number of stream tasks that will be created and how many will actively consume messages from the input topic.

A) 5 created, 5 actively consuming
B) 5 created, 1 actively consuming
C) 15 created, 15 actively consuming
D) 15 created, 5 actively consuming

3. You are sending messages to a Kafka cluster in JSON format and want to add more information related to each message:
Format of the message payload
Message creation time
A globally unique identifier that allows the message to be traced through the systemWhere should this additional information be set?

A) Header
B) Key
C) Value
D) Broker

4. You need to collect logs from a host and write them to a Kafka topic named 'logs-topic'. You decide to use Kafka Connect File Source connector for this task.
What is the preferred deployment mode for this connector?

A) Distributed mode
B) SingleCluster mode
C) Parallel mode
D) Standalone mode

5. 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) Use a callback argument in producer.send() where you check delivery status.
B) Surround the call of producer.send() with a try/catch block to catch KafkaException.
C) Check that producer.send() returned a RecordMetadata object and is not null.
D) Check the value of ProducerRecord.status().

Solutions: