Confluent CCDAK Confluent Certified Developer for Apache Kafka Certification Examination Online Training
Confluent CCDAK Online Training
The questions for CCDAK were last updated at Nov 19,2024.
- Exam Code: CCDAK
- Exam Name: Confluent Certified Developer for Apache Kafka Certification Examination
- Certification Provider: Confluent
- Latest update: Nov 19,2024
Where are the dynamic configurations for a topic stored?
- A . In Zookeeper
- B . In an internal Kafka topic __topic_configuratins
- C . In server.properties
- D . On the Kafka broker file system
What happens when broker.rack configuration is provided in broker configuration in Kafka cluster?
- A . You can use the same broker.id as long as they have different broker.rack configuration
- B . Replicas for a partition are placed in the same rack
- C . Replicas for a partition are spread across different racks
- D . Each rack contains all the topics and partitions, effectively making Kafka highly available
What is the disadvantage of request/response communication?
- A . Scalability
- B . Reliability
- C . Coupling
- D . Cost
When using plain JSON data with Connect, you see the following error messageorg.apache.kafka.connect.errors.DataExceptionJsonDeserializer with schemas.enable requires "schema" and "payload" fields and may not contain additional fields .
How will you fix the error?
- A . Set key.converter, value.converter to JsonConverter and the schema registry url
- B . Use Single Message Transforms to add schema and payload fields in the message
- C . Set key.converter.schemas.enable and value.converter.schemas.enable to false
- D . Set key.converter, value.converter to AvroConverter and the schema registry url
There are 3 brokers in the cluster. You want to create a topic with a single partition that is resilient to one broker failure and one broker maintenance .
What is the replication factor will you specify while creating the topic?
- A . 6
- B . 3
- C . 2
- D . 1
Two consumers share the same group.id (consumer group id). Each consumer will
- A . Read mutually exclusive offsets blocks on all the partitions
- B . Read all the data on mutual exclusive partitions
- C . Read all data from all partitions
A consumer starts and has auto.offset.reset=none, and the topic partition currently has data for offsets going from 45 to 2311. The consumer group has committed the offset 10 for the topic before.
Where will the consumer read from?
- A . offset 45
- B . offset 10
- C . it will crash
- D . offset 2311
A kafka topic has a replication factor of 3 and min.insync.replicas setting of 2 .
How many brokers can go down before a producer with acks=all can’t produce?
- A . 0
- B . 2
- C . 1
- D . 3
Where are KSQL-related data and metadata stored?
- A . Kafka Topics
- B . Zookeeper
- C . PostgreSQL database
- D . Schema Registry