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Trustworthy CCDAK Source & CCDAK Test Cram Review

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The CCDAK certification is an important credential for developers who want to demonstrate their expertise in working with Kafka. Confluent Certified Developer for Apache Kafka Certification Examination certification is offered by Confluent, which is the company that created Kafka. Confluent is a leading provider of data streaming platforms, and the CCDAK Certification is recognized as a valuable credential by many organizations in the industry. Confluent Certified Developer for Apache Kafka Certification Examination certification is designed to be accessible to developers of all levels of experience, from beginners to experts.

Confluent Certified Developer for Apache Kafka Certification Examination Sample Questions (Q82-Q87):

NEW QUESTION # 82
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. Use Single Message Transforms to add schema and payload fields in the message
B. Set key.converter, value.converter to AvroConverter and the schema registry url
C. Set key.converter.schemas.enable and value.converter.schemas.enable to false
D. Set key.converter, value.converter to JsonConverter and the schema registry url

Answer: C

Explanation:
You will need to set the schemas.enable parameters for the converter to false for plain text with no schema.

NEW QUESTION # 83
What are stateful operations in Kafka Streams API? (Choose 2.)

A. map
B. branch
C. joins
D. windowing

Answer: C,D

NEW QUESTION # 84
How will you set the retention for the topic named my-topic to 1 hour?

A. Set the consumer config retention.ms to 3600000
B. Set the producer config retention.ms to 3600000
C. Set the topic config retention.ms to 3600000
D. Set the broker config log.retention.ms to 3600000

Answer: C

Explanation:
retention.ms can be configured at topic level while creating topic or by altering topic. It shouldn't be set at the broker level (log.retention.ms) as this would impact all the topics in the cluster, not just the one we are interested in

NEW QUESTION # 85
You are building a system for a retail store selling products to customers.
Which three datasets should you model as a GlobalKTable?
(Select three.)

A. Customer profile information
B. Log of payment transactions
C. All purchases at a retail store occurring in real time
D. Inventory of products at a warehouse
E. Catalog of products

Answer: A,D,E

Explanation:
A GlobalKTable is a replicated, read-only table available in full on all instances. It's best for reference or lookup datasets such as:
Product catalog
Customer profiles
Warehouse inventory
From Kafka Streams Developer Guide:
"Use GlobalKTable when you need to perform joins using non-partition-aligned reference data that's small enough to replicate." Purchases and transactions are high-throughput, time-sensitive streams, not static reference data.
Reference: Kafka Streams Concepts > GlobalKTable

NEW QUESTION # 86
You create a topic named stream-logs with:
* A replication factor of 3
* Four partitions
* Messages that are plain logs without a keyHow will messages be distributed across partitions?

A. Messages will be distributed round-robin among all the topic partitions.
B. All messages will be written to the same log segment.
C. The first message will always be written to partition 0.
D. Messages will be distributed among all the topic partitions with strict ordering.

Answer: A

Explanation:
If amessage key is not provided, Kafka's default partitioner usesround-robin distributionacross available partitions.
FromKafka Producer Design:
"If no key is provided, the default partitioner distributes messages round-robin to available partitions."
* A is incorrect - not all go to partition 0.
* C is invalid - Kafka doesn't group messages into one segment without a key.
* D is false - ordering isnot preservedacross partitions without a key.
Reference:Kafka Producer Partitioner Behavior

NEW QUESTION # 87
......

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