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Confluent CCDAK Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Application Testing8%- Unit testing producers and consumers
- Integration testing and test clusters
- Mocking and test utilities
Topic 2: Application Observability13%- Tracing and performance tuning
- Error diagnosis and troubleshooting
- Logging and monitoring metrics
Topic 3: Apache Kafka Application Development28%- Transactional messaging and idempotence
- Schema management: Confluent Schema Registry, compatibility rules, evolution
- Producer API: configuration, serialization, partitioning, error handling
- Consumer API: configuration, offset management, consumer groups, rebalancing
Topic 4: Apache Kafka Fundamentals23%- Kafka architecture and data flow
- Configuration basics and cluster setup
- Core concepts: brokers, topics, partitions, replicas, offsets
- Delivery semantics: at-most-once, at-least-once, exactly-once
Topic 5: Kafka Connect15%- Source and sink connectors configuration
- Data transformation and integration patterns
- Connect architecture: workers, connectors, tasks, converters
Topic 6: Apache Kafka Streams12%- Stream processing operations: map, filter, join, aggregation
- Windowing and time semantics
- Error handling and state management
- Streams API concepts: topology, processors, state stores

>> CCDAK在線考題 <<

熱門的CCDAK在線考題，全面覆蓋CCDAK考試知識點

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最新的 Confluent Certified Developer CCDAK 免費考試真題 (Q65-Q70):

問題 #65
You are doing complex calculations using a machine learning framework on records fetched from a Kafka topic. It takes more about 6 minutes to process a record batch, and the consumer enters rebalances even though it's still running. How can you improve this scenario?

答案：B

解題說明：
Here, we need to change the setting max.poll.interval.ms (default 300000) to its double in order to tell Kafka a consumer should be considered dead if the consumer only if it hasn't called the .poll() method in 10 minutes instead of 5.


問題 #66
A topic has three replicas and you set min.insync.replicas to 2. If two out of three replicas are not available, what happens when a produce request with acks=all is sent to broker?

答案：B

解題說明：
With this configuration, a single in-sync replica becomes read-only. Produce request will receive NotEnoughReplicasException.


問題 #67
In Avro, removing or adding a field that has a default is a __ schema evolution

答案：C

解題說明：
Clients with new schema will be able to read records saved with old schema and clients with old schema will be able to read records saved with new schema.


問題 #68
Which two statements about Kafka Connect Single Message Transforms (SMTs) are correct?
(Select two.)

答案：B,D

解題說明：
SMTs (Single Message Transforms) are lightweight transformations applied to individual messages as they pass through Kafka Connect.
Chaining SMTs: You can apply multiple SMTs in sequence by defining them in order in the connector config.
Masking or modifying fields is a common use case (e.g., redacting sensitive data).
From Kafka Connect Documentation:
"Single Message Transforms (SMTs) are applied to individual messages. You can chain multiple SMTs together." SMTs do not perform joins (B is incorrect).
Converters and SMTs are separate concerns (D is incorrect).
Reference: Kafka Connect Transformations Guide


問題 #69
Your manager would like to have topic availability over consistency. Which setting do you need to change in order to enable that?

答案：C

解題說明：
unclean.leader.election.enable=true allows non ISR replicas to become leader, ensuring availability but losing consistency as data loss will occur


問題 #70
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