試験合格保証付きのConfluent Certified Developer CCDAK試験問題集
Confluent CCDAK日常練習試験は2025年最新のに更新された260問あります
CCDAK認定を取得することは、Kafkaにおける専門知識を誇示し、業界での認知度を高めるための素晴らしい方法です。認定は2年間有効であり、維持するためには、試験を再受験するか、Confluentが提供するより高度な認定を取得する必要があります。
質問 # 92
A stream processing application is consuming from a topic that has five partitions. You run three instances of your application, each with num.streams.threads set to five.
You need to identify the amount of total stream tasks that will be created and the amount that will be actively consuming messages from the input topic.
Which option is correct?
- A. 5 created, 1 actively consuming
- B. 5 created, 5 actively consuming
- C. 15 created, 5 actively consuming
- D. 15 created, 15 actively consuming
正解：D
質問 # 93
Which of the following is NOT a supported serialization format in ksqlDB?
- A. BSON
- B. Delimited
- C. Avro
- D. Protobuf
正解：A
質問 # 94
You need to correctly join data from two Kafka topics.
What will allow for the co-partitioning? (Choose 2.)
- A. Both topics have the same retention time.
- B. Both topics have the same key and partitioning strategy.
- C. Both topics have the same value schema.
- D. Both topics have the same number of partitions.
正解：B、D
質問 # 95
Refer to the producer code below. It features a 'Callback' class with a method called 'onCompletion()'. When will the 'onCompletion()' method be Invoked?
producer.send(record, new MyCallback(record));
- A. When the producer batches the message
- B. When a broker sends an acknowledgement to the producer
- C. When the producer puts the message into its socket buffer
- D. When a consumer sends an acknowledgement to the producer
正解：B
質問 # 96
What isn't a feature of the Confluent schema registry?
- A. Store schemas
- B. Store avro data
- C. Enforce compatibility rules
正解：B
解説：
Data is stored on brokers.
質問 # 97
A consumer has auto.offset.reset=latest, and the topic partition currently has data for offsets going from 45 to
2311. The consumer group never committed offsets for the topic before. Where will the consumer read from?
- A. offset 0
- B. it will crash
- C. offset 2311
- D. offset 45
正解：C
解説：
Latest means that data retrievals will start from where the offsets currently end
質問 # 98
What are stateful operations in Kafka Streams API? (Choose 2.)
- A. branch
- B. joins
- C. windowing
- D. map
正解：B、C
質問 # 99
How do you read a table or stream from the beginning of a topic?
- A. itemId as itemId,
- B. SELECT STRUCT(f1 := v1, f2 := v2) FROM s1 EMIT CHANGES;
- C. SET 'auto.offset.reset' = 'latest';
SELECT STRUCT(f1 := v1, f2 := v2) FROM s1 EMIT CHANGES; - D. id as shipmentId,
- E. id as orderId
- F. id as paymentId
FROM orders o
INNER JOIN payments p WITHIN 1 HOURS ON p.id = o.id
INNER JOIN shipments s WITHIN 2 HOURS ON s.id
= o.id; - G. SET 'auto.offset.reset' = 'earliest';
SELECT STRUCT(f1 := v1, f2 := v2) FROM s1 EMIT CHANGES; - H. CREATE STREAM shipped_orders AS
SELECT
正解：G
質問 # 100
A Kafka producer application wants to send log messages to a topic that does not include any key. What are the properties that are mandatory to configure for the producer configuration? (select three)
- A. value.serializer
- B. partition
- C. key.serializer
- D. key
- E. bootstrap.servers
- F. value
正解：A、C、E
解説：
Both key and value serializer are mandatory.
質問 # 101
Which two producer exceptions are examples of the class RetriableException? (Select two.)
- A. AuthorizationException
- B. RecordTooLargeException
- C. NotEnoughReplicasException
- D. LeaderNotAvailableException
正解：C、D
解説：
BothLeaderNotAvailableExceptionandNotEnoughReplicasExceptionare subclasses of RetriableException, which representstransient issuesthat may succeed upon retry.
FromApache Kafka Java Client Documentation:
"RetriableException indicates that the request can be retried. This includes network errors and certain broker- side failures like leader not available or not enough replicas."
* RecordTooLargeException and AuthorizationException arenon-retriablebecause they represent client misconfigurations or access issues.
Reference:Kafka Error Handling Guide > Retriable vs. Non-Retriable Exceptions
質問 # 102
Which actions will trigger partition rebalance for a consumer group? (select three)
- A. Increase partitions of a topic
- B. A consumer in a consumer group shuts down
- C. Remove a broker from the cluster
- D. Add a broker to the cluster
- E. Add a new consumer to consumer group
正解：A、B、E
解説：
Rebalance occurs when a new consumer is added, removed or consumer dies or paritions increased.
質問 # 103
What is the default port that the KSQL server listens on?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
解説：
Default port of KSQL server is 8088
質問 # 104
There are 3 producers writing to a topic with 5 partitions. There are 5 consumers consuming from the topic.
How many Controllers will be present in the cluster?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
解説：
There is only one controller in a cluster at all times.
質問 # 105
You need to consume messages from Kafka using the command-line interface (CLI).
Which command should you use?
- A. kafka-console-consumer
- B. kafka-get-messages
- C. kafka-consume
- D. kafka-consumer
正解：A
解説：
The official CLI utility for consuming messages from Kafka topics is kafka-console-consumer.sh. It connects to the broker, consumes messages, and prints them to standard output.
FromKafka CLI Tools Documentation:
"kafka-console-consumer.sh is used to read data from a Kafka topic and write it to standard output." The other options are not valid Kafka CLI tools.
Reference:Apache Kafka Documentation > kafka-console-consumer.sh
質問 # 106
What is not a valid authentication mechanism in Kafka?
- A. SSL
- B. SASL/GSSAPI
- C. SAML
- D. SASL/SCRAM
正解：C
解説：
Learn more about security herehttps://kafka.apache.org/documentation/#security
質問 # 107
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Kafkaとストリーミングデータの重要性が高まる中、Confluent CCDAK認定試験は、ITプロフェッショナルにとって重要な資格となっています。Confluentの認定試験は、ITプロフェッショナルが現在の急速に変化するテクノロジーエコシステムにおけるApache Kafka開発のスキルと経験を証明するための優れた方法です。この認定は、採用前にApache Kafka開発における候補者の専門知識を測定するために雇用主が参考にすることもできます。
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有効問題を試そう！CCDAK実際の試験問題解答：https://drive.google.com/open?id=1eLCDJa7uFFToxa3FYS8U1ik1I3I_GJkO