[2025年12月15日] CCDAK PDF問題とテストエンジンには260問があります [Q92-Q113]

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[2025年12月15日] CCDAK PDF問題とテストエンジンには260問があります

更新された試験エンジンはCCDAK試験無料お試しサンプル365日更新されます

質問 92
Which actions will trigger partition rebalance for a consumer group? (select three)

Increase partitions of a topic

Remove a broker from the cluster

Add a new consumer to consumer group

A consumer in a consumer group shuts down

Add a broker to the cluster

質問 93
Which of the following is true regarding thread safety in the Java Kafka Clients?

One Producer can be safely used in multiple threads

One Consumer can be safely used in multiple threads

One Consumer needs to run in one thread

One Producer needs to be run in one thread

質問 94
What is true about partitions? (select two)

A broker can have a partition and its replica on its disk

You cannot have more partitions than the number of brokers in your cluster

A broker can have different partitions numbers for the same topic on its disk

Only out of sync replicas are replicas, the remaining partitions that are in sync are also leader

A partition has one replica that is a leader, while the other replicas are followers

質問 95
What is returned by a producer.send() call in the Java API?

Future<ProducerRecord> object

A Boolean indicating if the call succeeded

Future<RecordMetadata> object

Unit

質問 96
Which partition assignment minimizes partition movements between two assignments?

RoundRobinAssignor

StickyAssignor

RangeAssignor

PartitionAssignor

質問 97
You need to configure a sink connector to write records that fail into a dead letter queue topic.
Requirements:
* Topic name: DLQ-Topic
* Headers containing error context must be added to the messagesWhich three configuration parameters are necessary?(Select three.)

errors.tolerance=all

errors.deadletterqueue.topic.name=DLQ-Topic

errors.deadletterqueue.context.headers.enable=true

errors.tolerance=none

errors.log.enable=true

errors.log.include.messages=true

質問 98
How will you set the retention for the topic named my-topic to 1 hour?

Set the broker config log.retention.ms to 3600000

Set the consumer config retention.ms to 3600000

Set the topic config retention.ms to 3600000

Set the producer config retention.ms to 3600000

質問 99
Producing with a key allows to…

Ensure per-record level security

Influence partitioning of the producer messages

Add more information to my message

Allow a Kafka Consumer to subscribe to a (topic,key) pair and only receive that data

質問 100
What client protocol is supported for the schema registry? (select two)

HTTP

HTTPS

JDBC

Websocket

SASL

質問 101
There are five brokers in a cluster, a topic with 10 partitions and replication factor of 3, and a quota of producer_bytes_rate of 1 MB/sec has been specified for the client. What is the maximum throughput allowed for the client?

10 MB/s

0.33 MB/s

1 MB/s

5 MB/s

質問 102
You have a topic with four partitions. The application reads from it using two consumers in a single consumer group.
Processing is CPU-bound, and lag is increasing.
What should you do?

Add more consumers to increase the level of parallelism of the processing.

Add more partitions to the topic to increase the level of parallelism of the processing.

Increase the max.poll.records property of consumers.

Decrease the max.poll.records property of consumers.

質問 103
Which Kafka CLI should you use to consume from a topic?

kafka-console-consumer

kafka-topics

kafka-console

kafka-consumer-groups

質問 104
You have a Kafka cluster and all the topics have a replication factor of 3. One intern at your company stopped a broker, and accidentally deleted all the data of that broker on the disk. What will happen if the broker is restarted?

The broker will start, and other topics will also be deleted as the broker data on the disk got deleted

The broker will start, and won’t be online until all the data it needs to have is replicated from other leaders

The broker will crash

The broker will start, and won’t have any data. If the broker comes leader, we have a data loss

質問 105
What is not a valid authentication mechanism in Kafka?

SASL/GSSAPI

SASL/SCRAM

SAML

SSL

質問 106
What are the requirements for a Kafka broker to connect to a Zookeeper ensemble? (select two)

Unique value for each broker’s zookeeper.connect parameter

Unique values for each broker’s broker.id parameter

All the brokers must share the same broker.id

All the brokers must share the same zookeeper.connect parameter

質問 107
How would you describe a connector in ksqlDB?

DESCRIBE CONNECTOR connector_name;

DESCRIBE connector_name CONNECTOR;

DROP CONNECTOR [IF EXISTS] connector_name;

DESCRIBE ip_sum EXTENDED;

質問 108
The rule “same key goes to the same partition” is true unless…

the number of producer changes

the number of kafka broker changes

the number of partition changes

the replication factor changes

質問 109
How do you read a table or stream from the beginning of a topic?

SET ‘auto.offset.reset’ = ‘earliest’;
SELECT STRUCT(f1 := v1, f2 := v2) FROM s1 EMIT CHANGES;

SET ‘auto.offset.reset’ = ‘latest’;
SELECT STRUCT(f1 := v1, f2 := v2) FROM s1 EMIT CHANGES;

SELECT STRUCT(f1 := v1, f2 := v2) FROM s1 EMIT CHANGES;

CREATE STREAM shipped_orders AS
SELECT

id as orderId

itemId as itemId,

id as shipmentId,

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;

質問 110
If I produce to a topic that does not exist, and the broker setting auto.create.topic.enable=true, what will happen?

Kafka will automatically create the topic with 1 partition and 1 replication factor

Kafka will automatically create the topic with the indicated producer settings num.partitions and default.
replication.factor

Kafka will automatically create the topic with the broker settings num.partitions and default.replication.
factor

Kafka will automatically create the topic with num.partitions=#of brokers and replication.factor=3

質問 111
What is accomplished by producing data to a topic with a message key?

Messages with the same key are routed to a deterministically selected partition, enabling order guarantees within that partition.

Kafka brokers allow you to add more partitions to a given topic, without impacting the data flow for existing keys.

It provides a mechanism for encrypting messages at the partition level to ensure secure data transmission.

Consumers can filter messages in real time based on the message key without processing unrelated messages.

質問 112
When using the Confluent Kafka Distribution, where does the schema registry reside?

As a separate JVM component

As an in-memory plugin on your Zookeeper cluster

As an in-memory plugin on your Kafka Brokers

As an in-memory plugin on your Kafka Connect Workers

質問 113
How much should be the heap size of a broker in a production setup on a machine with 256 GB of RAM, in PLAINTEXT mode?

4 GB

128 GB

16 GB

512 MB

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[2025年12月15日] CCDAK PDF問題とテストエンジンには260問があります [Q92-Q113]

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