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[General] Confluent CCAAK Valid Torrent & CCAAK Reliable Exam Syllabus

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【General】 Confluent CCAAK Valid Torrent & CCAAK Reliable Exam Syllabus

Posted at yesterday 08:38      View：20 | Replies：1        Print      Only Author   [Copy Link] 1#
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Confluent Certified Administrator for Apache Kafka Sample Questions (Q26-Q31):NEW QUESTION # 26
Kafka Connect is running on a two node cluster in distributed mode. The connector is a source connector that pulls data from Postgres tables (users/payment/orders), writes to topics with two partitions, and with replication factor two. The development team notices that the data is lagging behind.
What should be done to reduce the data lag*?
The Connector definition is listed below:
{
"name": "confluent-postgresql-source",
"connector class": "PostgresSource",
"topic.prefix": "postgresql_",
& nbsp;& nbsp;& nbsp;...
"db.name": "postgres",
"table.whitelist": "users.payment.orders",
"timestamp.column.name": "created_at",
"output.data format": "JSON",
"db.timezone": "UTC",
"tasks.max": "1"
}
  • A. Increase the number of Connect Nodes.
  • B. Increase the number of partitions.
  • C. Increase the number of Connect Tasks (tasks max value).
  • D. Increase the replication factor and increase the number of Connect Tasks.
Answer: C
Explanation:
The connector is currently configured with "tasks.max": "1", which means only one task is handling all tables (users, payment, orders). This can create a bottleneck and lead to lag. Increasing tasks.max allows Kafka Connect to parallelize work across multiple tasks, which can pull data from different tables concurrently and reduce lag.

NEW QUESTION # 27
Which secure communication is supported between the REST proxy and REST clients?
  • A. Kerberos
  • B. TLS (HTTPS)
  • C. MD5
  • D. SCRAM
Answer: B

NEW QUESTION # 28
Your Kafka cluster has four brokers. The topic t1 on the cluster has two partitions, and it has a replication factor of three. You create a Consumer Group with four consumers, which subscribes to t1.
In the scenario above, how many Controllers are in the Kafka cluster?
  • A. two
  • B. three
  • C. Four
  • D. One
Answer: D
Explanation:
In a Kafka cluster, only one broker acts as the Controller at any given time. The Controller is responsible for managing cluster metadata, such as partition leadership and broker status. Even if the cluster has multiple brokers (in this case, four), only one is elected as the Controller, and others serve as regular brokers. If the current Controller fails, another broker is automatically elected to take its place.

NEW QUESTION # 29
An employee in the reporting department needs assistance because their data feed is slowing down. You start by quickly checking the consumer lag for the clients on the data stream.
Which command will allow you to quickly check for lag on the consumers?
  • A. bin/kafka-reassign-partitions.sh
  • B. bin/kafka-consumer-group-throughput.sh
  • C. bin/kafka-consumer-lag.sh
  • D. bin/kafka-consumer-groups.sh
Answer: D
Explanation:
The kafka-consumer-groups.sh script is used to inspect consumer group details, including consumer lag, which indicates how far behind a consumer is from the latest data in the partition.
The typical usage is bin/kafka-consumer-groups.sh --bootstrap-server <broker> --describe --group <group_id>

NEW QUESTION # 30
You want to increase Producer throughput for the messages it sends to your Kafka cluster by tuning the batch size ('batch size') and the time the Producer waits before sending a batch ('linger.ms').
According to best practices, what should you do?
  • A. Decrease 'batch.size' and increase 'linger.ms'
  • B. Increase 'batch.size' and increase 'linger.ms'
  • C. Increase 'batch.size' and decrease 'linger.ms'
  • D. Decrease 'batch.size' and decrease 'linger.ms'
Answer: B
Explanation:
Increasing batch.size allows the producer to accumulate more messages into a single batch, improving compression and reducing the number of requests sent to the broker.
Increasing linger.ms gives the producer more time to fill up batches before sending them, which improves batching efficiency and throughput.
This combination is a best practice for maximizing throughput, especially when message volume is high or consistent latency is not a strict requirement.

NEW QUESTION # 31
......
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