INTERACTIVE CCAAK PRACTICE EXAM & CCAAK PDF CRAM EXAM

Interactive CCAAK Practice Exam & CCAAK PDF Cram Exam

Interactive CCAAK Practice Exam & CCAAK PDF Cram Exam

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Tags: Interactive CCAAK Practice Exam, CCAAK PDF Cram Exam, CCAAK Exam Duration, CCAAK Valid Test Dumps, CCAAK Test Papers

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CCAAK - Confluent Certified Administrator for Apache Kafka –High Pass-Rate Interactive Practice Exam

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Confluent Certified Administrator for Apache Kafka Sample Questions (Q46-Q51):

NEW QUESTION # 46
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. three
  • B. Four
  • C. two
  • 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 # 47
Why does Kafka use ZooKeeper? (Choose two.)

  • A. To access information about the leaders and partitions
  • B. To scale the number of brokers in the cluster
  • C. To prevent replication between clusters
  • D. For controller election

Answer: A,D

Explanation:
ZooKeeper stores metadata such as partition leadership and ISR (in-sync replicas), which brokers use to coordinate.
Kafka uses ZooKeeper to perform leader election for the Controller broker, which manages cluster metadata and leadership changes.


NEW QUESTION # 48
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-groups.sh
  • C. bin/kafka-consumer-group-throughput.sh
  • D. bin/kafka-consumer-lag.sh

Answer: B

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 # 49
If the Controller detects the failure of a broker that was the leader for some partitions, which actions will be taken? (Choose two.)

  • A. The Controller waits for a new leader to be nominated by ZooKeeper.
  • B. The Controller persists the new leader and ISR list to ZooKeeper.
  • C. The Controller sends the new leader and ISR list changes to all brokers.
  • D. The Controller sends the new leader and ISR list changes to all producers and consumers.

Answer: B,C

Explanation:
The Controller updates ZooKeeper with the new leader and in-sync replica (ISR) information to maintain metadata consistency.
Brokers need this information to correctly route client requests and continue replication.


NEW QUESTION # 50
A topic 'recurring payments' is created on a Kafka cluster with three brokers (broker id '0', '1', '2') and nine partitions. The 'min.insync replicas' is set to three, and producer is set with 'acks' as 'all'. Kafka Broker with id '0' is down.
Which statement is correct?

  • A. Producers will only be able to write messages to the topic where the Leader for the partition is on Broker id T.
  • B. Producers and consumers will have no impact on six of the nine partitions.
  • C. Producers can write messages to all the partitions, because new leaders for the partitions will be elected.
  • D. Consumers can read committed messages from partitions on broker id T, "2

Answer: B

Explanation:
With 9 partitions spread across 3 brokers, each broker typically hosts 3 leaders (assuming even distribution). When Broker 0 fails, the partitions for which it was leader will elect new leaders on brokers 1 or 2 if enough in-sync replicas (ISRs) remain. But since min.insync.replicas=3 and only 2 brokers are up, no partition can meet the minimum in-sync replica requirement, so producers with acks=all will fail to write. However, for partitions where Broker 0 is not the leader, consumers can still read committed messages. Given that only 3 partitions likely had Broker 0 as leader, six partitions remain accessible for reads, but not writes.


NEW QUESTION # 51
......

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