Confluent CCAAK Certification Exam Sample Questions

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Confluent CCAAK Sample Questions:

01. Which practices help reduce mean time to recovery (MTTR) during Kafka incidents?
(Choose three.)
a) Increasing partition count
b) Automated alerting
c) Regular failure testing
d) Clear runbooks and procedures
 
02. Why can increasing the partition count sometimes worsen cluster performance?
a) It limits producer parallelism
b) It disables rack awareness
c) It increases metadata and resource overhead
d) It reduces the replication factor
 
03. Which log message is most relevant when diagnosing authentication failures?
a) Log cleaner thread warnings
b) SASL authentication exceptions
c) Network processor timeout errors
d) Replica fetcher lag messages
 
04. A Kafka broker is running but repeatedly falls out of the ISR for several partitions. Which issue is the most likely root cause?
a) Slow disk or network I/O on the broker
b) Incorrect topic retention settings
c) High consumer lag
d) Excessive producer batching
 
05. Why is it important to monitor end-to-end latency rather than only broker metrics?
a) End-to-end latency replaces lag monitoring
b) End-to-end latency captures application-level delays
c) Broker metrics ignore consumer offsets
d) Broker metrics are unreliable
 
06. A message written to a Kafka topic results in the creation of a new online shopping order. What is the best method to update the order when a new message containing a status update is received?
a) Use a Kafka connector to update the original order message
b) Write a Kafka Streams application that can update/modify the order message
c) Write a Kafka producer that will locate and update the order message
d) Write a Kafka producer that will create a new message based upon the updated order status
 
07. In a Kafka cluster running in ZooKeeper mode, when the broker running the controller fails, which broker becomes the new controller?
a) The first broker to successfully recreate the ZooKeeper ephemeral controller node
b) The next broker in the cluster join order
c) The broker having the next highest broker.id value
d) The next broker to persist new metadata in ZooKeeper
 
08. On a consumer-group rebalance, computing the partition assignment for the group's members is delegated to which entity?
a) Group Partitioner
b) Group Coordinator
c) Group Leader
d) Group Controller
 
09. When a message is committed on a partition, the leader advances which of the following?
a) Log end offset
b) Partition log offset
c) Consumer Group offset
d) High Water Mark
 
10. Several applications are producing messages with different compression formats to a single Kafka topic that has multiple partitions. How will consuming applications become aware of the different compression formats used by each producer?
a) Producers will indicate the compression type in the header of each message
b) This is not possible, because each Kafka topic requires all of its partitions to have the same compression type
c) Brokers will record the compression type of each message in an internal Kafka topic
d) Brokers will write each message into the partition that matches the producer's compression type setting

Answers:

Question: 01
Answer: b, c, d		 Question: 02
Answer: c		 Question: 03
Answer: b		 Question: 04
Answer: a		 Question: 05
Answer: b
Question: 06
Answer: d		 Question: 07
Answer: a		 Question: 08
Answer: c		 Question: 09
Answer: d		 Question: 10
Answer: a

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