02. Sample Questions
Sample Questions
1. Kafka isโฆ(Choose one)
A. Pub-Sub Messaging System
B. Message Queue
C. Enterprise Service Bus
D. Web Application Server
2.Changing a configuration parameter on a Kafka broker will: :
(Choose one)
A. Be ignored if the default value is greater
B. Override any corresponding topic configuration settings
C. Always require a restart of the Kafka JVM
D. Be overridden by corresponding topic configuration settings
3. How many controllers is in a Kafka Cluster?(Choose one)
A. One
B. Two
C. Three
D. Four
4. There is a Kafka Cluster which consist of 3 Brokers and a topic
which has 2 partitions with replications factor 3, min.insync.replicas 2. A Producer send messages to the topic. When a Broker fails, what will be happened?(Choose one)
A. The producer can not send messages to the topic B. The producer can send messages to the topic C. Consumer rebalance will be triggered D. All broker will be stopped
5. Select Kafka Streams stateless operations (Choose two)
A. GroupBy
B. Count
C. Join
D. Filter
E. Aggregate
6. Which broker will handle all input for partition 0 of topic โsensorโ. (Choose one)
A. 101
B. 102
C. 103
7. In what language is Kafka mainly written?
A. Java and Scala
B. Python
C. C
D. .Net
8.On consumer rebalance, partition assignment to the Consumer
Group members is executed by which Consumer Group entity? (Choose One)
A. Group Partitioner
B. Group Coordinator
C. Group Controller
D. Group Leader
9.When a consumer is committed on a partition, which of the
following will be advanced? (Choose one)
A. Partition Log Offset
B. Log End Offset
C. High Water Mark
D. Consumerโs Current Offset
10.You want to guarantee messages are produced to Kafka at least once. What would you do to implement this? (choose one)
A. Set acks=ALL
B. Set acks=0
C. Set acks=1
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