Explore topic-wise MCQs in Hadoop.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Hadoop knowledge and support exam preparation. Choose a topic below to get started.

1.

__________ is the amount of time to keep a log segment before it is deleted.

A. log.cleaner.enable
B. log.retention
C. log.index.enable
D. log.flush.interval.message
Answer» C. log.index.enable
2.

Kafka uses key-value pairs in the ____________ file format for configuration.

A. RFC
B. Avro
C. Property
D. None of the mentioned
Answer» D. None of the mentioned
3.

__________ is the subset of the replicas list that is currently alive and caught up to the leader.

A. replicas
B. leader
C. follower
D. isr
Answer» E.
4.

__________ is the node responsible for all reads and writes for the given partition.

A. replicas
B. leader
C. follower
D. isr
Answer» C. follower
5.

Kafka uses __________ so you need to first start a ZooKeeper server if you don’t already have one.

A. Impala
B. ActiveMQ
C. BigTop
D. Zookeeper
Answer» E.
6.

_______________ is a style of application design where state changes are logged as a time-ordered sequence of records.

A. Event sourcing
B. Commit Log
C. Stream Processing
D. None of the mentioned
Answer» B. Commit Log
7.

Many people use Kafka as a replacement for a ___________ solution.

A. log aggregation
B. compaction
C. collection
D. all of the mentioned
Answer» B. compaction
8.

Kafka is comparable to traditional messaging systems such as _____________

A. Impala
B. ActiveMQ
C. BigTop
D. Zookeeper
Answer» C. BigTop