Kafka MCQ (Multiple Choice Questions), Kafka Online Quiz

1 .

Who is introduced kafka?

A)

Amazon

B)

Apple

C)

D)

Google

Correct Answer : LinkedIn

Explanation : Kafka was originally developed at LinkedIn, and was subsequently open sourced in early 2011. Jay Kreps, Neha Narkhede and Jun Rao helped co-create Kafka.

2 .

What language is Kafka written in?

A)

C Language

B)

Java

C)

PHP

D)

Python

Correct Answer : Java

Explanation : Kafka written in two coding languages like as Java and Scala.

3 .

When is Kafka's initial release date?

A)

January 2007

B)

January 2009

C)

January 2010

D)

January 2011

Correct Answer : January 2011

4 .

Kafka is comparable to traditional messaging systems such as __________

A)

BigTop

B)

ActiveMQ

C)

Impala

D)

Zookeeper

Correct Answer : ActiveMQ

Explanation : Kafka works well as a replacement for a more traditional message broker.

5 .

What is the traditional method of message transfer?

A)

Queuing

B)

Publish-Subscribe

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Both (A) and (B)

6 .

What are the disadvantages of Apache Kafka?

A)

Issues with Message Tweaking

B)

No Complete Set of Monitoring Tools

C)

Not support wildcard topic selection

D)

All of the above

Correct Answer : All of the above

7 .

Which is the configuration file for setting up ZooKeeper properties in Kafka?

A)

zookeeper.properties

B)

zk.yaml

C)

zookeeper.xml

D)

kafka.zk.properties

Correct Answer : zookeeper.properties

8 .

Which command is used to start Kafka broker?

A)

kafka-broker-start.sh

B)

kafka-producer-start.sh

C)

kafka-server-start.sh

D)

kafka-consumer-start.sh

Correct Answer : kafka-server-start.sh

9 .

What is the maximum size of a message that can be received by the Kafka?

A)

It is approx. 1250000 bytes

B)

It is approx. 1000000 bytes

C)

It is approx. 1456000 bytes

D)

None of the above

Correct Answer : It is approx. 1000000 bytes

10 .

Apache kafka: What could be the maximum possible value of the replication factor of a topic partition in a Kafka cluster consisting of 7 brokers?

A)

2

B)

3

C)

5

D)

7

Correct Answer : 7

11 .

The _____ Api converts input to output and produces results

A)

Producer

B)

Streama

C)

Consumer

D)

Connector

Correct Answer : Streama

12 .

Which server should be started before starting Kafka server?

A)

ZooKeeper server

B)

Kafka Topic

C)

Kafka Producer

D)

Kafka Consumer

Correct Answer : ZooKeeper server

13 .

How many distinct layers are of storm's codebase?

A)

1

B)

2

C)

3

D)

None of the above

Correct Answer : 3

14 .

What are the main APIs of Kafka?

A)

Streams API

B)

Connector API

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Both (A) and (B)

15 .

Which is the command to create a topic in Kafka?

A)

kafka-topics.sh

B)

kafka-cli.sh

C)

kafka-producer.sh

D)

kafka-create-topic.sh

Correct Answer : kafka-topics.sh

16 .

Which command is used in Kafka to add messages to a topic?

A)

Kafka-producer.sh

B)

Kafka-add-message.sh

C)

kafka-create-message.sh

D)

kafka-console-producer.sh

Correct Answer : kafka-console-producer.sh

17 .

Apache Kafka runs a cluster of one or more servers called ______

A)

Producers

B)

Brokers

C)

Consumers

D)

Streamers

Correct Answer : Brokers

18 .

Apache Kafka was named after _________

A)

Tony Kafka

B)

Neha Kafka

C)

Franz kafka

D)

Matt Kafka

Correct Answer : Franz kafka

19 .

To export data from Kafka to S3, which Kafka Connector you need to use________

A)

CDC Connector

B)

Amazon S3 Sink connector

C)

Amazon S3 source connector

D)

Kafka Streams S3 Connector

Correct Answer : CDC Connector

20 .

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

A)

Commit Log

B)

Event sourcing

C)

Stream Processing

D)

None of the above

Correct Answer : Event sourcing

Explanation : Kafka’s support for very large stored log data makes it an excellent backend for an application built in this style.

21 .

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

A)

isr

B)

follower

C)

replicas

D)

leader

Correct Answer : leader

22 .

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

A)

isr

B)

leader

C)

replicas

D)

follower

Correct Answer : isr

Explanation : “isr” is the set of “in-sync” replicas.

23 .

Kafka maintains feeds of messages in categories called_________

A)

Chunks

B)

Domains

C)

Topics

D)

Messages

Correct Answer : Topics

24 .

What is the use Apache Kafka Cluster?

A)

Also, we can transform data into the standard format

B)

Moreover, it allows continuous processing of streaming data to the topics

C)

Through this, we can Alert as well as report the operational metrics

D)

All of the above

Correct Answer : All of the above

25 .

Kafka can be used for which kind of applications?

A)

Building real-time streaming applications that transform or react to the streams of data

B)

Building real-time streaming data pipelines that reliably get data between systems or applications

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Both (A) and (B)

26 .

Which of the following is a feature of Kafka architecture?

A)

Low Overhead and Low Throughput

B)

Low Overhead and High Throughput

C)

High Overhear and Low Throughput

D)

High Overhead and High Throughput

Correct Answer : Low Overhead and High Throughput

27 .

What are use cases of Apache Kafka?

A)

Message queue

B)

Event streams

C)

Tracking and logging

D)

All of the above

Correct Answer : All of the above

28 .

How many brokers will be marked as leaders for a partition?

A)

Zero

B)

One

C)

Four

D)

Five

Correct Answer : One

29 .

Which command is used in Kafka to retrieve messages from a topic?

A)

Kafka-console-consumer.sh

B)

kafka-get-message.sh

C)

kafka-read-message.sh

D)

Kafka-console-producer.sh

Correct Answer : Kafka-console-consumer.sh

30 .

In order to push data from source to Kafka, you need to implement

A)

Kafka API

B)

Kafka Producer

C)

Kafka Connect Sink

D)

Kafka Consumer

Correct Answer : Kafka Connect Sink

31 .

To add a field without default value is a_________Compatibility

A)

Full

B)

Backward

C)

Forward

D)

None of the above

Correct Answer : Forward

32 .

Kafka Connect can be run in these modes_________

A)

Vertical mode

B)

Batch mode

C)

Standalone mode

D)

Distributed Mode

Correct Answer : Distributed Mode

33 .

What is referred to as a broker in Kafka?

A)

Message

B)

Server

C)

Zookeeper

D)

Subscriber

Correct Answer : Server

34 .

What major role does a Kafka Producer API play?

A)

It is used to commit offset

B)

It is responsible for messaging

C)

It helps to communicate between two nodes

D)

It is responsible for covering two producers

Correct Answer : It is responsible for covering two producers

35 .

Queuing is a method of which of these?

A)

Cluster

B)

Zookeeper

C)

Apache Kafka

D)

Traditional message transfer

Correct Answer : Traditional message transfer

36 .

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

A)

Property

B)

RFC

C)

Avro

D)

None of the above

Correct Answer : Property

Explanation : These key values can be supplied either from a file or programmatically.

37 .

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

A)

log.index.enable

B)

log.cleaner.enable

C)

log.retention

D)

log.flush.interval.message

Correct Answer : log.retention

Explanation : log.cleaner.enable is configuration must be set to true for log compaction to run.

38 .

What is the benefits of Apache Kafka over the traditional technique?

A)

Fast

B)

Durable

C)

Scalable

D)

All of the above

Correct Answer : All of the above

39 .

Each kafka partition has one server which acts as the ________

A)

staters

B)

leaders

C)

followers

D)

All of the above

Correct Answer : leaders

40 .

Which components are used for Stream Flow of Data?

A)

Bolt

B)

Spout

C)

Reliable

D)

All of the above

Correct Answer : All of the above

41 .

Which of the following is guaranteed by Kafka?

A)

A consumer instance gets the messages in the same order as they are produced.

B)

A consumer instance is guaranteed to get all the messages produced.

C)

No two consumer instances will get the same message

D)

All consumer instances will get all the messages

Correct Answer : A consumer instance gets the messages in the same order as they are produced.

42 .

Why is Kafka named so?

A)

After a Bohemian novelist and short story writer

B)

Because Kafka is a system optimised for writing

C)

Both (A) and (B)

D)

None of the above reasons

Correct Answer : Both (A) and (B)

43 .

What exactly Kafka key capabilities?

A)

Process streams of records as they occur

B)

Store streams of records in a fault-tolerant durable way

C)

Publish and subscribe to streams of records, similar to a message queue or enterprise messaging system

D)

All of the above

Correct Answer : All of the above

44 .

Kafka only provides a _________ order over messages within a partition

A)

30%

B)

Total

C)

partial

D)

None of the above

Correct Answer : Total