Scala For Big Data Set 3

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Free Online Best Scala For Big Data MCQ Questions for improve your basic knowledge of Scala For Big Data. This Scala For Big Data set 3 test that contains 25 Multiple Choice Questions with 4 options. You have to select the right answer to a question.

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Question 1

Big data analysis does the following except?

A	Collects data
B	Spreads data
C	Organizes data
D	Analyzes data

Question 2

Which of the following are the IDEs(Integrated Development Environments) for Scala?

A	IntelliJ IDEA
B	VS Code
C	GNU Emacs
D	All of the above

Question 3

The overall percentage of the world’s total data has been created just within the past two years is ?

A	0.8
B	0.85
C	0.9
D	0.95

Question 4

Which of the following are incorrect Big Data Technologies?

A	Apache Hadoop
B	Apache Spark
C	Apache Kafka
D	Apache Pytarch

Question 5

The examination of large amounts of data to see what patterns or other useful information can be found is known as_____

A	Data examination
B	Information analysis
C	Big data analytics
D	Data analysis

Question 6

Which one of the following Programming languages uses both object-oriented programming and functional programming paradigms?

A	Scala
B	Machine language
C	Pascal
D	Ada

Question 7

Which abstraction from functional programming helps us deal with updating complex immutable nested objects?

A	Case classes
B	Lens
C	Extractors
D	All of the above

Question 8

Task, which takes the output from a map as an input and combines those data tuples into a smaller set of tuples____

A	Map
B	Reduce
C	Node
D	Both A and B

Question 9

Transaction data of the bank is?

A	structured data
B	unstructured data
C	Both A and B
D	None of the above

Question 10

Which of the following are Benefits of Big Data Processing?

A	Businesses can utilize outside intelligence while taking decisions
B	Improved custo mer service
C	Better operational efficiency
D	All of the above

Question 11

The MapReduce algorithm contains two important tasks, namely __________.

A	mapped, reduce
B	mapping, Reduction
C	Map, Reduction
D	Map, Reduce

Question 12

All of the following accurately describe Hadoop, EXCEPT ____________

A	Open-source
B	Real-time
C	Java-based
D	Distributed computing approach

Question 13

Which of the following commnd runs a DFS admin client?

A	secondaryadminnode
B	nameadmin
C	dfsadmin
D	adminsck

Question 14

The ___ is a representation of a map of all published Scala libraries.

A	Scala Library Index
B	Scaladex
C	Scala Document
D	both a and b

Question 15

___________ is general-purpose computing model and runtime system for distributed data analytics.

A	Mapreduce
B	Drill
C	Oozie
D	None of the above

Question 16

All of the following accurately describe Hadoop, EXCEPT ____________

A	Open-source
B	Real-time
C	Java-based
D	Distributed computing approach

Question 17

We do not need to pass these parameters to a method when calling it____

A	Named arguments
B	Implicit parameters
C	Default parameters
D	Command-line arguments

Question 18

Which of the following is used to schedules jobs and tracks the assign jobs to Task tracker?

A	SlaveNode
B	MasterNode
C	JobTracker
D	Task Tracker

Question 19

In how many forms BigData could be found?

A	2
B	3
C	4
D	5

Question 20

In how many stages the MapReduce program executes?

A	2
B	3
C	4
D	5

Question 21

How many V's of Big Data

A	2
B	3
C	4
D	5

Question 22

Facebook Tackles Big Data With _______ based on Hadoop.

A	Project Prism
B	Prism
C	Project Big
D	Project Data

Question 23

__________ has the world’s largest Hadoop cluster.

A	Apple
B	Datamatics
C	Facebook
D	None of the above

Question 24

Which of the following is used for an execution of a Mapper or a Reducer on a slice of data?

A	Task
B	Job
C	Mapper
D	PayLoad

Question 25

What are the main components of Big Data?

A	MapReduce
B	HDFS
C	YARN
D	All of the above

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