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Data Analytics Insight

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

What is Big Data Analytics?

a)

Big Data Analytics is a type of music genre

b)

Big Data Analytics involves analyzing large data sets to extract valuable insights.

c)

Big Data Analytics involves predicting future events based on historical data

d)

Big Data Analytics refers to analyzing small data sets

2.

Name one key benefit of utilizing Big Data Analytics.

a)

Improved decision-making

b)

Limited scalability

c)

Decreased data security

d)

Faster internet speed

3.

Explain the difference between structured and unstructured data.

a)

Structured data is always text-based.

b)

Structured data is organized in a predefined format, while unstructured data lacks a specific format.

c)

Structured data is disorganized and messy.

d)

Unstructured data is always stored in a database.

4.

How does semi-structured data differ from structured data?

a)

Structured data is more flexible than semi-structured data.

b)

Semi-structured data does not fit into a rigid tabular structure like structured data.

c)

Semi-structured data is always perfectly organized.

d)

Semi-structured data is always stored in a database, unlike structured data.

5.

What are the main challenges faced in analyzing Big Data?

a)

Data visualization, data security, data privacy, data accuracy

b)

Data cleaning, data modeling, data visualization, data interpretation

c)

Data storage, data processing, data analysis, data visualization

d)

Data collection, storage, processing, analysis, interpretation

6.

Describe the process of data mining in the context of Big Data Analytics.

a)

Data mining is only applicable to small datasets.

b)

Data mining is a process of creating new data from scratch.

c)

Data mining involves physical extraction of minerals from the ground.

d)

Data mining in Big Data Analytics is the process of extracting valuable patterns and insights from large datasets through steps like data collection, preprocessing, transformation, model building, evaluation, and deployment.

7.

What role does machine learning play in Big Data Analytics?

a)

Machine learning enables algorithms to learn from data, identify patterns, make predictions, and optimize processes in Big Data Analytics.

b)

Machine learning is not relevant to Big Data Analytics

c)

Machine learning cannot handle large datasets in Big Data Analytics

d)

Machine learning only focuses on data storage in Big Data Analytics

8.

How can businesses leverage Big Data Analytics to improve decision-making?

a)

By collecting and analyzing large volumes of data to identify trends, patterns, and insights.

b)

By randomly selecting data points without any analysis

c)

By ignoring data analysis and relying solely on intuition

d)

By outsourcing data analysis to unqualified individuals

9.

What are some popular tools used for Big Data Analytics?

a)

MongoDB

b)

Apache Hadoop, Apache Spark, Apache Flink, Apache Kafka

c)

Apache Hive

d)

TensorFlow

10.

Discuss the importance of data visualization in Big Data Analytics.

a)

Data visualization is important in Big Data Analytics for presenting complex data visually, identifying patterns, trends, and outliers, aiding in decision-making, communication of insights, and enhancing data understanding.

b)

Data visualization is irrelevant in Big Data Analytics

c)

Data visualization does not aid in decision-making

d)

Data visualization only confuses the data analysis process

11.

Explain the concept of predictive analytics in the context of Big Data.

a)

Predictive analytics to analyze large datasets and make predictions about future events or trends.

b)

Predictive analytics involves analyzing small datasets to make predictions about past events

c)

Predictive analytics uses qualitative data exclusively to make future predictions

d)

Predictive analytics in Big Data focuses on descriptive statistics rather than predictive modeling

12.

What is the significance of real-time data processing in Big Data Analytics?

a)

Real-time data processing provides timely insights for immediate decision-making.

b)

Real-time data processing slows down decision-making in Big Data Analytics

c)

Real-time data processing is not relevant in Big Data Analytics

d)

Real-time data processing only provides historical insights

13.

How does Big Data Analytics contribute to business growth and innovation?

a)

Big Data Analytics enables data-driven decision-making, optimization of operations, improved customer experiences, and development of innovative products and services.

b)

Big Data Analytics has no impact on business growth or innovation

c)

Big Data Analytics only leads to confusion and inefficiency in business operations

d)

Big Data Analytics is only useful for small businesses, not large corporations

14.

What ethical considerations should be taken into account when working with Big Data?

a)

Disregard security measures

b)

Consider data privacy, consent, transparency, fairness, accountability, and security.

c)

Use biased algorithms without transparency

d)

Ignore data privacy and consent

15.

Describe a real-world application where Big Data Analytics has made a significant impact.

a)

Agriculture sector

b)

Retail industry

c)

Transportation sector

d)

Healthcare industry

16.

A free, Java-based programming framework that supports the processing of large data sets in a distributed computing environment.

a)

Hadoop

b)

R Programming

c)

Python

d)

Apache Groovy

17.

The branch of data mining concerned with the prediction of future probabilities and trends. 

a)

In-Memory Analytics

b)

Predictive Analytics

c)

Behavioral Analytics

d)

Big Data Analytics

18.

What is the name of the programming framework originally developed by Google that supports the development of applications for processing large data sets in a distributed computing environment?

a)

Hive

b)

Zookeeper

c)

Cassandra

d)

MapReduce

19.

A method of storing data within a system that facilitates the collocation of data in various schemata and structural forms.

a)

Data Visualization

b)

Data Lake

c)

Big Data Management

d)

Deep Analytics

20.

(a)   Analysis is used to analyze a system in terms of its requirements to identify its impact on customers’ satisfaction.