ASSESSMENT - QUESTION AND ANSWERS

INTRODUCTION TO DATA SCIENCE
MULTIPLE CHOICE QUESTIONS – SET 1



Question 1

Which one is equivalent to 1PB (Petabytes)?

a. 100GB
b. 1000GB
c. 1000TB
d. 100TB



Question 2

What type of programming language is R?

a. Complex
b. Easy
c. Interpreted
d. Compiler based



Question 3

________________ is not a part of Data Science:

a. Statistics Skills
b. Computer Science
c. Withhold Data
d. Domain Knowledge



Question 4

What is Data?

a. Information
b. Symbols

,c. Raw Facts and Figures
d. Statistics



Question 5

Use of Big Data is ___________________

a. Increase Cost
b. Normalize Efficiency
c. Hire More Employees
d. Financial Market Analysis



Question 6

Name the Secure environment that is used to Analysis Data.

a. Spreadsheets
b. Data Mart
c. Analytic Sandbox
d. Neural System



Question 7

Define Big Data.

a. Large, Complex and Unprocessed Data
b. Complex Data
c. Large Data
d. Processed Data



Question 8

What is the main role of a Data Scientist?

a. Explore Data
b. Identify Pattern in Data
c. Sort Data
d. Algorithm Development

, Question 9

Which one is not an R Data Type?

a. Integer
b. String
c. Logical
d. Complex



Question 10

What is used by R to offer Data Visualization?

a. Colours
b. 3D Models and Multipanel Charts
c. Lines
d. Boxes



Question 11

What is the Central Storage of Integrated Data?

a. Data Sandbox
b. Data Warehouse
c. Data Center
d. Network



Question 12

If a vector x <- c(3, 5, 7, 5, 3, 2, 6, 8, 5, 6, 9) then what is length(x)?

a. x = 11
b. 9
c. 11
d. 10