Data 1

Question 1

What does JSON stand for?

Answer 1

Java Script Object Notation

Question 2

Which of the following is a main characteristic of XML?

Answer 2

Human-readable and machine-readable

Question 3

XML is primarily used for?

Answer 3

Representing data in a hierarchical format

Question 4

In XML, what does the acronym “DTD” stand for?

Answer 4

Document Type Definition

Question 5

In JSON, how are key-value pairs typically structured?

Answer 5

Separated by commas

Question 6

How are data types represented in JSON and XML, respectively?

Answer 6

JSON has native support for arrays and objects, while XML relies on specialized structures

Question 7

Which data interchange format is commonly used for web APIs (Application Programming Interfaces)?

Answer 7

JSON

Question 8

Both JSON and XML do not support namespaces?

Answer 8

Both JSON and XML do not support namespaces

Question 9

Which punctuation is used to define a JSON object?

Answer 9

Curly braces { }

Question 10

In JSON syntax, what is the purpose of square brackets [ ]?

Answer 10

Define an array of values

Question 11

Which of the options below is a valid JSON data type?

Answer 11

Date

Question 12

How is a string represented in JSON?

Answer 12

Enclosed in doube quotes (“ “)

Question 13

In the JSON data type, what is used to represent a boolean value?

Answer 13

True/False

Question 14

What is the main objective of data science?

Answer 14

Extracting insights and knowledge from data

Question 15

Which of the options below is one of the main steps in the data science process?

Answer 15

Collecting and cleaning data