Which of the following is a popular JavaScript library for building user interfaces? MCQ with Answer and Explanation

Which of the following is a popular JavaScript library for building user interfaces?
A. Angular
B. All of the above
C. Vue.js
D. React
Answer: Option B
Solution (By JKSSB Mock Tests)
React, Angular, and Vue.js are all popular JavaScript frameworks/libraries for building front-end user interfaces.

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Practice More Internet and Web Technologies Questions

Question #1
Which of the following parameters indicates an accurate description of the 'Dark Web' ecosystem segment?
A. A local network setup configured inside municipal administrative hubs
B. A subset of the deep web that is intentionally hidden, requiring specific specialized software like Tor to access, often prioritizing encrypted anonymity
C. An unencrypted index list of global email inbox destinations
D. Websites that operate exclusively during nighttime hours globally

Correct Answer: Option B


Explanation:
The Dark Web relies on overlay networks and darknets that require custom software tools (such as Tor) to navigate, providing deep anonymity for both site hosts and visitors.

This question belongs to: Computer Internet and Web Technologies
Question #2
Which of the following is a modern alternative to XML for data interchange, often used in web APIs?
A. YAML
B. JSON
C. CSV
D. HTML

Correct Answer: Option B


Explanation:
JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse, and is widely used in web APIs.

This question belongs to: Computer Internet and Web Technologies
Question #3
Which of the following browser technologies executes dynamic programming code natively on the client's computer to create interactive UI behaviors without continuous server interaction?
A. SQL Client Scripts
B. XML Metadata Templates
C. CSS Layout Core
D. JavaScript

Correct Answer: Option D


Explanation:
JavaScript is the standard client-side scripting language interpreted natively by modern browser engines to implement complex interactive logic on web pages.

This question belongs to: Computer Internet and Web Technologies