Which of the following is a valid top-level domain (TLD)? MCQ with Answer and Explanation

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Which of the following is a valid top-level domain (TLD)?

A. .www

B. .html

C. .http

D. .com

Answer: Option D

Solution (By JKSSB Mock Tests)

.com is a generic top-level domain (gTLD) used for commercial purposes. .html, .http, .www are not valid TLDs.

This question belongs to: Computer Internet and Web Technologies

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Which of the following is a modern web browser based on Chromium?

A. Edge

B. Chrome

C. All of the above

D. Brave

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Correct Answer: Option C

Explanation:
Chrome, Edge, and Brave are all Chromium-based browsers, sharing the same underlying engine.

This question belongs to: Computer Internet and Web Technologies

Question #2

Which of the following is used to encrypt data transmitted over HTTPS?

A. IPSec

B. SSH

C. WPA

D. SSL/TLS

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Correct Answer: Option D

Explanation:
HTTPS uses SSL (Secure Sockets Layer) or its successor TLS (Transport Layer Security) to encrypt data between the client and server.

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Question #3

Which of the following is a widely used web framework for building RESTful APIs?

A. Express.js

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C. All of the above

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Correct Answer: Option C

Explanation:
Express.js (Node.js), Django (Python), and Ruby on Rails are all popular frameworks capable of building RESTful APIs.

This question belongs to: Computer Internet and Web Technologies

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