Which specific browser feature or utility allows web developers to test mobile responsive web configurations by mimicking different smartphone screen aspect ratios natively within the desktop display window? MCQ with Answer and Explanation

Question

Which specific browser feature or utility allows web developers to test mobile responsive web configurations by mimicking different smartphone screen aspect ratios natively within the desktop display window?

A. Incognito browser window frame

B. Standard bookmark navigation manager

C. Local server cache monitoring index

D. Device Mode / Responsive Design View

Answer: Option D

Solution (By JKSSB Mock Tests)

Responsive Design View inside browser DevTools lets developers simulate various device viewports, touch interactions, and network throttling states directly on their desktop monitors.

This question belongs to: Computer Internet and Web Technologies

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Question #1

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What is the purpose of the 'noscript' tag in HTML?

A. To hide elements

B. To provide alternative content for browsers that do not support JavaScript

C. To embed server-side code

D. To disable scripts

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Correct Answer: Option B

Explanation:
The tag defines content to be displayed if the user's browser does not support or has disabled JavaScript.

This question belongs to: Computer Internet and Web Technologies

Question #2

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Which of the following parameters represents an accurate description of the web development concept called 'OAuth'?

A. A physical computer processing core chip standard

B. A specialized local browser button designed to clear cache history

C. An unlinked text configuration archive stored on local devices

D. An open-standard authorization framework that allows third-party applications to grant limited, secure access to user account resources without exposing user passwords

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Correct Answer: Option D

Explanation:
OAuth enables secure token-based authorization, allowing applications (like a mobile game) to access user profile data from a provider (like Google) without requiring their raw login password.

This question belongs to: Computer Internet and Web Technologies