Which of the following is an example of an open-source web browser developed by the Mozilla Foundation? MCQ with Answer and Explanation

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Which of the following is an example of an open-source web browser developed by the Mozilla Foundation?

A. Edge

B. Chrome

C. Firefox

D. Safari

Answer: Option C

Solution (By JKSSB Mock Tests)

Firefox is a popular open-source web browser developed and managed by the Mozilla Foundation and its subsidiary.

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Question #1

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Which specific browser technology or feature allows web developers to evaluate and track the precise network transmission speeds and load times of individual page elements natively?

A. Incognito browser window frame

B. Network Panel / Network Tab

C. Standard bookmark navigation panel

D. Local server cache monitoring layout

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Correct Answer: Option B

Explanation:
The Network tab inside browser Developer Tools maps out precise asset timelines, showing status codes, payload sizes, and connection times for every element fetched during a page load.

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Question #2

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What is the primary operational distinction of a 'Web Server' compared to a traditional 'Database Server'?

A. A web server reads incoming email files exclusively via POP3 paths.

B. A web server is purely a physical hardware chip; a database server is software.

C. A web server is responsible for allocating local IP configurations dynamically.

D. A web server processes HTTP requests to deliver web page content; a database server manages structured data tables.

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Correct Answer: Option D

Explanation:
Web servers (like Apache or Nginx) listen for HTTP requests to deliver HTML and web assets to browsers, while database servers (like MySQL or Oracle) store and query raw tabular data collections.

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Question #3

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What is the primary purpose of 'incognito' or 'private browsing' mode available in modern web browsers?

A. To prevent the local device from saving browsing history, cookies, and form data

B. To completely encrypt all outgoing network traffic from the computer

C. To provide absolute anonymity from Internet Service Providers (ISPs)

D. To bypass paid subscription firewalls and access locked web content

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Correct Answer: Option A

Explanation:
Private browsing modes simply ensure that your local session history, cookies, and temporary data are wiped from the device when the window is closed.

This question belongs to: Computer Internet and Web Technologies

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