What is the role of a cache in a web browser? MCQ with Answer and Explanation

What is the role of a cache in a web browser?
A. To manage bookmarks
B. To store passwords
C. To store copies of web resources to reduce load times
D. To run JavaScript
Answer: Option C
Solution (By JKSSB Mock Tests)
Browser cache stores static resources (images, CSS, JS) locally so that subsequent visits to the same page load faster.

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Practice More Internet and Web Technologies Questions

Question #1
Which of the following is a method to improve website loading speed?
A. Browser caching
B. Minification of CSS and JavaScript
C. Using a CDN
D. All of the above

Correct Answer: Option D


Explanation:
Minification reduces file sizes, CDNs distribute content, and browser caching stores resources locally, all of which improve loading speed.

This question belongs to: Computer Internet and Web Technologies
Question #2
Which file is placed on a website's server to give instructions to search engine web crawlers about which paths and directories should not be scanned or indexed?
A. sitemap.xml
B. robots.txt
C. index.html
D. htaccess

Correct Answer: Option B


Explanation:
The robots.txt file is a standard text file used by websites to guide web robots and crawlers regarding which parts of the site they are allowed to index.

This question belongs to: Computer Internet and Web Technologies
Question #3
Which of the following is an accurate description of an 'Extranet' system?
A. An experimental protocol created to replace HTTP
B. A controlled private network allowing limited access to authorized external partners or vendors
C. An unencrypted wireless standard for high-bandwidth networks
D. The deep web layer accessible strictly via dark net software configurations

Correct Answer: Option B


Explanation:
An extranet extends a private intranet to trusted external partners, suppliers, or clients, allowing secure external collaboration over the web.

This question belongs to: Computer Internet and Web Technologies