What mechanism does a web browser implement to store layout stylesheets and image files from visited websites inside device storage to avoid re-downloading them on subsequent visits? MCQ with Answer and Explanation

Question
What mechanism does a web browser implement to store layout stylesheets and image files from visited websites inside device storage to avoid re-downloading them on subsequent visits?
A. Altering localized device hardware MAC address registries
B. Running outbound SMTP mail server delivery routines
C. Static FTP file catalog adjustments
D. Browser Caching
Answer: Option D
Solution (By JKSSB Mock Tests)
Browser caching saves static website assets (like logos, CSS files, and scripts) to the local hard drive, reducing page load times and saving bandwidth during repeat visits.
This question belongs to: Computer Internet and Web Technologies
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Question #1
What is the primary function of an 'Authoritative Name Server' operating within the broader Domain Name System framework?
A. To monitor local physical computer operating temperatures
B. To render visual HTML page documents cleanly inside browsers
C. To provide the definitive, official mapping of a domain name to its corresponding IP address for a DNS query
D. To block junk automated messages from entering incoming email server queues
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Correct Answer: Option C

Explanation:
An authoritative name server holds the actual, verified DNS record configurations for a domain, providing final, definitive IP answers to inquiring DNS resolvers.
This question belongs to: Computer Internet and Web Technologies
Question #2
Which parameter indicates a 'Typosquatting' cyber-squatting exploit design trait?
A. An attacker runs heavy media scripts to overload system RAM pools.
B. An attacker registers a domain name that is a common misspelling of a popular website (e.g., goggle.com) to trick users into visiting a fake site.
C. An attacker deletes historical browser caching indices.
D. An attacker cuts a local copper telephone wire link.
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Correct Answer: Option B

Explanation:
Typosquatting targets internet users who accidentally type a website address incorrectly into their browser URL bar, directing them to lookalike phishing sites.
This question belongs to: Computer Internet and Web Technologies
Question #3
Which standard cryptographic protocol is most commonly used to establish an encrypted and secure link between a web browser and a web server in modern HTTPS implementations?
A. SFTP
B. PPTP
C. SSH
D. TLS
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Correct Answer: Option D

Explanation:
Transport Layer Security (TLS) is the modern cryptographic protocol that has succeeded Secure Sockets Layer (SSL) to secure HTTP communications over HTTPS.
This question belongs to: Computer Internet and Web Technologies
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