What is the function of a VPN in the context of web browsing? MCQ with Answer and Explanation

What is the function of a VPN in the context of web browsing?
A. To provide a secure, encrypted tunnel for internet traffic
B. To block all ads
C. To cache web pages
D. To speed up browsing
Answer: Option A
Solution (By JKExamLibrary)
A VPN (Virtual Private Network) creates a secure, encrypted connection over the internet, protecting privacy and data from interception.

This question belongs to: Computer Internet and Web Technologies

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Question #1 Report Error
What is the difference between HTTP and HTTPS regarding encryption?
A. Both use encryption
B. HTTP uses encryption, HTTPS does not
C. Neither uses encryption
D. HTTPS uses encryption, HTTP does not

Correct Answer: Option D


Explanation:
HTTP transmits data in plain text, while HTTPS encrypts the communication using SSL/TLS, ensuring confidentiality and integrity.

This question belongs to: Computer Internet and Web Technologies
Question #2 Report Error
What type of program code logic runs directly on a remote internet server host machine to calculate custom dashboard outputs before compiling them into standard HTML to return to a browser?
A. Server-side Scripting
B. Client-side Scripting
C. CSS Layout Matrix
D. Browser Extension Core

Correct Answer: Option A


Explanation:
Server-side scripting (using languages like PHP, Python, or Node.js) executes on the hosting server to build dynamic web content before transmitting flat HTML back to the client.

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Question #3 Report Error
Which network term describes the total time latency delay encountered for a data packet block to travel from its source machine host across the internet network to its final target destination?
A. Network Latency / Propagation Delay
B. Modem Frequency index value
C. Cookie Processing lifecycle
D. Channel Bandwidth capacity

Correct Answer: Option A


Explanation:
Latency measures the structural time lag or delay (usually calculated in milliseconds) for a data payload to travel over network links from source to endpoint.

This question belongs to: Computer Internet and Web Technologies