What is the primary objective of using a Content Delivery Network (CDN) in modern web application deployments? MCQ with Answer and Explanation

Question
What is the primary objective of using a Content Delivery Network (CDN) in modern web application deployments?
A. To manage remote email transport queues
B. To provide local multi-tab browsing interfaces
C. To dynamically change structural HTML text files automatically
D. To store and deliver cached static assets from geographically distributed proxy servers
Answer: Option D
Solution (By JKSSB Mock Tests)
CDNs place cached static assets (images, video, CSS) on a distributed network of edge servers near user locations to significantly accelerate page performance.
This question belongs to: Computer Internet and Web Technologies
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Question #1
What is the default port number for HTTP?
A. 21
B. 25
C. 80
D. 443
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Correct Answer: Option C

Explanation:
Port 80 is the default port for HTTP communication. Port 443 is for HTTPS, port 21 for FTP, and port 25 for SMTP.
This question belongs to: Computer Internet and Web Technologies
Question #2
What does the term 'bandwidth' refer to in web hosting?
A. The amount of data that can be transferred per unit of time
B. The processing power of the server
C. The storage space on the server
D. The number of visitors to the site
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Correct Answer: Option A

Explanation:
Bandwidth refers to the maximum amount of data transmitted over a network connection in a given time, often measured in Mbps or GB/month.
This question belongs to: Computer Internet and Web Technologies
Question #3
Which of the following bodies manages the allocation of IP addresses, domain name management, and protocol identifiers globally?
A. W3C
B. IETF
C. ICANN
D. IEEE
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Correct Answer: Option C

Explanation:
ICANN (Internet Corporation for Assigned Names and Numbers) coordinates the global internet's systems of unique identifiers, including IP addresses and the Domain Name System.
This question belongs to: Computer Internet and Web Technologies
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