What is the primary objective of using a Content Delivery Network (CDN) in modern web application deployments?
A. To provide local multi-tab browsing interfaces
B. To manage remote email transport queues
C. To store and deliver cached static assets from geographically distributed proxy servers
D. To dynamically change structural HTML text files automatically
Answer: Option C
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.
Which type of web software layout strategy automatically adjusts page spacing, element scaling, and images to look optimal across multiple screen sizes (Desktop, Tablet, Mobile phone)?
Explanation:
Responsive Web Design uses fluid grids, flexible images, and CSS media queries to dynamically adjust the layout based on the user's device screen width.
What mechanism does an online streaming video channel implement over web connections to adjust video quality dynamically on the fly based on fluctuations in a user's real-time internet bandwidth?
A.Static FTP file compression adjustments
B.Adaptive Bitrate Streaming (ABS)
C.Running outbound SMTP mail transport routines
D.Altering local hardware DNS settings dynamically
Explanation:
Adaptive Bitrate Streaming monitors network conditions and device performance in real time, shifting between higher and lower quality video streams to prevent playback buffering.
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