Which type of web architecture uses a 'Three-Tier' format to divide application logical structures cleanly? MCQ with Answer and Explanation

Question
Which type of web architecture uses a 'Three-Tier' format to divide application logical structures cleanly?
A. Sender inbox, Gateway router, and Recipient junk folder
B. Local router, WAN switch, and Global satellite interface
C. HTML file, CSS style script, and JavaScript dynamic loader
D. Presentation tier (Browser), Application tier (Server logic), and Data tier (Database)
Answer: Option D
Solution (By JKSSB Mock Tests)
A standard three-tier web application architecture separates concerns into the presentation layer (UI), the application logic tier, and the database storage tier.
This question belongs to: Computer Internet and Web Technologies
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Question #1
Which element in a modern web landscape describes an online structural portal that indexes and categorizes multimedia video contents, allowing users to search, watch, and broadcast video streams globally over real-time internet routes?
A. Outbound email transport routing block
B. Local history log dashboard
C. FTP desktop file transfer utility
D. Video Sharing Platform (e.g., YouTube, Vimeo)
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Correct Answer: Option D

Explanation:
Video sharing platforms combine heavy media content storage, cloud transcoding architectures, and globally optimized video delivery networks over the internet.
This question belongs to: Computer Internet and Web Technologies
Question #2
What does a '504 Gateway Timeout' HTTP status code tell a web user?
A. The browser cache folder space has run out of local memory storage.
B. The server, while acting as a gateway or proxy, did not receive a timely response from the upstream backend server to complete the request.
C. The digital SSL identity certificate has completely expired.
D. The user entered an unapproved domain string value inside the search engine interface.
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Correct Answer: Option B

Explanation:
A 504 status code means that an intermediate proxy or gateway server timed out while waiting for a response from an internal upstream server during a request loop.
This question belongs to: Computer Internet and Web Technologies
Question #3
Which of the following parameters represents an accurate description of the web development concept called 'Single Sign-On' (SSO)?
A. An unlinked text documentation archive stored on local devices
B. An authentication mechanism that allows a user to log in once and gain secure access to multiple independent web applications or services without re-entering credentials
C. A physical computer motherboard processing chip specification
D. A specialized local browser link designed to clear cache blocks
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Correct Answer: Option B

Explanation:
SSO authenticates a user once across a centralized identity provider, passing secure tokens to connected web systems to streamline access and eliminate login fatigue.
This question belongs to: Computer Internet and Web Technologies
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