When browsing a website (https://example.com), the contents displayed on the smartphone and...
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When browsing a website (https://example.com), the contents displayed on the smartphone and the computer are different. Which statement below is not the cause?
Show answer & explanation
Options A, B, and D are all legitimate, intentional technical reasons why a website displays different content on different devices. Option C—tampering via the communication path (man-in-the-middle attack)—is a security breach, not a designed feature and would be illegal. While tampering could theoretically cause different displays, it is not a legitimate cause or design choice for intentional content differences.
Step-by-step Derivation:
Analyze each option as a cause of different content on smartphone vs. computer:
A) JavaScript-based dynamic generation: Browsers execute JS differently based on viewport size, device capabilities, and runtime conditions → Valid cause.
B) User agent detection: Servers check HTTP User-Agent header and serve different HTML/content to mobile vs. desktop clients → Valid cause.
D) Responsive design: CSS media queries adapt layout and visibility based on screen size → Valid cause.
C) Communication path tampering: This refers to intercepting/modifying data in transit (MITM attack). While this could alter content, it is:
- Illegal (unauthorized data modification)
- A security violation, not a design choice
- Not an intentional technical reason for differences
- Not a legitimate answer to 'why would a website show different content'
The question asks for the statement that is NOT a cause. Option C is the only one that is not a legitimate, intentional technical cause of different displays.