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 technical reasons why a website displays differently on smartphones versus computers. Option C refers to data tampering during transmission (a security breach), which would not be a designed cause of intentional content variation—it would be a malicious attack. Legitimate responsive web design uses CSS, JavaScript, and user-agent detection to adapt content purposefully, not tampering.
Step-by-step Derivation:
Evaluate each option as a known web development technique:
- A) JavaScript dynamic generation: Valid. JavaScript can detect device type and render different content client-side. ✓
- B) User agent detection: Valid. Servers detect 'User-Agent' headers and serve different HTML/CSS based on device type. ✓
- D) Responsive design: Valid. CSS media queries and flexible layouts automatically adapt layouts for different screen sizes. ✓
- C) Tampering during transmission: Invalid as an intentional design cause. While MITM attacks could theoretically alter content, this is a security issue, not a deliberate reason for content variation. The question asks for the cause of intentional display differences, not security breaches.
The correct answer is C because it is NOT a legitimate design technique but rather a security threat.