Question 50

Question

Question 50

BlackTom AI · Accepted Answer

Edge computing means processing data close to where it is generated (at the “edge” of the network) rather than sending all raw data back to a centralized cloud or data center.

Relevant knowledge points:
- Definition: edge computing performs computation at or near data sources (IoT devices, gateways, local servers).
- Goals: reduce latency, decrease bandwidth use, improve reliability and privacy, enable real-time responses.
- Typical use cases: autonomous vehicles, industrial sensors, smart cameras, AR/VR, and local analytics.

Step-by-step reasoning:
1. Match the core idea: option d explicitly states “Processing data close to where it is generated instead of sending everything to a cloud server,” which exactly matches the standard definition of edge computing.
2. Consider benefits implied by option d: local processing reduces round-trip time to cloud (lower latency), sends only summarized/important data (less bandwidth), and keeps sensitive data local (better privacy). These are textbook motivations for edge computing.
3. Evaluate other options by elimination:
   - Option a: “Compressing files at the edge of a network by removing metadata” describes a specific data-compression or sanitization action, not the architectural concept of performing computation near data sources. Compression is a technique, not the definition.
   - Option b: “A mobile design style that places buttons near the border of the screen” refers to user interface/layout design (thumb-friendly UI), unrelated to network or compute architecture.
   - Option c: “Running graphics calculations only near the edge of a screen” misinterprets “edge” as the physical border of a display and narrowly describes graphics rendering, not distributed computation at network edge nodes.

Why the correct answer is correct:
Option d captures both the location (“close to where it is generated”) and the purpose (avoiding sending everything to a cloud server), matching the established definition and motivations for edge computing.

Conclusion: The correct answer is d. Processing data close to where it is generated instead of sending everything to a cloud server.

Question 50单项选择题

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