Which of the following statements about edge computing is not true?

Question

BlackTom AI · Accepted Answer

Edge computing places compute, storage, and analytics resources physically closer to data sources (sensors, user devices, local servers), which reduces network round-trip time and the volume of data sent to centralized cloud data centers.

1. Relevant knowledge points and concepts
- Latency: time delay between a request and response; lowering physical and network distance reduces latency.  
- Bandwidth and data flow: processing at the edge filters/aggregates data, decreasing upstream bandwidth demand.  
- Cloud optimization: edge is an architectural approach that complements and optimizes cloud systems by offloading local tasks.  
- Application domains: latency-sensitive and bandwidth-heavy applications (online gaming, IoT/smart cities) benefit from edge resources.

2. Step-by-step reasoning applied to each option
- Option A: "Edge computing is helpful for online gaming services firms." True — online gaming requires low latency and local processing to improve responsiveness and user experience.  
- Option B: "Edge computing reduces the amount of data flowing between local computers and devices and the central cloud data center." True — preprocessing, filtering, and aggregation at the edge mean less raw data needs to be transmitted upstream.  
- Option C: "Edge computing is a method of optimizing cloud computing systems." True — it complements cloud architectures by offloading latency-sensitive or bandwidth-heavy tasks, improving overall system performance.  
- Option D: "Edge computing is a key technology for smart cities." True — smart cities use local analytics for traffic control, surveillance, and sensors where low latency and local decision-making are critical.  
- Option E: "Edge computing increases delays in the transmitting and processing of data." This contradicts the core purpose: moving compute closer generally decreases transmission delay and speeds processing. While poorly implemented edge setups could introduce overhead, the blanket statement that edge computing increases delays is false.

3. Why the correct answer is correct
Because edge computing is explicitly designed to reduce latency and network traffic, the statement that it increases delays is incorrect.

4. Why other options are incorrect (brief)
Options A–D accurately describe common benefits or uses of edge computing and therefore are true.

Conclusion: The incorrect statement (the answer) is "Edge computing increases delays in the transmitting and processing of data." This matches the provided correct answer.

Which of the following statements about edge computing is not true? 单项选择题

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