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What is the main advantage of using WebSocket on a Raspberry Pi for live updates?

easy🧠 Conceptual Q11 of 15
Raspberry Pi - Web Server and API
What is the main advantage of using WebSocket on a Raspberry Pi for live updates?
AIt keeps a connection open for instant two-way data flow.
BIt sends data only once when the page loads.
CIt requires no network connection to work.
DIt stores data locally on the Raspberry Pi.
Step-by-Step Solution
Solution:

  1. Step 1: Understand WebSocket connection behavior

    WebSocket keeps a connection open between the Raspberry Pi and the web page, allowing data to flow instantly both ways.

  2. Step 2: Compare options with WebSocket features

    Options A, B, and C do not describe WebSocket's live, continuous connection feature.

  3. Final Answer:

    It keeps a connection open for instant two-way data flow. -> Option A

  4. Quick Check:

    WebSocket = open two-way connection [OK]
Quick Trick: Remember: WebSocket keeps connection open for live updates [OK]
Common Mistakes:
MISTAKES
  • Thinking WebSocket sends data only once
  • Confusing WebSocket with HTTP request-response
  • Assuming WebSocket works offline

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