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What is the primary purpose of using WebSocket on a Raspberry Pi for live updates?

easy🧠 Conceptual Q1 of 15
Raspberry Pi - Web Server and API
What is the primary purpose of using WebSocket on a Raspberry Pi for live updates?
ATo store data locally on the Raspberry Pi
BTo send emails automatically from the Raspberry Pi
CTo enable real-time, two-way communication between the Raspberry Pi and a server
DTo run background scripts without user interaction
Step-by-Step Solution
Solution:

  1. Step 1: Understand WebSocket functionality

    WebSocket allows continuous, two-way communication between devices and servers.

  2. Step 2: Identify the use case on Raspberry Pi

    For live updates, Raspberry Pi needs real-time communication, which WebSocket provides.

  3. Final Answer:

    To enable real-time, two-way communication between the Raspberry Pi and a server -> Option C

  4. Quick Check:

    WebSocket purpose = real-time two-way communication [OK]
Quick Trick: WebSocket = real-time two-way communication [OK]
Common Mistakes:
MISTAKES
  • Confusing WebSocket with email or storage functions
  • Thinking WebSocket only sends data one way
  • Assuming WebSocket runs scripts automatically

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