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Bluetooth_WebSocket_IoT.md

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Swift Bluetooth Websocket IOT Interview Questions (Beginner to Advanced)

Beginner Level

  1. What is Bluetooth Low Energy (BLE)?
    Answer coming soon...

  2. What is CoreBluetooth framework in iOS?
    Answer coming soon...

  3. How do you scan for nearby Bluetooth devices using CoreBluetooth?
    Answer coming soon...

  4. What are central and peripheral roles in CoreBluetooth?
    Answer coming soon...

  5. How do you establish a connection with a BLE device?
    Answer coming soon...

  6. How do you retrieve available Bluetooth services on a device?
    Answer coming soon...

  7. How do you read characteristic values from a BLE device?
    Answer coming soon...

  8. What is GATT in Bluetooth?
    Answer coming soon...

  9. How do you enable notifications for a BLE characteristic?
    Answer coming soon...

  10. How do you handle Bluetooth permission prompts in iOS?
    Answer coming soon...

Intermediate Level

  1. How do you write data to a Bluetooth characteristic in iOS?
    Answer coming soon...

  2. What is a Bluetooth characteristic UUID, and how is it used?
    Answer coming soon...

  3. How do you monitor the connection state of a Bluetooth peripheral?
    Answer coming soon...

  4. How do you handle Bluetooth background mode in iOS?
    Answer coming soon...

  5. What is MTU in Bluetooth, and how does it affect data transfer?
    Answer coming soon...

  6. How do you implement a reconnect logic for Bluetooth devices?
    Answer coming soon...

  7. How do you handle multiple BLE connections at the same time?
    Answer coming soon...

  8. How do you pair a BLE device programmatically in iOS?
    Answer coming soon...

  9. How do you use CBCentralManager and CBPeripheral delegates?
    Answer coming soon...

  10. What is the difference between BLE and classic Bluetooth?
    Answer coming soon...

Advanced Level

  1. How do you implement custom BLE protocols for data communication?
    Answer coming soon...

  2. How do you handle long-running Bluetooth tasks in the background?
    Answer coming soon...

  3. How do you manage BLE device security and encryption in iOS?
    Answer coming soon...

  4. How do you implement over-the-air (OTA) firmware updates using BLE?
    Answer coming soon...

  5. How do you handle BLE device scanning for low-power mode?
    Answer coming soon...

  6. How do you optimize BLE connection intervals and data transfer rates?
    Answer coming soon...

  7. How do you parse and interpret manufacturer-specific BLE data?
    Answer coming soon...

  8. How do you implement custom BLE services and characteristics?
    Answer coming soon...

  9. How do you handle BLE communication failures and retries?
    Answer coming soon...

  10. How do you handle proximity-based interactions using BLE beacons?
    Answer coming soon...