Correct option is B
When Bluetooth is used between two devices, it forms a Personal Area Network (PAN). This network covers a very short range.
Important Key Points:
1. PAN operates in short range (typically within 10 meters).
2. Used between phones, earbuds, laptops, smartwatches.
3. Bluetooth is the most common PAN technology.
4. PAN is device-to-device communication.
Knowledge Booster:
1. LAN covers buildings or offices.
2. MAN covers a city.
3. WAN covers countries or continents.