General Studies I
What’ is the difference between Bluetooth and Wi-Fi devices?
|A||Bluetooth uses 2.4GHz radio frequency band, whereas Wi-Fi can use 2.4 GHz or 5GHz frequency band|
|B||Bluetooth is used for Wireless Local Area Networks ,(WLAN) only, whereas Wi-Fi is used for Wireless Wide Area Networks (WWAN) only|
|C||When information is transmitted between two devices using Bluetooth technology, the devices have to be in the line of sight of each other, but when Wi-Fi technology is used the devices need not be in the line of sight of each other|
|D||The statements A.and B. given above are correct in this context|