UPSC Civil Services Prelims 2011
Question 38 of 53Science
What is the difference between Bluetooth and Wi-Fi devices? 1. Bluetooth uses 2.4 GHz radio frequency band, whereas Wi-Fi can use 2.4 GHz or 5 GHz frequency band. 2. Bluetooth is used for wireless local area networks (WLAN) only, whereas Wi-Fi is used for wireless wide area networks (WWAN) only. Which of the statements given above is/are correct?
A1 only
B2 only
CBoth 1 and 2
DNeither 1 nor 2
Correct Answer
The correct answer is hidden
Explanation
35 words hidden ... is not limited to WLAN use, nor is Wi-Fi restricted to WWAN only. Bluetooth is typically used for short-range ... 26 words hidden