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RPSC Prelims 2018Prelims 2018Q. 87 of 150
Q. 871 markMedium
RPSC Prelims 2018·Prelims 2018
Which of the following difference between Bluetooth and wi-fi is correct?
(a)Bluetooth uses 2.4 GHz radio-frequency band, whereas wi-fi can use 2.4 GHz or 5 GHz 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, the devices have to be in line of sight of each other, but with wi-fi the devices need not be in line of sight.
(d)Both statements (Bluetooth uses 2.4 GHz band & Bluetooth is used for WLAN only whereas wi-fi for WWAN only) are correct.