The answer is a) <span>so you can provide enough time studying. </span>
Explanation:
User Devices. Users of wireless LANs operate a multitude of devices, such as PCs, laptops, and PDAs. ...
Radio NICs. A major part of a wireless LAN includes a radio NIC that operates within the computer device and provides wireless connectivity.
or routers, repeaters, and access points
Probably not
Not a good idea my friend