This type of connection uses radio waves to connect devices on a network. a) datab) ethernetc) routerd) wifi

The answer is "Option D".

Explanation:

Wi-Fi is a wireless communication protocol, that uses radio waves to link computer equipment to wireless Internet networks. It isn't the network actually, but a broadband net connection. It also allows access to the local system of smart devices so, you can print photos without needing to be wired to them manually or view a live feed of Wi-Fi enabled devices, and other choices are not right, which can be described as follows:

the answer is gallery.