Explanation:

The mode that is used for installing networks in the wireless communication device is fixed and wired.

• A wireless network refers to a network that uses wireless data connections between nodes of networks.
• A Fixed mode refers to the configuration mode in which specific network setup is discovered on a system.
• A wired mode refers to the transmission of data over a wire-based technology.
• There are various wireless devices like mobiles, cordless telephones, Wi-Fi, satellite television, etc.

Hence option 3rd is correct.