An IT suspects that an unauthorized device is connected to a wireless network. This is a result of pastry sharing on a device brought from home. What is put in place to stop such activity. 1- Media Access Control Filtering

2- Channel Overlap

3-WiFi Protected Access 2

4- collision Domain

3. WiFi Protected Access 2

Explanation:

Given that Wi-Fi Protected Access 2 often referred to as WAP 2 is a form of computer security or privacy measure to ensure that Wireless networks are furnished with powerful security of data network access control.

Hence, when a user employed or utilize WPA2. It gives such a user a high degree of maximum certainty of controlling the users that can have access to his wireless network.

Hence, in this case, what is put in place to stop such activity is Wi-Fi Protected Access 2