You should avoid deleting the unknown files to store your personal files and folders because if you delete that files it may be critical position with computer.
The answer & explanation for this question is given in the attachment below.
Based on computer analysis, Microsoft labels mac addresses in the windows utilities "<u>by showing the MAC address in the 'Physical Address' field."</u>
<h3>What is MAC Address?</h3>
MAC Address is the acronym for media access control address. A distinct identifier is allocated to a network interface controller (NIC).
MAC address is used as a network address in communications within a network component.
There are two ways to check for a MAC address in the Windows Utilities which is either through Command Prompt or Network Setting.
Hence, in this case, it is concluded that the correct answer is "<u>by showing the MAC address in the 'Physical Address' field."</u>
Learn more about MAC Address here: brainly.com/question/24812654
