* Go to the Google Admin console.
* Navigate to "Device Management" > "Chrome Management" > "User & browser settings".
* Find the section for "Managed Guest Session".
* Locate the setting for "Terms of Service".
* Upload your "Terms of Service" document in plain text format.
This will present your Terms of Service to users when they log in as a guest on any managed ChromeOS device.
Why other options are incorrect:
* A. Chrome Verified Access: This is for controlling access to corporate resources, not displaying terms of service.
* C. Wallpaper: Using the wallpaper to display terms of service is not practical or user-friendly.
* D. Custom avatar: The avatar is for user personalization and not related to terms of service.