Which requirement must the page meet?

You are developing a Microsoft Teams solution to host an existing webpage as a Teams tab.

Which requirement must the page meet?
A . The page must adhere to HTML 5.0 standards
B . The page must adhere to WCAG 2.0 accessibility guidelines
C . The page must be hosted on a domain that is on the validDomains list of the manifest
D . The page must use CSS3 stylesheets

Answer: C

Explanation:

Make sure that all domains used in your tab pages are listed in the manifest.json validDomains array.

Reference: https://docs.microsoft.com/en-us/microsoftteams/platform/tabs/how-to/create-tab-pages/configuration-page