list administrator may link their Mist login to which type ofsocial account login?

Google Account Integration: Mist administrators can link their Mist login to a Google account. This facilitates easier access and management of Mist services using a single sign-on (SSO) mechanism provided by Google.

Benefits of SSO: Using Google SSO simplifies user management, reduces password fatigue, and enhances security through Google's robust authentication mechanisms.

References:

Juniper Networks Documentation