Which Salesforce standard license can be given to someone who need access only identity services, such as single sign-on (SSO)?

Which Salesforce standard license can be given to someone who need access only identity services, such as single sign-on (SSO)?
A . Identity Only
B . Lightning Platform
C . SSO License
D . Salesforce License

Answer: A

Explanation:

Identity Only is the Salesforce standard license that can be given to someone who need access only identity services, such as single sign-on (SSO). Lightning Platform, SSO License, and Salesforce License are not valid standard licenses in Salesforce.

Reference: https://help.salesforce.com/s/articleView?id=sf.users_license_types_available.htm&type=5