Salesforce Exam Identity-and-Access-Management-designer Topic 2 Question 12 Discussion

Universal Containers (UC) is building a custom Innovation platform on their Salesforce instance. The Innovation platform will be written completely in Apex and Visualforce and will use custom objects to store the Dat

a. UC would like all users to be able to access the system without having to log in with Salesforce credentials. UC will utilize a third-party idp using SAML SSO. What is the optimal Salesforce licence type for all of the UC employees?