which three are features of federated Single Sign-on solutions? Choose 3 answers

Universal Containers (UC) wants to use Salesforce for sales orders and a legacy of system for order fulfillment. The legacy system must update the status of orders in 65* Salesforce in real time as they are fulfilled. UC decides to use OAuth for connecting the legacy system to Salesforce. What OAuth flow should be considered that doesn't require storing credentials, client secret or refresh tokens?

An Identity and Access Management (IAM) architect is tasked with unifying multiple B2C Commerce sites and an Experience Cloud community with a single identity. The solution needs to support more than 1,000 logins per minute.
What should the IAM do to fulfill this requirement?

Universal Containers (UC) uses Global Shipping (GS) as one of their shipping vendors. Regional leads of GS need access to UC's Salesforce instance for reporting damage of goods using Cases. The regional leads also need access to dashboards to keep track of regional shipping KPIs. UC internally uses a third-party cloud analytics tool for capacity planning and UC decided to provide access to this tool to a subset of GS employees.
In addition to regional leads, the GS capacity planning team would benefit from access to this tool. To access the analytics tool, UC IT has set up Salesforce as the Identity provider for Internal users and would like to follow the same approach for the GS users as well. What are the most appropriate license types for GS Tregional Leads and the GS Capacity Planners? Choose 2 Answers

Universal Containers wants to allow its customers to log in to its Experience Cloud via a third party authentication provider that supports only the OAuth protocol.
What should an identity architect do to fulfill this requirement?