How should an identity architect automate provisioning and deprovisioning of users into Salesforce from an...

To automate provisioning and deprovisioning of users into Salesforce from an external system, the identity architect should run a registration handler on incoming OAuth responses. A registration handler is a class that implements the Auth.RegistrationHandler interface and defines how to create or update users in Salesforce based on the information from an external identity provider. OAuth is a protocol that allows users to authorize an external application to access Salesforce resources on their behalf. By running a registration handler on incoming OAuth responses, theidentity architect can automate user provisioning and deprovisioning based on the OAuth attributes. References: Registration Handler, Authorize Apps with OAuth