Universal containers(UC) has decided to build a new, highly sensitive application on Force.com platform. The security team at UC has decided that they want users to provide a fingerprint in addition to username/Password to authenticate to this application. How can an architect support fingerprints as a form of identification for salesforce Authentication?

Universal Containers (UC) is successfully using Delegated Authentication for their Salesforce users. The service supporting Delegated Authentication is written in Java. UC has a new CIO that is requiring all company web services be REST-ful and written in .Net.
Which two considerations should the UC Architect provide to the new CIO? (Choose two.)

Sales users at Universal containers use salesforce for Opportunity management. Marketing uses a third-party application called Nest for Lead nurturing that is accessed using username/password. The VP of sales wants to open up access to nest for all sales uses to provide them access to lead history and would like SSO for better adoption. Salesforce is already setup for SSO and uses Delegated Authentication. Nest can accept username/Password or SAML-based Authentication. IT teams have received multiple password-related issues for nest and have decided to set up SSO access for Nest for Marketing users as well. The CIO does not want to invest in a new IDP solution and is considering using Salesforce for this purpose. Which are appropriate license type choices for sales and marketing users, giving salesforce is using Delegated Authentication?
Choose 2 answers

Under which scenario Web Server flow will be used?

Universal Containers (UC) uses middleware to integrate multiple systems with Salesforce. UC has a strict, new requirement that usernames and passwords cannot be stored in any UC system. How can UC's middleware authenticate to Salesforce while adhering to this requirement?