Which two Salesforce features should an identity architect use in order to provide username/password authentication for the website?

Northern Trail Outfitters (NTO) has an existing custom business-to-consumer (B2C) website that does NOT support single sign-on standards, such as Security Assertion Markup Language (SAMi) or OAuth. NTO wants to use Salesforce Identity to register and authenticate new customers on the website.

Which two Salesforce features should an identity architect use in order to provide username/password authentication for the website? Choose 2 answers
A . Identity Connect
B. Delegated Authentication
C. Connected Apps
D. Embedded Login

Answer: B,D