Objective 4.6 on SY0-701 mentions LDAP, OAuth, and SAML as single sign-on standards. The exam rarely tests your ability to define them. Instead, it presents a login scenario, an app integration, or a partner portal, and asks which standard fits. The wrong answers are typically the other names from that same group. Understanding what each acronym is used for is more important than knowing its definition.
One question per protocol
Each of these systems was created to solve a distinct problem, and that's the main idea.
SAML addresses "who is this person, and can I trust the company that says so?" An identity provider signs the user in and then presents the app with a signed XML message known as an assertion. The application relies on the signature rather than seeing the password.…