Q: What is Single Sign-on (SSO)?

A A mechanism of digitally "signing" the information exchanged between applications/systems.
B A mechanism which enables using single physical "signature" to do all banking transactions!
C A mechanism that enables a user to sign-in/login/authenticate to an application/system with their credentials only once, and then seamlessly access other applications/systems available in the same domain of trust (e.g. intranet portal of an organization),
D None of the above options.
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Answer: C

Explanation:

Correct option:
A mechanism that enables a user to sign-in/login/authenticate to an application/system with their credentials only once, and then seamlessly access other applications/systems available in the same domain of trust (e.g. intranet portal of an organization).

Explanation:
Single Sign-On (SSO) is a user authentication process that allows a user to access multiple applications or systems with a single set of login credentials (e.g., username and password). After the initial login, the user can seamlessly navigate to other applications or systems within the same trusted domain without needing to re-enter credentials.

Identification, Authentication and Authorization

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