CISSP Question #183: Real Exam Question with Answer & Explanation

Question

Which of the following describes the concept of a Single Sign -On (SSO) system?

Options

• AUsers are authenticated to one system at a time.
• BUsers are identified to multiple systems with several credentials.
• CUsers are authenticated to multiple systems with one login.
• DOnly one user is using the system at a time.

Explanation

Single Sign-On (SSO) is a technology that allows users to securely access multiple applications and services using just one set of credentials, such as a username and a password With SSO, users do not have to remember and enter multiple passwords for different applications and services, which can improve their convenience and productivity. SSO also enhances security, as users can use stronger passwords, avoid reusing passwords, and comply with password policies more easily. Moreover, SSO reduces the risk of phishing, credential theft, and password fatigue SSO is based on the concept of federated identity, which means that the identity of a user is shared and trusted across different systems that have established a trust relationship. SSO uses various protocols and standards, such as SAML, OAuth, OIDC, and Kerberos, to enable the exchange of identity information and authentication tokens between the systems

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