Single Sign-On (SSO) allows users to authenticate once (e.g., via a corporate identity provider) and access Tableau Server without re-entering credentials. Tableau Server supports several SSO methods:
OpenID Connect (OIDC): An OAuth 2.0-based protocol for SSO, configured via Tableau’s SAML settings with an OIDC-compatible IdP (e.g., Google, Okta).
Kerberos with Active Directory: A ticket-based SSO protocol, widely used in Windows environments with AD integration.
SAML: A flexible SSO standard using XML assertions, supporting various IdPs (e.g., ADFS, PingFederate).
Let’s evaluate:
Option A (OpenID Connect): Correct. OIDC is an SSO method, implemented as a SAML variant in Tableau Server, enabling seamless login.
Option C (Kerberos with Active Directory): Correct. Kerberos provides SSO in AD environments, delegating authentication to the domain controller.
Option D (Security Assertion Markup Language - SAML): Correct. SAML is a core SSO method in Tableau, widely adopted for enterprise integrations.
Option B (Local Authentication): Incorrect. Local Authentication uses Tableau’s internal user database, requiring manual credential entry—no SSO support.
Why This Matters: SSO enhances user experience and security by leveraging existing identity systems, reducing password fatigue.
[Reference: Tableau Server Documentation - "Authentication" (https://help.tableau.com/current/server/en-us/auth_overview.htm)., ]
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