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CAS-003 · Question #856

A newly hired employee is trying to complete online training. When the employee logs on to the third-party service for training using known-good credentials through a SAML-based mechanism, an error…

The correct answer is D. The user agent string is not listing the correct information. WARNING: The stated correct answer (D) appears to be incorrect for this scenario. In a SAML-based SSO flow, the Identity Provider (IdP) authenticates the user and issues a signed SAML assertion to the Service Provider (SP). When a newly hired employee encounters an…

Technical Integration of Enterprise Security

Question

A newly hired employee is trying to complete online training. When the employee logs on to the third-party service for training using known-good credentials through a SAML-based mechanism, an error message appears regarding the account. Which of the following is MOST likely occurring?

Options

  • AThe third-party service does not support special characters in passwords.
  • BThe new employee's user account is not listed properly by the IdP.
  • CThe service provider is not verifying the user account exists in the directory.
  • DThe user agent string is not listing the correct information.

How the community answered

(15 responses)
  • B
    13% (2)
  • C
    7% (1)
  • D
    80% (12)

Explanation

WARNING: The stated correct answer (D) appears to be incorrect for this scenario. In a SAML-based SSO flow, the Identity Provider (IdP) authenticates the user and issues a signed SAML assertion to the Service Provider (SP). When a newly hired employee encounters an account-related error - even with known-good credentials - the most likely cause is that the employee's account is not yet properly provisioned or configured in the IdP (Answer B). SAML does not transmit passwords to the SP; it transmits assertions about the user. If the IdP has the account misconfigured (wrong attributes, missing group membership, incorrect NameID format), the SP will reject the assertion with an account-level error. Answer D (user agent string) is a browser HTTP header unrelated to account provisioning and would more typically manifest as redirect failures or browser compatibility errors, not account errors. Answer C is also wrong because in SAML the SP deliberately trusts the IdP's assertion and is not expected to independently verify the user against a directory.

Topics

#SAML#identity federation#SSO#IdP troubleshooting

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