CV0-003 Question #254: Real Exam Question with Answer & Explanation

The correct answer is A: Multifactor authentication. Allowing authentication via third-party social network credentials implements multifactor authentication by combining the cloud service's access with an external identity verification layer provided by the social network.

Security

Question

A company that provides cloud-based storage services allows user authentication using third- party social network credentials. Which of the following should be implemented to accomplish this task?

Options

AMultifactor authentication
BVirtual private network
CFederation
DDomain trusts

Explanation

Allowing authentication via third-party social network credentials implements multifactor authentication by combining the cloud service's access with an external identity verification layer provided by the social network.

Common mistakes.

B. A VPN encrypts network traffic between endpoints but does not provide an identity verification mechanism for authenticating users via external third-party credentials.
C. Federation describes trust relationships between separate organizational identity domains - typically enterprise SAML or ADFS configurations - rather than consumer-facing social network credential authentication.
D. Domain trusts are a Windows Active Directory mechanism for cross-domain authentication within enterprise environments and are not applicable to social network credential integration in cloud storage services.

Concept tested. Multifactor authentication using third-party identity providers

Reference. https://learn.microsoft.com/en-us/entra/identity/authentication/concept-mfa-howitworks

Topics

#federation#OAuth#social login#identity management

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