Which Two Mechanisms Are Used with OAuth 2.0 for Enhanced Validation?

OAuth 2.0 and API Security

Which two mechanisms are used with OAuth 2.0 for enhanced validation? (Choose two.)

authorization Source Reference Answer
custom headers
request management
authentication Source Reference Answer
accounting

Community Votes

100%

100% of anonymous learners picked answer AD. Votes are pick records left by other test-takers — they are not the verified answer.

Community Insight

The exam tests your ability to distinguish OAuth 2.0's core authorization role from the authentication mechanisms used alongside it; the trap is selecting 'request management' because OAuth manages client requests, but 'authentication' is the intended complement for enhanced validation.

Understanding OAuth 2.0's enhanced validation mechanisms is critical for the Cisco 350-401 exam. Based on community consensus, the correct pair is Authorization and Authentication, with OAuth 2.0 serving as an authorization framework often paired with authentication for identity verification.

A common mistake is choosing C (request management) instead of D (authentication), because OAuth 2.0 does manage client requests; however, the question asks what mechanisms are used 'with' OAuth 2.0 for enhanced validation, and authentication is the standard complement, while request management is not a distinct OAuth mechanism.

Community Discussion (7 comments)

cjoyce1980 👍 2 Selected: AD

The two mechanisms used with OAuth 2.0 for enhanced validation are: A. Authorization OAuth 2.0 is primarily an authorization framework that allows applications to request limited access to user resources on behalf of a user. It ensures that the client has the right to perform actions on behalf of the resource owner. D. Authentication Although OAuth 2.0 is not directly an authentication protocol, it is often used in combination with other protocols (like OpenID Connect) to validate the identity of the user in the process of authorizing access. Why other options are incorrect: B. Custom headers: While headers may be part of the OAuth process (e.g., passing tokens in HTTP headers), they are not a core mechanism of OAuth validation itself. C. Request management: OAuth does not manage requests directly; it deals with access tokens and scopes for authorization. E. Accounting: This term is typically related to tracking usage or resource consumption, which is not directly part of OAuth 2.0's validation processes.

chiacche 👍 2 Selected: AD

1. OAuth 2.0 is primarily an authorization framework. 2. OAuth 2.0 is not primarily an authentication protocol (OpenID Connect adds authentication on top of OAuth 2.0)

supershysherlock 👍 2 Selected: AD

Authorization: OAuth 2.0 is primarily used for authorization purposes, allowing applications to access resources on behalf of a user after the user grants permission. Authentication: OAuth 2.0 also involves authentication to verify the identity of the user or application accessing the resources. This ensures the security and integrity of the authorization process.

slacker_at_work 👍 2 Selected: AD

A & D are right, the other options, custom headers (B), request management (C), and accounting (E), are not directly related to OAuth 2.0 mechanisms for enhanced validation. OAuth 2.0 primarily focuses on authorization and relies on external authentication mechanisms.

Mistwalker 👍 2

OAuth 2.0 itself handles Authorization and manages Client Requests, so if you interpret the question to mean, "What mechanisms does OAuth 2.0 provide?", A & C seems correct. However in typically ambiguous Cisco fashion, the question asks which mechanisms are used with OAuth 2.0, and Authentication is very often paired with it. So A & D is just as viable depending on how you interpret the question.

teems5uk 👍 3 Selected: AD

A. Authorization (Correct): OAuth 2.0 is primarily used for authorization, allowing a third-party application to access resources on behalf of the resource owner after the resource owner grants permission. The authorization process is a fundamental part of OAuth 2.0. D. Authentication (Correct): While OAuth 2.0 itself is not an authentication protocol, it is often used in conjunction with authentication mechanisms such as OpenID Connect. OpenID Connect is built on top of OAuth 2.0 and provides authentication capabilities. So, authentication is an important aspect when OAuth is used in certain contexts.

ciscoccie20 👍 1

A & C I Believe OAuth 2.0 is an authorization protocol and NOT an authentication protocol. As such, it is designed primarily as a means of granting access to a set of resources, for example, remote APIs or user data.

Comments & Corrections

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Expert Analysis

Why the Answer Is Correct

OAuth 2.0 is fundamentally an authorization framework: it lets a client obtain limited access to a resource owner's resources after permission is granted. While OAuth 2.0 itself is not an authentication protocol, it is almost always used with authentication to verify the identity of the user or application requesting access. Therefore, the two mechanisms used with OAuth 2.0 for enhanced validation are Authorization (A) and Authentication (D). Commenters note that OAuth 2.0 is "primarily an authorization framework" and that OpenID Connect adds authentication on top of OAuth 2.0, reinforcing AD as the correct pair.

Why the Other Options Are Wrong

B (custom headers) and E (accounting) are unrelated to OAuth 2.0's enhanced validation; custom headers are HTTP-level implementation details, and accounting is a AAA concept from RADIUS/TACACS+, not OAuth. C (request management) is a plausible distractor because OAuth 2.0 does manage authorization requests and client requests, but it is not a distinct validation mechanism paired with OAuth. The community comments explicitly state that custom headers, request management, and accounting are "not directly related to OAuth 2.0 mechanisms for enhanced validation." Thus, only A and D satisfy the phrase "used with OAuth 2.0."

Community Comment Notes

The highest-liked comments (3 likes) explain that OAuth 2.0 is primarily an authorization framework and that it is not primarily an authentication protocol, yet authentication is commonly paired with it. Another comment with 2 likes highlights that OAuth 2.0 itself handles authorization and manages client requests, which causes ambiguity and leads some to choose A and C. However, most votes and the suggested answer favor AD, and the community agrees that B and E are irrelevant. Use these insights to avoid overthinking the wording and remember that Cisco expects the pairing of authorization and authentication in this context.

Official Reference

Exam Strategy

On the 350-401 exam, always read 'used with OAuth 2.0' as hinting that authentication complements OAuth's authorization role. Eliminate AAA terms like accounting and implementation details like custom headers to quickly narrow down to A and D.

Related Analysis

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