Authorization vs Authentication in Network Access Control
Which of the following security concepts is accomplished when granting access after an individual has logged into a computer network?
Community Votes
100% of anonymous learners picked answer A. Votes are pick records left by other test-takers — they are not the verified answer.
Community Insight
The core concept tested is the sequence of security controls: Identification claims identity, Authentication verifies it, and Authorization determines permitted actions.
This question tests the distinction between authentication and authorization. The correct answer is Authorization (A), which grants specific access rights after a user has successfully logged in.
Many candidates incorrectly select Authentication (D) because they associate 'logging in' with verification, failing to recognize that the question asks about granting access *after* login.
Community Discussion (4 comments)
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Expert Analysis
Why the Answer Is Correct
Authorization (A) is the process of determining what level of access a user has been granted based on their credentials and role. Once an individual logs into a network (authentication), the system checks if they are allowed to access specific resources or perform certain actions. This step is distinct from verifying who the user is.Why the Other Options Are Wrong
Identification (B) is the act of claiming an identity (e.g., providing a username). Authentication (D) is the verification of that identity (e.g., password check); since the prompt states the individual has already logged in, authentication is complete. Non-repudiation (C) ensures a user cannot deny having performed an action, which is unrelated to initial access granting.Community Comment Notes
Community members generally agree that Authorization follows Authentication. One commenter noted, "Authentication before Authorization. By successfully logging in, you have already authenticated." Another emphasized that Authorization "determines what the user is allowed to do based on their permissions," aligning with the definition of granting access post-login.Exam Strategy
Always distinguish between the act of logging in (Authentication) and the permissions granted upon entry (Authorization). If the scenario mentions checking rights or privileges after identity verification, choose Authorization.
Frequently Asked Questions
Why isn't Authentication the answer if the user just logged in?
Logging in completes Authentication. The question asks about granting access rights after this step, which is the function of Authorization.
What is the difference between Identification and Authentication?
Identification is claiming an identity (username), while Authentication is proving it (password/biometrics). Authorization comes next.
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