A security administrator is implementing a new remote access system based on the AAA (Authentication, Authorization, and Accounting) security framework. To ensure proper user access, what is the initial process that must be performed?
To manage the distribution of cryptographic keys.
To log the actions of a user within a system for auditing purposes.
To define what actions an authenticated user is allowed to perform within a system.
To verify the identity of a user, system, or entity before granting access to resources.
Authentication is the process of verifying the identity of a user, system, or entity. In a AAA (Authentication, Authorization, and Accounting) framework, authentication establishes the identity of the user before access to resources is granted. It is the first step in the AAA framework and is crucial for ensuring that access to systems and data is granted to the right entities. Authorization, on the other hand, determines what an authenticated user is allowed to do, and Accounting tracks what the user does.
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What does AAA stand for in the context of security?
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Why is authentication considered the first step in the AAA framework?
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How does authentication typically work in practice?