Cisco Certified Network Professional Practice Test 2025 – Your All-in-One Guide to Exam Success!

In network security, AAA stands for Authentication, Authorization, and Accounting. This framework is essential for managing user access and ensuring that resources are used in a secure and controlled manner.

Authentication is the process that verifies the identity of a user or device, ensuring that they are who they claim to be. This could involve passwords, biometrics, or tokens, among other methods.

Authorization follows authentication and determines what an authenticated user is allowed to do. It controls access to resources based on the permissions assigned to a user or group, defining what operations they can perform.

Accounting is the tracking of user activities, which involves keeping records of what actions users have performed in the system. This can involve logging access times, data usage, and changes made, which is vital for auditing and compliance.

The other options do not accurately reflect the correct terms associated with the AAA model. Access and acknowledgment, for example, are not aligned with standard AAA terminology, which specifically uses the terms Authentication, Authorization, and Accounting to describe the essential components of network security management.