A network administrator is configuring a new security policy. The policy requires that users must be identified with a unique username and password, that access to specific network devices is restricted based on user roles, and that a log is kept of all commands executed by users. Which security framework is needed to meet all these requirements?
AAA (Authentication, Authorization, and Accounting) is the framework that meets all the specified requirements. Authentication verifies the user's identity (e.g., with a username and password). Authorization determines the resources and permissions a user has based on their role. Accounting tracks the actions performed by the user, such as the commands they execute, for auditing purposes. The other options are individual components of the complete AAA framework.
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Cisco CCNA 200-301
Security Fundamentals
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