Match each remote-management concept to its most accurate description.

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Secure remote management is critical in Cisco networking, and SSH (Secure Shell) is the preferred protocol because it encrypts all transmitted data, preventing eavesdropping and man-in-the-middle attacks. SSH replaces Telnet, which sends data in plaintext, exposing credentials and commands to interception. Cisco devices support SSH for secure CLI access, ensuring confidentiality and integrity during remote administration. AAA (Authentication, Authorization, and Accounting) is a comprehensive framework that governs who can access network devices, what they are allowed to do, and logs their activities for auditing. Cisco IOS implements AAA to enforce security policies, using protocols like RADIUS or TACACS+ for centralized management. Syslog complements AAA by collecting and centralizing event messages from devices, enabling network administrators to monitor system health, detect security incidents, and perform forensic analysis. A common exam trap is confusing Telnet with SSH due to their similar remote access roles. However, Telnet lacks encryption and is deprecated in secure environments. Another pitfall is misunderstanding AAA as a protocol rather than a framework that integrates multiple protocols and policies. Practically, Cisco networks rely on SSH and AAA for secure access control, while Syslog provides the necessary visibility into network events, making these concepts foundational for CCNA security and device management.

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