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300-410 Practice Question: Drag and drop the steps to verify and validate…
Drag and drop the steps to verify and validate Device Access Control operational state into the correct order, from first to last.
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Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
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Check AAA server reachability
First, check the AAA server reachability to ensure the backend is accessible. Then verify the active authentication method list applied globally. Next, confirm the authorization method list for exec or commands. After that, validate the accounting configuration to track access. Finally, test the actual access control by attempting a remote login.
Quick reference
AAA Protocol Comparison
| Protocol | Port(s) | Encryption | Transport | Primary Use |
|---|---|---|---|---|
| RADIUS | 1812 / 1813 | Password only | UDP | Network access control |
| TACACS+ | 49 | Full packet | TCP | Device administration |
| Diameter | 3868 | Full session | TCP / SCTP | Carrier / mobile networks |
| 802.1X | — | EAP-based | Layer 2 | Port-based access control |
TACACS+ encrypts the entire packet; RADIUS only encrypts the password field — a key exam distinction.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 300-410 exam.