Network+ AAA Framework RADIUS and TACACS Plus Quiz

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| Attempts: 11 | Questions: 19 | Updated: Aug 12, 2026
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1. Which protocol uses UDP port 1812 for authentication?

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About This Quiz
Network+ AAA Framework Radius and Tacacs Plus Quiz - Quiz

This quiz evaluates your understanding of the AAA (Authentication, Authorization, and Accounting) framework and its key protocols\u2014RADIUS and TACACS+. You'll test your knowledge of how these protocols secure network access, manage user credentials, and log administrative actions. Essential for Network+ certification and real-world network security roles.

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2. TACACS+ uses which transport protocol?

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3. What is the primary function of the Authentication phase in AAA?

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4. Which AAA phase determines what a user can do on the network?

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5. What does AAA stand for in network security?

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6. What is a key advantage of TACACS+ over RADIUS?

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7. A RADIUS server responds with an Access-Accept message. What does this indicate?

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8. Which of the following are functions of the Accounting phase? (Select all that apply)

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9. In RADIUS, the shared secret is used to encrypt which field?

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10. In AAA, the Accounting phase is primarily responsible for ____.

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11. Which of the following are true about RADIUS? (Select all that apply)

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12. TACACS+ separates AAA functions into ____ distinct exchanges.

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13. Match each AAA protocol characteristic to the correct protocol.

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14. RADIUS is commonly used for which type of network access?

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15. Which protocol is preferred for administrative access to network devices?

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16. RADIUS accounting uses UDP port ____ by default.

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17. Which protocol is stateless by design?

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18. TACACS+ separates authentication, authorization, and accounting into distinct exchanges.

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19. RADIUS encrypts only the password field in the Access-Request message.

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Which protocol uses UDP port 1812 for authentication?
TACACS+ uses which transport protocol?
What is the primary function of the Authentication phase in AAA?
Which AAA phase determines what a user can do on the network?
What does AAA stand for in network security?
What is a key advantage of TACACS+ over RADIUS?
A RADIUS server responds with an Access-Accept message. What does this...
Which of the following are functions of the Accounting phase? (Select...
In RADIUS, the shared secret is used to encrypt which field?
In AAA, the Accounting phase is primarily responsible for ____.
Which of the following are true about RADIUS? (Select all that apply)
TACACS+ separates AAA functions into ____ distinct exchanges.
Match each AAA protocol characteristic to the correct protocol.
RADIUS is commonly used for which type of network access?
Which protocol is preferred for administrative access to network...
RADIUS accounting uses UDP port ____ by default.
Which protocol is stateless by design?
TACACS+ separates authentication, authorization, and accounting into...
RADIUS encrypts only the password field in the Access-Request message.
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