Drag and drop each EAP method on the left to its matching authentication type on the right.
Drag a concept onto its matching description — or click a concept then click the description.
Certificate-based mutual authentication
Tunneled authentication with MSCHAPv2
Protected Access Credential (PAC) based
Simple password hash (no server certificate)
Generic Token Card (one-time password)
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
EAP-TLS: Certificate-based mutual authentication
EAP-TLS uses certificates, PEAP uses tunneled MSCHAPv2, EAP-FAST uses PAC, EAP-MD5 uses simple password hash.
Quick reference
| 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 350-401 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 350-401 exam.