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350-701 Practice Question: A company deploys Cisco ISE for network access…
A company deploys Cisco ISE for network access control. They want to enforce that only employees with a valid certificate and a compliant posture can access the corporate Wi-Fi. Which policy combination should be used?
⚠ Common exam trap
Cisco often tests the distinction between authentication protocols (EAP-TLS vs. PEAP-MSCHAPv2) and their ability to enforce certificate-based access, leading candidates to mistakenly choose PEAP-MSCHAPv2 (Option B) because it is commonly used with machine certificates, but it does not require a client certificate for user authentication.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Authentication using EAP-TLS and a Posture Enforcement Policy (PEP)
EAP-TLS provides certificate-based mutual authentication, ensuring only employees with a valid certificate can authenticate. The Posture Enforcement Policy (PEP) then checks the endpoint's compliance (e.g., antivirus, patch level) before granting network access. This combination meets the requirement for both certificate validation and posture compliance enforcement on corporate Wi-Fi.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Authorization profile with dACL and a Posture Enforcement Policy (PEP)
Why it's wrong here
Authorization profiles are applied after successful authentication, not for authentication.
- ✗
Authentication using PEAP-MSCHAPv2 and a Posture Enforcement Policy (PEP)
Why it's wrong here
PEAP-MSCHAPv2 uses passwords, not certificates, and PEP is applied after authentication.
- ✓
Authentication using EAP-TLS and a Posture Enforcement Policy (PEP)
Why this is correct
EAP-TLS uses certificates for authentication, and PEP enforces posture compliance.
- ✗
Guest portal with self-registration and a Posture Enforcement Policy (PEP)
Why it's wrong here
Guest portal is for non-employees, not for certificate-based authentication.
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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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-701 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 350-701 exam.