350-701 Practice Question: Secure Network Access, Visibility and Enforcement
A network administrator wants to centrally manage and enforce access policies for wired and wireless users. Which Cisco product provides this functionality?
⚠ Common exam trap
Cisco often tests the distinction between management/monitoring tools (Prime Infrastructure) and policy enforcement engines (ISE), leading candidates to confuse Prime's visibility features with ISE's centralized policy control.
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
✓
Cisco Identity Services Engine (ISE)
Cisco Identity Services Engine (ISE) is the correct answer because it provides centralized policy management for both wired and wireless users through a unified, context-aware platform. ISE uses 802.1X, MAC Authentication Bypass (MAB), and posture assessment to enforce access policies based on user identity, device type, and location, integrating with network devices via RADIUS (RFC 2865) and TACACS+ for authentication, authorization, and accounting (AAA).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Cisco Identity Services Engine (ISE)
Why this is correct
Central policy engine for network access.
- ✗
Cisco Prime Infrastructure
Why it's wrong here
Network management tool, not policy enforcement.
- ✗
Cisco Adaptive Security Appliance (ASA)
Why it's wrong here
Primarily a firewall.
- ✗
Cisco Wireless LAN Controller (WLC)
Why it's wrong here
Manages wireless only.
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
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