350-701 Practice Question: Secure Network Access, Visibility and Enforcement
Which THREE are characteristics of Cisco ISE profiler service?
⚠ Common exam trap
Cisco often tests the distinction between the profiler service (attribute discovery) and the posture service (compliance checking), so candidates mistakenly attribute posture functions to the profiler.
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
✓
It can determine the endpoint operating system based on MAC OUI and DHCP fingerprints
Cisco ISE's profiler service uses the MAC OUI (Organizationally Unique Identifier) to identify the hardware vendor, and DHCP fingerprints (specific option ordering in DHCP requests) to determine the exact operating system or device type. This passive profiling technique allows ISE to classify endpoints without requiring any agent installation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
It can determine the endpoint operating system based on MAC OUI and DHCP fingerprints
Why this is correct
Profiling uses these attributes to identify OS.
- ✓
It uses a combination of active and passive probes to identify endpoint attributes
Why this is correct
Probes include DHCP, HTTP, DNS, SNMP, etc.
- ✓
It can provide attributes used in authorization policy conditions
Why this is correct
Profiling results can be used in policy conditions, e.g., 'EndpointOS equals Windows'.
- ✗
It performs posture compliance checking on endpoints
Why it's wrong here
Posture is a separate service in ISE.
- ✗
It requires the installation of an ISE agent on all endpoints
Why it's wrong here
The profiler is agentless.
Visual reference
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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