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350-701 Practice Question: In Cisco ISE, profiling is used to identify…
In Cisco ISE, profiling is used to identify device types. Which probe must be enabled for ISE to determine the operating system of a device by analyzing DHCP options?
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
✓
DHCP Probe
DHCP Probe analyzes DHCP packet options (e.g., option 55) to identify the device's OS or vendor class, enabling ISE to profile the device type.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Device Sensor
Why it's wrong here
Device Sensor is a feature on network devices that sends endpoint attributes to ISE but is not a probe that analyzes DHCP packets directly.
- ✓
DHCP Probe
Why this is correct
Correct. DHCP Probe extracts device information from DHCP packets for profiling.
- ✗
HTTP Probe
Why it's wrong here
HTTP Probe analyzes HTTP user-agent strings but not DHCP options.
- ✗
SNMP Probe
Why it's wrong here
SNMP Probe gathers information from SNMP-enabled devices but does not analyze DHCP packets.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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