SERVICENOW-CIS-DISCOVERY CMDB Integration And Maintenance Practice Question
During a Discovery run, a Linux server is identified, but the CMDB record is not updated with the latest memory information. Which log should be inspected to troubleshoot the Identification and Reconciliation engine (IRE) process?
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
✓
System Logs > Identification and Reconciliation Engine Logs
The IRE logs all interactions between Discovery and the CMDB, including validation failures and attribute update denials.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
System Logs > Node Logs
Why it's wrong here
Node logs contain general platform errors, not specific IRE transactions.
- ✗
Discovery > Pattern Logs
Why it's wrong here
Pattern logs show the execution steps of the pattern, but not the final reconciliation result.
- ✗
System Logs > Discovery Logs
Why it's wrong here
Discovery logs capture the probe and sensor execution, not the IRE logic.
- ✓
System Logs > Identification and Reconciliation Engine Logs
Why this is correct
IRE logs are the authoritative source for debugging why an attribute update failed during the CMDB integration phase.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official ServiceNow exam blueprint
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