SNOW-CSA Database Administration and CMDB Practice Question
Exhibit
Refer to the exhibit.
{
"identifier": "business_application",
"rules": [
{ "field": "name", "operator": "equals" },
{ "field": "business_service", "operator": "equals" }
],
"action": "create_or_reconcile"
}Given the IRE identification rule shown, what will happen when a Discovery probe sends a CI with a name that already exists in the CMDB but with a different business_service?
⚠ Common exam trap
Many exam-takers assume the 'name' field is a unique identifier across all attributes, but ServiceNow's IRE treats each identification rule independently, and a different non-key attribute like business_service forces a new CI creation, not an update or failure.
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
✓
A new CI will be created because the business_service is different.
The IRE identification rule includes both 'name' and 'business_service' as identifying attributes. When a Discovery probe sends a CI with a name that already exists but a different business_service, the IRE does not find an exact match on all identifying attributes. Therefore, it creates a new CI with the same name but a different business_service, rather than updating the existing one.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The discovery will fail and not create or update any CI.
Why it's wrong here
Discovery itself does not fail; IRE handles the decision.
- ✗
The existing CI will be updated with the new business_service.
Why it's wrong here
Without a match, no update occurs.
- ✓
A new CI will be created because the business_service is different.
Why this is correct
Since the combination of name and business_service does not match, IRE creates a new CI.
- ✗
The identification rule will match based on name only, ignoring business_service.
Why it's wrong here
The rule explicitly includes business_service; it is not ignored.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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