SNOW-CAD Integrating and managing application data Practice Question
An organization uses ServiceNow Discovery to populate the CMDB. They notice that some CI relationships are missing after a discovery run. The discovery logs show no errors. What is the most likely cause?
⚠ Common exam trap
Watch out — candidates often assume missing relationships must be caused by a probe or permission issue, overlooking that the CI Class Manager's relationship definitions are a prerequisite for relationship creation, even when discovery runs without errors.
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
✓
The CI Class Manager does not have the correct relationship types defined for the discovered CIs
The CI Class Manager defines which relationship types are valid for each CI class. If the relationship types are not defined or incorrectly configured, Discovery will not create those relationships even if the probes run successfully and no errors are logged. The absence of errors indicates the discovery process completed normally, but the missing relationships are due to missing or incorrect relationship definitions in the CI Class Manager.
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 MID server credentials do not have permission to query relationship data
Why it's wrong here
Credentials affect CI discovery, not relationship mapping.
- ✓
The CI Class Manager does not have the correct relationship types defined for the discovered CIs
Why this is correct
The CI Class Manager defines which relationships are possible between CI classes. If a relationship type is missing, it won't be created.
- ✗
The discovery probes are not configured to capture relationships
Why it's wrong here
Probes discover CIs, but relationships are defined by the CI Class Manager, not probes.
- ✗
The CMDB is set to read-only mode
Why it's wrong here
Read-only mode would prevent all updates, but discovery logs show no errors, implying updates occurred.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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