Data 360 Consultant Identity Resolution Practice Question
An administrator notices that after a scheduled identity resolution ruleset refresh, several unified profiles split into multiple separate profiles even though no match rules were altered. What is the most likely reason for this occurrence?
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
✓
Source records were updated to remove or modify the shared matching attribute values, breaking the linkage.
If records lose their matching attribute values (e.g., an email address is cleared or updated to null in the source system), the bridge connecting them in the Unified Link object is severed, causing profiles to split upon refresh.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Source records were updated to remove or modify the shared matching attribute values, breaking the linkage.
Why this is correct
If source records no longer share matching attribute values upon re-ingestion and refresh, the matching criteria are no longer met, causing profiles to split.
- ✗
The reconciliation rule changed from Source Sequence to Most Recent.
Why it's wrong here
Reconciliation rules govern field survivorship, not whether records link or split.
- ✗
Data Cloud automatically splits profiles every 30 days for data hygiene.
Why it's wrong here
Data Cloud has no automated 30-day profile splitting mechanism.
- ✗
Calculated insights purged the Unified Link Individual table.
Why it's wrong here
Calculated insights do not have permission or capability to truncate system link tables.
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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 Salesforce exam blueprint
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