Data 360 Consultant Data Cloud Overview Practice Question
During the data modeling phase in Data Cloud, a consultant notices that two distinct Data Source Objects need to map to the same Individual Data Model Object, but the primary key formats differ (UUID vs. email hash). How should the consultant resolve this mapping challenge?
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
✓
Map both Data Source Objects to the Individual DMO and assign the respective source primary keys to the Source Id field.
Data Cloud data model mapping allows multiple Data Source Objects to map into a single DMO, provided appropriate primary keys and foreign keys are designated, and Identity Resolution handles merging downstream.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use Calculated Insights to overwrite the primary key values.
Why it's wrong here
Calculated Insights cannot alter core DMO primary key definitions.
- ✗
Create a custom DMO for each source object and merge them using an external ETL tool.
Why it's wrong here
External ETL tools are unnecessary because Data Cloud's data model mapping and Identity Resolution natively handle multiple sources.
- ✓
Map both Data Source Objects to the Individual DMO and assign the respective source primary keys to the Source Id field.
Why this is correct
Mapping multiple sources to the Individual DMO while properly mapping source keys allows Identity Resolution to process them.
- ✗
Transform the keys using an Apex trigger before ingestion.
Why it's wrong here
Data Cloud ingestion does not support custom Apex triggers for data stream pre-processing.
Visual reference
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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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