Data Modeling, Identity Resolution & Segmentation25% of the exam
Data streams, DLOs and DMO mapping
How customer data moves from a data stream into data lake objects and data model objects, which mappings a custom stream must have, what Simple Start leaves for you to do, and how to check each stage of the pipeline.
Describe data object concepts in Data 360 and how they are used to connect, harmonize, unify, and activate customer data for audience segmentation and content personalization.
~8 min read · 8 practice questions ·
What the exam expects
- Trace customer data through connect, harmonize, unify and activate, and name the object at each stage.
- Decide what a custom data stream must map for identity resolution, segmentation and activation.
- Pick the right key and object for a person's ID, contact details and third-party identifiers.
- Explain what Simple Start creates and the one step it leaves to you.
- Say which Data 360 tabs the Marketing app shows by default and where the others live.
- Troubleshoot a pipeline by validating that data reached each object.
Key terms. Data stream: the connection that ingests source data. DLO (data lake object): the container for ingested data. DMO (data model object): a harmonized grouping that DLOs map to. Party: the attribute on other objects that references Individual.Id. Hydration: here, whether records and key field values actually reached an object.
Key facts
Segmentation and activation
- Detail
- Use only mapped fields and objects with relationships
Automatic mappings
- Detail
- Only for streams deployed through standard data bundles
Party attribute
- Detail
- Foreign key to Individual.Id on contact point and Party Identification objects
Contact Point Digital Id
- Detail
- Optional for email or phone destinations
DLO fields
- Detail
- Can't be deleted
Stream category
- Detail
- Can't be changed after the stream is saved
Simple Start metadata sync
- Detail
- Available only for accounts and contact objects
Activating Simple Start streams
- Detail
- Data Cloud Architect permission set
DLO refresh history
- Detail
- Kept for up to 20 days, in hourly windows
Data Explorer display
- Detail
- Maximum 100 rows per view
Sources for this section (8)
- Data Mappinghelp.salesforce.com (opens in a new tab)
- Data Mapping Requirementshelp.salesforce.com (opens in a new tab)
- Data Objectshelp.salesforce.com (opens in a new tab)
- Categoryhelp.salesforce.com (opens in a new tab)
- Simple Starthelp.salesforce.com (opens in a new tab)
- Activate Data Stream Synchelp.salesforce.com (opens in a new tab)
- Refresh Historyhelp.salesforce.com (opens in a new tab)
- Data Explorerhelp.salesforce.com (opens in a new tab)
- Why might an admin be unable to add a field to a DLO from the Data Lake Objects tab?
- When would a date in Data Explorer show as 01/01/1901?
- Why might SOQL copied from Data Explorer return fewer columns than the table has?
- Which DLOs show record-level refresh statistics?
The questions are free to read. Answers with their sources and self-grading are included with the pack.
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