A Marketing Object is the Marketing Cloud Next-native structure for storing tabular marketing data used in campaigns, personalization, briefs, and flows. Salesforce allows marketers to create a Marketing Object directly from a CSV upload; the resulting object contains the columns defined in the source file, and Marketing Cloud Next infers the appropriate field types during import.
This makes Marketing Objects suitable for datasets such as promotional codes, localized content, product reference information, campaign-specific lookup tables, or other relatively lightweight structured data that doesn't need to be harmonized into the full Data 360 customer model.
An Actionable List is intended to represent a fixed audience of known Leads or Contacts. It isn't a general-purpose tabular data store. A Data 360 file-upload data stream is appropriate when data must be ingested and mapped into Data 360 DMOs, but the scenario asks specifically for tabular data used for marketing purposes, where Marketing Objects provide the more direct Marketing Cloud Next capability.
The uploaded question bank identifies C.
Study Guide Reference: Data Modeling, Identity Resolution and Segmentation → Marketing Objects → Importing and Managing Tabular Marketing Data.
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