Final answer:
Attribute Groups in Salesforce Marketing Cloud can be created using templates for specific tasks and are used to link multiple data extensions or connect data extensions to contacts for relational data modeling. They do not contain only one data extension, nor do they replicate the external system data structure into templates. The correct options are b, c.
Step-by-step explanation:
When Northern Trail Outfitters (NTO) is considering the use of Attribute Groups in incorporating data from their external systems, it is important to understand their functionality within the context of a marketing platform such as Salesforce Marketing Cloud.
Attribute Groups can be quite complex, but here are the accurate statements regarding them:B. They can be created by templates to accomplish certain tasks. Attribute Groups can be based on pre-defined templates within marketing platforms, which are designed to help accomplish specific data management tasks more efficiently.
C. They link data extensions to other data extensions or contacts. Attribute Groups are used to create relational data models by connecting one data extension to other data extensions or directly to contact records, enabling more sophisticated targeting and personalization.
Incorrect statements would be that Attribute Groups can contain only one data extension (A), which is not true as they can link multiple data extensions. Also, the statement regarding replication of the structure from the external system data into templates (D) is misleading.