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Source Data
A retail analytics team is cataloguing where the data for an upcoming customer-churn analysis will come from. Some data is generated and owned by the organization's own transactional systems, while other data must be obtained from third-party providers outside the organization. When classifying data sources, what best characterizes an EXTERNAL data source?
AData produced and maintained within the organization's own operational systems such as CRM and ERP
BData acquired from outside the organization, such as government datasets, social media, or purchased market data
CAny data stored in a relational database regardless of who created or owns it
DData that has already passed data-quality validation and is ready for analysis
Explanation. The Source Data domain distinguishes internal sources (generated and owned by the organization, e.g., CRM, ERP, transactional systems) from external sources (acquired from outside, e.g., public/government data, social media, purchased datasets). The defining attribute of an external source is that the data originates beyond the organization's boundaries, independent of its storage technology or quality status.
↗ IIBA Business Data Analytics Guide — Source Data
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