Which of the following data repositories should a company use when structured data about the whole company needs to be stored in a predefined data structure?
This question pertains to theData Concepts and Environmentsdomain, focusing on selecting the appropriate repository for structured data across an entire company. The requirement for a predefined structure narrows the options.
Data mart (Option A): A data mart stores structured data for a specific business area (e.g., sales), not the whole company.
Data warehouse (Option B): A data warehouse is designed to store structured data from across the entire company in a predefined schema, optimized for analytics and reporting.
Data silo (Option C): A data silo is an isolated repository, often structured, but not designed for company-wide integration.
Data lake (Option D): A data lake stores raw data (structured and unstructured) without a predefined structure, not suitable for this requirement.
The DA0-002 Data Concepts and Environments domain includes understanding "different types of databases and data repositories," and a data warehouse is ideal for company-wide structured data.
[Reference: CompTIA Data+ DA0-002 Draft Exam Objectives, Domain 1.0 Data Concepts and Environments., ==============]
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