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DA0-002 · Question #101
DA0-002 Question #101: Real Exam Question with Answer & Explanation
The correct answer is D: Data lake. A data lake is a repository designed to store vast amounts of raw data in its native format, accommodating both structured and unstructured data types.
Data Concepts and Environments
Question
Which of the following data repositories stores unstructured and structured data?
Options
- AData store
- BData silo
- CData mart
- DData lake
Explanation
A data lake is a repository designed to store vast amounts of raw data in its native format, accommodating both structured and unstructured data types.
Common mistakes.
- A. Data store is a general term and doesn't specifically imply storage of both unstructured and structured data in a raw format like a data lake.
- B. A data silo refers to data isolated within one department or system, not a type of repository for mixed data types.
- C. A data mart is a subset of a data warehouse, typically focused on a specific department or business function, storing only structured, refined data.
Concept tested. Data repository types, data lake characteristics
Reference. https://learn.microsoft.com/en-us/azure/architecture/data-guide/technology-choices/data-lakes
Topics
#data repositories#data lake#structured data#unstructured data
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