Which of the following data repositories stores unaltered data?

A data lake is designed to store raw, unaltered data in its native format, including structured, semi-structured, and unstructured data. Data is ingested as-is, and the schema is typically applied at the time of reading, making it ideal for storing original, untransformed information.

A data warehouse stores structured, processed, and transformed data that has been cleaned and organized for analytical purposes, meaning it is not unaltered.

A data table is a structural component within a database, and while it can hold data, it is not a distinct type of repository known specifically for preserving data in an unaltered state like a data lake.

A data factory is a data integration and orchestration service used to move and transform data, but it is not a repository for storing data itself.