_____ are two techniques used in descriptive analytics to discover historical data.

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_____ are two techniques used in descriptive analytics to discover historical data.

A. Data ingestion and data mining

B. Data warehouse and data storage

C. Data aggregation and data mining

D. All of the mentioned above

Data aggregation and data mining are two strategies that are used in descriptive analytics to obtain historical information about a given set of variables. Before any analysis can begin, data is gathered and sorted according to data aggregation in order to make the datasets more manageable for analysts. Data mining is the next phase in the analysis process, and it entails searching through large amounts of data in order to find patterns and meaning. The patterns that have been identified are next evaluated in order to determine the exact methods in which learners engaged with the learning content and within the learning environment.

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Amongst which of the following is/are the cloud deployment models,

A. Public Cloud

B. Private Cloud

C. Hybrid Cloud

D. All of the mentioned above

_____ are two techniques used in descriptive analytics to discover historical data.

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