Which of the following are characteristics of Core Data Services (CDS) views?

CDS views are developed, maintained and extended in the HANA database layer of SAPS/4HANA.

Use of CDS views supports hybrid transactional and analytical applications, such as SAP Smart Business cockpits.

The content of CDS views represents a virtual data model based on the data tables of SAPS/4HANA.

CDS views speed up reporting by providing a dedicated persistency layer.