In the Power BI service, accessing a dataset for an uploaded Power BI file allows you what capabilities?
connections to all the data queries and the ability to make ETL modifications to existing data
front-end access to all data queries within this source without the ability to make back-end changes
the ability to see all of the dataset only in Power BI cloud services, but not in Power BI Desktop
the option to select a single query from within the dataset and build new ETL processes form it