Power BI 778 Power BI Service and Collaboration 2

Question 1

What is a 'dataflow' in Power BI?

Accepted Answer

A reusable set of Power Query transformations stored in the Power BI Service

Answer

Dataflows store reusable Power Query ETL logic in the cloud, allowing multiple datasets and reports to share the same transformation logic.

Question 2

What is the purpose of 'Scheduled Refresh' in Power BI Service?

Accepted Answer

Automatically updates an imported dataset by re-running the data load from the source on a schedule

Answer

Scheduled Refresh keeps imported datasets up to date by automatically pulling fresh data from the source at specified intervals.

Question 3

What is required to enable Scheduled Refresh for an on-premises data source in Power BI?

Accepted Answer

An on-premises data gateway

Answer

An on-premises data gateway acts as a secure bridge between Power BI Service in the cloud and on-premises data sources.

Question 4

Which Power BI Service feature allows users to subscribe to a report page and receive it via email on a schedule?

Accepted Answer

Email subscriptions

Answer

Email subscriptions in Power BI Service send a snapshot of a report page or dashboard to subscribers on a defined schedule.

Question 5

What is a 'certified' dataset in Power BI?

Accepted Answer

A dataset that has been reviewed and endorsed by a designated authority as a trusted data source

Answer

Certified datasets have been vetted and promoted by a Power BI admin or authorized user as a reliable, authoritative data source.

Power BI 778 Practice Test