PL-300 Data Connectivity and Gateways

Question 1

Which on-premises data gateway mode supports multiple users and multiple data sources in Power BI?

Accepted Answer

Standard mode

Answer

Standard mode (also called enterprise mode) supports multiple users and multiple data sources, making it suitable for organizational deployments.

Question 2

In Power BI, which connection mode sends a new query to the data source every time a user interacts with a visual?

Accepted Answer

DirectQuery

Answer

DirectQuery sends queries directly to the underlying data source each time a visual is rendered or filtered, ensuring data is always current.

Question 3

What is the maximum number of scheduled dataset refreshes per day for a Power BI Pro workspace?

Accepted Answer

8

Answer

Power BI Pro limits scheduled refresh to 8 times per day (approximately every 3 hours), while Power BI Premium allows up to 48 refreshes per day.

Question 4

Which type of on-premises data gateway requires the installing user to be signed in to Windows for the gateway to remain active?

Accepted Answer

Personal mode gateway

Answer

The personal mode gateway runs under the installing user's Windows session and stops working when that user signs out, unlike the standard mode which runs as a Windows service.

Question 5

In Power BI Import mode, when does the engine retrieve data from the source?

Accepted Answer

Only during scheduled or manual refresh operations

Answer

Import mode loads data into Power BI's in-memory VertiPaq engine only during scheduled or on-demand refresh; visuals are served from the cached copy.

PL-300 Power BI Practice Test

PL-300 Power BI Practice Test

PL-300 Data Connectivity and Gateways