Which service allows data transformation in Power BI?
APower Query
BAzure Data Lake
CPower Apps
DAzure SQL Database
Explanation
Power Query is specifically designed for data transformation; the others focus on storage or app creation.
Q62
A company needs to share reports securely with clients outside the organization. What should they use?
APower BI Service sharing
BExport to Excel
CEmail PDF reports
DPublic URL access
Explanation
Power BI Service sharing allows secure report access; the other options lack proper security controls.
Q63
What happens when you delete a dataset in Power BI Service?
AReports using it are deleted too
BData in Azure is erased
CUnused reports remain intact
DIt automatically reinstalls the dataset
Explanation
Reports linked to the deleted dataset remain, but cannot be refreshed; others will cause data loss or reinstatement, which is incorrect.
Q64
Which feature allows Power BI to display real-time data?
ADirectQuery
BImport Mode
CDataflows
DScheduled Refresh
Explanation
DirectQuery connects directly to the data source for live data access, unlike the other options that either import data or operate on a schedule.
Q65
A company needs to control access to its Power BI reports based on user roles. Which solution should they implement?
ARow-level security
BDashboard sharing
CPower BI Premium
DEmail subscriptions
Explanation
Row-level security limits data access based on user roles; the other options do not manage data visibility effectively.
Q66
What happens when you set a Power BI report page bookmark?
ASaves filters and selections
BRemoves all visuals
CChanges dataset connections
DExports data automatically
Explanation
Bookmarks preserve the current state of filters and visuals, whereas the other options do not represent bookmarking behavior.
Q67
Which service allows the creation of real-time dashboards in Power BI?
APower BI Service
BPower BI Desktop
CAzure Synapse
DPower Automate
Explanation
The Power BI Service enables real-time dashboard creation, while the Desktop version focuses on report building.
Q68
A company needs to share reports securely with different user roles. Which feature should they use in Power BI?
ARow-level security
BDataflows
CPaginated reports
DScheduled refresh
Explanation
Row-level security restricts data access based on user roles, ensuring secure report sharing.
Q69
What happens when a report is published in Power BI with unresolved dataset warnings?
AReport fails to publish
BReport publishes with limited data
CWarnings are ignored
DReport will succeed without issues
Explanation
The report will publish, but users will see limited data due to unresolved warnings.
Q70
Which DAX function is used to calculate cumulative totals?
ATOTALYTD
BSUM
CFILTER
DCALCULATE
Explanation
TOTALYTD calculates year-to-date values; SUM adds values only.