PL-300 Visualize and analyze the data Practice Question
Which TWO are required components of a Power BI Paginated Report?
⚠ Common exam trap
Microsoft often tests the misconception that optional features like subscriptions, map visuals, or query parameters are mandatory, when in fact only the dataset and data source are strictly required for a paginated report to render.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A dataset
In Power BI Paginated Reports, every report must be bound to at least one dataset (option C), which defines the fields and query results the report's tables, matrices, and other regions render. That dataset in turn must be backed by a data source (option D), the connection object that specifies the provider and connection string used to retrieve the data. Together, the data source and dataset form the minimum required data-retrieval components of a paginated report. A subscription (option A) is an optional delivery mechanism for scheduled report distribution, not a required report component. A map visual (option B) is just one optional report item type, and a query parameter (option E) is an optional filtering/parameterization feature, neither of which is mandatory for a paginated report to exist.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A subscription
Why it's wrong here
A paginated report subscription is a delivery mechanism that sends the report output via email or to a file share on a schedule. It is a feature of the Power BI service or Report Server, not a constituent part of the report definition itself; a report can exist and be rendered without any subscription. Subscriptions depend on the report being published and do not influence the report's data retrieval or layout. Therefore, subscriptions are not required components.
- ✗
A map visual
Why it's wrong here
A paginated report can contain any number and type of data regions, such as tables, matrices, charts, or maps, but none of these is mandatory. The map visual is only one of many available visualization types used to display spatial data geographically. A paginated report must have a data region to present data, but the choice of that data region is driven by the report design, not by a requirement. Consequently, a map is not a required component.
- ✓
A dataset
Why this is correct
In a paginated report, a dataset defines the query and the fields that populate the data regions; without a dataset, there is no data to bind to the report items. The dataset references a data source and includes the query text, parameters, and field collection. Even if a report uses a shared dataset, there is still at least one dataset in the report's data model. Therefore, a dataset is an essential, required component.
- ✓
A data source
Why this is correct
A data source in a paginated report specifies the connection string and provider used to connect to the underlying database or service. The dataset that retrieves data must be associated with a data source, and the report cannot execute any query without this connection information. A data source can be embedded in the report or shared, but either way it is mandatory for data-bound reports. Thus, a data source is a required component because data retrieval is impossible without it.
- ✗
A query parameter
Why it's wrong here
Query parameters allow user input to filter the data returned by the dataset query, but their inclusion is entirely dependent on the report's requirements. A paginated report can function perfectly well with a static dataset query that returns a fixed set of data, or it can use report parameters that do not even interact with the query. Because parameters are only needed to make reports dynamic or interactive, they are not a mandatory part of the report infrastructure. Hence, a query parameter is not a required component.
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