Power BI Content Types and Security Model

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Questions and Answers

What is a significant consideration when designing dashboards for mobile devices?

  • Incorporating advanced animations is essential for mobile views.
  • Developers need to ensure dashboards do not exceed the screen size for usability. (correct)
  • Mobile views must always include navigation panes for ease of use.
  • Dashboards should always be limited to one column layout.

How does Power BI handle data at rest in terms of security?

  • There is no specific security measure for data at rest.
  • Data at rest is stored in both Azure Blob and Azure SQL databases and is always encrypted. (correct)
  • Data is stored solely in Azure SQL databases without encryption.
  • Data at rest is always unencrypted for quick access.

What feature allows consumers to better view a Power BI dashboard on mobile devices?

  • Interactive elements that maximize the use of screen space.
  • A static layout that remains unchanged regardless of device orientation.
  • A full-screen mode that eliminates all surrounding frames. (correct)
  • A specialized preview for tablets that offers more detailed analytics.

What is the primary function of a report in Power BI?

<p>To publish large amounts of data in various formats. (C)</p> Signup and view all the answers

In what way can developers enhance the usability of a Power BI dashboard?

<p>By resizing tiles and adding titles or subtitles for better organization. (B)</p> Signup and view all the answers

How does a dashboard differ from a report in Power BI?

<p>Dashboards can feature only visual elements from reports. (C)</p> Signup and view all the answers

What aspect of dashboard design is crucial for storytelling?

<p>Carefully selecting and visualizing the information that conveys a particular narrative. (C)</p> Signup and view all the answers

What is a key characteristic of a workspace in Power BI?

<p>It serves as a shared environment for real-time collaboration. (B)</p> Signup and view all the answers

Which of the following statements about apps in Power BI is accurate?

<p>Apps act as a container for distributing content from multiple sources. (B)</p> Signup and view all the answers

What permission controls can Power BI administrators set regarding workspaces?

<p>Administrators can limit workspace creation to specific groups. (C)</p> Signup and view all the answers

What happens when a user registers for a Power BI account?

<p>A default workspace is created for the user's private use. (A)</p> Signup and view all the answers

Which of the following best describes the purpose of the Workspaces tab in Power BI?

<p>It includes a button to create new workspaces. (A)</p> Signup and view all the answers

How can users collaborate in Power BI while using shared workspaces?

<p>By working together before content is ready to share. (D)</p> Signup and view all the answers

What is the primary function of the Web Front End (WFE) cluster in Power BI?

<p>To authenticate user accounts and direct them to the service. (D)</p> Signup and view all the answers

Which role in the Back-End cluster is directly responsible for supplying data for visualizations?

<p>Presentation Role (B)</p> Signup and view all the answers

Which process occurs first when a user attempts to access Power BI?

<p>User authentication against Azure Active Directory. (C)</p> Signup and view all the answers

What does the Azure Traffic Manager (ATM) do during the initial connection process?

<p>Directs connections to the nearest WFE cluster. (D)</p> Signup and view all the answers

Which of the following data storage types is used by Power BI for unstructured data?

<p>Azure Blob Storage (C)</p> Signup and view all the answers

How is data retained in the Analysis Services in-memory database for imported data?

<p>For up to one hour. (D)</p> Signup and view all the answers

What is a primary responsibility of the Gateway Role in the Power BI service?

<p>Managing user connections and authorizing content access. (D)</p> Signup and view all the answers

Which of the following statements about DirectQuery is accurate?

<p>Data is accessed using references to outside sources. (A)</p> Signup and view all the answers

What does the WFE cluster provide to the user's browser after successful authentication?

<p>A security token and the address of the Back-End cluster. (A)</p> Signup and view all the answers

Which of the following is a role in the Back-End cluster that is NOT publicly accessible?

<p>Data Role (D)</p> Signup and view all the answers

Which feature is NOT handled by the Back-End cluster in Power BI?

<p>Storing user account information. (D)</p> Signup and view all the answers

In what scenario is the Azure SQL Database used within Power BI?

<p>For tenant information and workspaces. (A)</p> Signup and view all the answers

What occurs to the user's connection to the Back-End cluster after initial authentication?

<p>The user's browser communicates directly with the Back-End cluster. (C)</p> Signup and view all the answers

What is the main purpose of the Access dialog box in Power BI?

<p>To manage user roles and access to workspaces. (D)</p> Signup and view all the answers

Flashcards

What are the three types of Power BI distributable content?

Power BI offers three distributable content types: reports, dashboards, and apps. Reports are multipage documents for displaying large amounts of data. Dashboards are single-page visualizations extracted from reports. Apps package Power BI content for distribution.

What is a workspace in Power BI?

A workspace is a private area within Power BI where users can work on their content before sharing it. It can contain datasets, Excel workbooks, dashboards, and reports.

What can a workspace contain?

A workspace is a private area within Power BI where users can work on their content before sharing it. It can contain datasets, Excel workbooks, dashboards, and reports.

How can workspaces support collaboration in Power BI?

A workspace can be shared with other users, allowing them to collaborate on Power BI content. This is how teams can work together to create and maintain Power BI reports and dashboards.

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Who controls the creation of new workspaces in Power BI?

Power BI administrators can control the ability to create new workspaces. They can grant permission to everyone, specific groups, or everyone except specific groups.

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How do you create a new workspace in Power BI?

The Create a workspace button in the Power BI service interface opens a dialog box. Currently, creating a new workspace does not automatically create an Office 365 group.

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What is a Power BI report?

Power BI reports are multipage documents that can display large amounts of data in various formats.

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What is a Power BI dashboard?

Power BI dashboards are single-page visualizations that are extracted from reports. They provide a concise overview of key data points.

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Power BI dashboards

Power BI allows developers to create interactive visual representations of data, called dashboards, for users to easily consume and understand information.

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Dashboard design for mobile devices

Dashboards are designed to be viewed on various devices, so developers must consider the screen size of mobile devices and ensure the content is readable and easy to navigate.

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Customizing dashboard layout

Power BI enables developers to adjust the layout of dashboards by moving, resizing, and adding titles to enhance the visual appeal and organization of information.

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Power BI mobile view

Power BI provides a mobile view option for dashboards, optimizing the display for smaller screens by rearranging elements and making text more legible.

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Selecting appropriate visualizations

When designing dashboards, it's crucial to select the right visualizations and information to present to consumers, ensuring the dashboard effectively communicates the intended message.

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Power BI Web Front End (WFE) Cluster

A cluster responsible for initial user connection, authentication, and authorization in Power BI.

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Power BI Back-End Cluster

A cluster that handles all Power BI operations after successful authentication, including data storage, visualization, and data connection management.

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Authentication

The process of verifying a user's identity and granting them access to specific resources or data.

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Authorization

The process of determining a user's level of access and permissions for specific resources or data after successful authentication.

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Azure Active Directory (AAD) Security Token

A unique token generated after successful authentication, serving as proof of identity and access rights.

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Power BI Gateway Role

A service responsible for managing user connections, authorization, and relaying requests to other modules within the Back-End cluster.

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Azure Blob Storage

A storage solution used by Power BI for large amounts of unstructured data, typically imported from external sources.

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Azure SQL Database

A database service used by Power BI for storing various data, including tenant information, workspaces, reports, and metadata.

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DirectQuery

A method for accessing data in Power BI where data is directly queried from a source, such as a database, without being imported.

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Import

A method for accessing data in Power BI where data is imported into the Power BI service for analysis and manipulation.

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Analysis Services In-Memory Database

An in-memory database used by Power BI to store imported data for up to one hour, providing fast access to data for analysis.

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Power BI Presentation Role

A role within the Power BI Back-End cluster responsible for managing and providing data for visualization and reports.

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Data Refresh

The process of updating data in Power BI, ensuring that visualizations and reports reflect the latest information from source data.

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Data Access and Analysis in Power BI

The process of accessing and analyzing data in Power BI, which involves connecting to data sources, creating visualizations, and building reports and dashboards.

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Power BI Workspace

A collection of reports, dashboards, and datasets shared by multiple users, enabling collaborative data analysis and visualization.

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Study Notes

Power BI Content Types

  • Power BI supports reports, dashboards, and apps.
  • Reports are multi-page documents for publishing large datasets.
  • Dashboards are single-page visual summaries from reports.
  • Apps package Power BI content from various sources.

Power BI Workspaces

  • A workspace is a private user area for developing content.
  • Workspaces can contain datasets, reports, dashboards, and Excel workbooks.
  • Users can create multiple workspaces.
  • Shared workspaces allow team collaboration.
  • Administrators control workspace creation and access.

Power BI Security Model

  • Architecture: Two clusters (Web Front End - WFE & Back-End)
  • User authentication: Azure Active Directory.
  • WFE Role:
    • Initial connection and user authentication
    • Azure Traffic Manager (ATM) directs to nearest data center.
    • Retrieves user's subscription and security tokens from Azure Active Directory (AAD). -Locates the relevant Back-End cluster.
    • Sends requested resources to user's browser.
  • Back-End Role:
    • Handles all Power BI operations for authenticated users.
    • Data connections, visualizations, and data storage.
    • Data Storage: Azure Blob for imported data (e.g., Excel), Azure SQL Database for other data (e.g. tenant, workspaces).
    • Data Read Methods: Import (data copied to Power BI), DirectQuery (data referenced).
    • Modules: Gateway Role, Presentation Role, Data Role, Background Job Processing Role, Data Movement Role. Gateway & API Management are accessible via internet.
  • Data Access:
    • Imported data (e.g., from Excel) is read into an Analysis Services in-memory database and stored in Azure Blob encrypted.
    • DirectQuery data exists only while being processed (e.g., user access).
    • Data at rest is always encrypted.

Power BI Dashboards in Mobile Apps

  • Dashboards summarize data with visuals for specific stories.
  • Dashboard design considers screen size (particularly for mobile use).
  • Scrolling is possible for large dashboards.
  • Dashboard customization includes tile moves, resizing, and added titles.
  • Mobile view arranges tiles vertically.

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