[05/Indigirka/01]
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Questions and Answers

What is the primary function of the semantic layer in Flow.BI?

  • To store raw data from different sources
  • To transform and clean data before display
  • To provide a consistent view of data regardless of sources (correct)
  • To create virtual metrics and calculated columns

How does the semantic layer contribute to data visualization in Flow.BI?

  • By storing raw data from different sources
  • By transforming and aggregating data
  • By restricting access to sensitive data
  • By providing a consistent view of data (correct)

What are the two types of computed data that the Superset semantic layer can store?

  • Virtual metrics and virtual calculated columns (correct)
  • Initial metrics and modified metrics
  • Derived datasets and pre-processed data
  • Primary metrics and secondary metrics

How does the semantic layer contribute to data transformation in Flow.BI?

<p>By transforming and aggregating data (C)</p> Signup and view all the answers

What is one of the benefits offered by the semantic layer in Flow.BI?

<p>Data abstraction (C)</p> Signup and view all the answers

In what way does the semantic layer improve the usability of Flow.BI applications?

<p>By providing a consistent view of data (A)</p> Signup and view all the answers

What role does the semantic layer play in implementing data security policies?

<p>It can be used to implement data security policies (C)</p> Signup and view all the answers

What is the purpose of a thin semantic layer in Flow.BI?

<p>To add quality of life improvements for analysts (D)</p> Signup and view all the answers

How does the semantic layer contribute to the performance of Flow.BI applications?

<p>By providing consistent view and improving usability (C)</p> Signup and view all the answers

How does the semantic layer help users explore and visualize data in Flow.BI?

<p>By providing a consistent view of the data (C)</p> Signup and view all the answers

The semantic layer in Flow.BI provides a consistent view of the data, regardless of the underlying data sources.

<p>True (A)</p> Signup and view all the answers

The semantic layer in Flow.BI can only be used for data visualization and exploration.

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

Virtual metrics and virtual calculated columns are the two types of computed data that the Superset semantic layer can store.

<p>True (A)</p> Signup and view all the answers

The semantic layer cannot be used to transform data before displaying it to users in Flow.BI.

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

The semantic layer in Flow.BI does not play a role in implementing data security policies.

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

The primary function of the semantic layer in Flow.BI is to add complexity for analysts trying to work with the underlying data sources.

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

The semantic layer in Flow.BI serves as a layer of abstraction between Flow.BI and the underlying data sources.

<p>True (A)</p> Signup and view all the answers

One of the benefits offered by the semantic layer in Flow.BI is improved performance of applications.

<p>True (A)</p> Signup and view all the answers

The semantic layer cannot store computed data such as virtual metrics and virtual calculated columns.

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

The semantic layer in Flow.BI does not offer any benefits beyond providing a consistent view of the data.

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

Match the data transformation task with its description:

<p>Cleaning data = Removing inconsistencies and errors from the dataset Converting data types = Changing the format of data from one type to another Aggregating data = Combining and summarizing multiple data points into a single value Data security = Implementing policies to restrict access to sensitive data</p> Signup and view all the answers

Match the benefits offered by the semantic layer in Flow.BI with their descriptions:

<p>Data abstraction = Provides a consistent view of the data regardless of underlying sources Data transformation = Can be used to modify data before displaying it to users Data security = Enables implementation of policies to protect sensitive data Improved performance = Enhances the speed and efficiency of applications</p> Signup and view all the answers

Match the types of computed data that the Superset semantic layer can store with their definitions:

<p>Virtual metrics = Calculated measurements based on specific parameters or conditions Virtual calculated columns = Generated columns derived from existing dataset through specified calculations Thin semantic layer = Abstraction layer between Flow.BI and underlying data sources Semantic layer = Provides consistent view of the data irrespective of underlying sources</p> Signup and view all the answers

Match the primary functions of the semantic layer in Flow.BI with their roles:

<p>Layer of abstraction = Sits between Flow.BI and underlying data sources Data transformation = Modifies data before displaying it to users Data security policies = Implements measures to protect sensitive information Usability improvement = Enhances user experience and ease of use</p> Signup and view all the answers

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