Data Warehousing Architecture
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Data Warehousing Architecture

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Questions and Answers

What is the primary function of the Internet/Intranet/Extranet in the Web-based DW Architecture?

  • To connect the data warehouse to the client
  • To connect the client to the application server (correct)
  • To connect the staging area to the source systems
  • To connect the data mart to the application server
  • In the Independent Data Marts Architecture, what type of data is stored in the data marts?

  • Summarized data only
  • Normalized relational data
  • Atomic and summarized data (correct)
  • Dimensionalized data
  • What is the key characteristic of the Data Mart Bus Architecture?

  • Dependent data marts
  • Linked dimensional data marts (correct)
  • Hub and spoke architecture
  • Independent data marts
  • In the Hub and Spoke Architecture, what is the central repository of data?

    <p>Normalized relational warehouse</p> Signup and view all the answers

    What is the purpose of the staging area in the Data Warehouse Architectures?

    <p>To transform and cleanse data from source systems</p> Signup and view all the answers

    What is the main distinction between the Independent Data Marts Architecture and the Data Mart Bus Architecture?

    <p>Connections between data marts</p> Signup and view all the answers

    In the Hub and Spoke Architecture, what is the purpose of the dependent data marts?

    <p>To provide fast access to summarized data</p> Signup and view all the answers

    What is the common function of ETL in all the Data Warehouse Architectures?

    <p>To transform and cleanse data from source systems</p> Signup and view all the answers

    What is the primary purpose of a data warehouse?

    <p>To provide enterprise-wide, cleansed data in a standardized format</p> Signup and view all the answers

    What is a characteristic of a data warehouse?

    <p>Data is specially organized to support decision-making</p> Signup and view all the answers

    What is the main difference between a data warehouse and a data mart?

    <p>A data warehouse is focused on the entire enterprise, while a data mart is focused on a specific business area</p> Signup and view all the answers

    What is the purpose of the ETL process in data warehousing?

    <p>To extract, transform, and load data into a data warehouse</p> Signup and view all the answers

    What is real-time data warehousing also known as?

    <p>All of the above</p> Signup and view all the answers

    What is the primary goal of data warehouse administration?

    <p>To ensure data security and integrity</p> Signup and view all the answers

    What is the main benefit of using a data warehouse framework?

    <p>It provides a standardized approach to data warehousing</p> Signup and view all the answers

    What is the role of metadata in a data warehouse?

    <p>To provide information about the data in the data warehouse</p> Signup and view all the answers

    What does ETL stand for in the context of a Centralized Data Warehouse Architecture?

    <p>Extract, Transform, Load</p> Signup and view all the answers

    In the Federated Architecture, what is involved in the logical/physical integration of data?

    <p>Common data elements</p> Signup and view all the answers

    Which architecture type involves a normalized relational warehouse?

    <p>Centralized Data Warehouse Architecture</p> Signup and view all the answers

    Which factor relates to the compatibility of a data warehouse with existing systems?

    <p>Compatibility with existing systems</p> Signup and view all the answers

    What is a constraint on resources an example of?

    <p>A common factor in architecture selection decisions</p> Signup and view all the answers

    Which architecture type involves existing data marts and legacy systems?

    <p>Federated Architecture</p> Signup and view all the answers

    Which factor concerns the upper management’s demands?

    <p>Upper management’s information needs</p> Signup and view all the answers

    What is perceived ability of the in-house IT staff an example of?

    <p>A key factor in architecture selection</p> Signup and view all the answers

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