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Technical Assessment

Quiz by Human Resource

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30 questions
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  • Q1
    What is the purpose of the SQL JOIN clause?
    To rename a table
    To create a new table
    To delete a table
    To combine rows from two or more tables based on a related column
    30s
  • Q2
    What is the purpose of the 'self' parameter in Python class methods?
    It refers to the parent class.
    It is used for static methods.
    It is a reserved keyword.
    It refers to the instance of the class.
    30s
  • Q3
    Which SQL keyword is used to prevent duplicate records in a query result?
    DISTINCT
    UNIQUE
    PRIMARY
    FOREIGN
    30s
  • Q4
    What SQL statement is used to create a new table in a database?
    INSERT INTO
    DROP TABLE
    CREATE TABLE
    ALTER TABLE
    30s
  • Q5
    What type of visualization in Power BI is best suited to display data trends over time?
    Line chart
    Table
    Pie chart
    Card
    30s
  • Q6
    What is the primary purpose of Power BI Service?
    To visualize data
    To share and collaborate on reports and dashboards
    To create data models
    To import data from other sources
    30s
  • Q7
    What is a primary function of Power BI's data model?
    To design user interfaces
    To establish relationships between different data tables
    To store data securely
    To create visual reports
    30s
  • Q8
    What is the primary benefit of using Power BI's 'Publish to Web' feature?
    To securely share reports within an organization
    To embed reports in internal applications
    To automate data refreshes
    To share interactive reports with a wider audience via a public URL
    30s
  • Q9
    Which feature in Power BI allows for the integration of real-time data streaming?
    Data modeling
    Dataflows
    Streaming datasets
    Calculated columns
    30s
  • Q10
    What keyword is used to define a function in Python?
    def
    func
    function
    method
    30s
  • Q11
    Which of the following methods is commonly used for predictive analytics in data analysis?
    Data entry
    File storage
    Web scraping
    Regression analysis
    30s
  • Q12
    Which operator is used for floor division in Python?
    /
    **
    //
    %
    30s
  • Q13
    Which keyword is used to handle exceptions in Python?
    handle
    except
    catch
    try
    30s
  • Q14
    Which SQL command is used to retrieve data from a database?
    UPDATE
    SELECT
    INSERT
    DELETE
    30s
  • Q15
    Which of the following is not a built-in data type in Python?
    dictionary
    character
    list
    tuple
    30s

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