Window Form With C# For Aptech Accp 2007

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| By Vietha
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  • 1/282 Questions

    The DataAdapter is used to link the DataSet to the data source.

    • True
    • False
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Windows Quizzes & Trivia
About This Quiz

Forms are the base unit of Windows applications, so they are essential to know about. They are enhanced with controls to create user interfaces and to manipulate data. How much do you know about Windows form with regards to C#?

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  • 2. 

    The SqlDataAdapter is used to edit data in the sql server database and update DataSet.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The SqlDataAdapter is used to retrieve and manipulate data from a SQL Server database, but it is not specifically used for editing data or updating a DataSet. It is primarily used for populating a DataSet or DataTable with data from the database. To edit data in a SQL Server database and update a DataSet, other classes such as SqlCommand and SqlConnection would be used in conjunction with the SqlDataAdapter. Therefore, the statement is false.

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  • 3. 

    The OleDbDataAdapter class is used to connect to multiple databases such as SQL, Oracle and MS Access.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The OleDbDataAdapter class is a part of the ADO.NET framework and is specifically designed to connect to multiple databases such as SQL, Oracle, and MS Access. It provides a way to retrieve and manipulate data from these databases using the OleDb data provider. Therefore, the statement "The OleDbDataAdapter class is used to connect to multiple databases such as SQL, Oracle and MS Access" is true.

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  • 4. 

    The AccepChangesDuringFill property indicates how  the DataReader object is used to fill the DataSet.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The AccepChangesDuringFill property does not indicate how the DataReader object is used to fill the DataSet. It is a property of the DataSet class that determines whether changes made to the data in the DataSet should be marked as "accepted" or not.

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  • 5. 

    The Fill() method uses the DataSet name to add or refresh rows in the DataSet to match with those in the data source.

    • True

    • Fasle

    Correct Answer
    A. True
    Explanation
    The Fill() method is used to add or refresh rows in the DataSet to match with those in the data source. By using the DataSet name, the Fill() method ensures that the rows in the DataSet are synchronized with the data source, allowing for accurate and up-to-date data retrieval and manipulation. Therefore, the statement "The Fill() method uses the DataSet name to add or refresh rows in the DataSet to match with those in the data source" is true.

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  • 6. 

    Links a DataSet to the MS Access database for retrieving and saving data.

    • OleDbDataAdapter

    • SqlDataAdapter

    Correct Answer
    A. OleDbDataAdapter
    Explanation
    The OleDbDataAdapter class is used to link a DataSet to an MS Access database for retrieving and saving data. It provides methods for executing SQL commands and retrieving data from the database into the DataSet, as well as updating the database with changes made in the DataSet. Therefore, OleDbDataAdapter is the correct answer for this question.

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  • 7. 

    Links a DataSet to the SQL database for retrieving and saving data.

    • OleDbDataAdapter

    • SqlDataAdapter

    Correct Answer
    A. SqlDataAdapter
    Explanation
    SqlDataAdapter is the correct answer because it is a class in the .NET framework that is used to link a DataSet to a SQL database for retrieving and saving data. It provides methods for executing SQL commands and populating the DataSet with the results. This allows developers to easily interact with a SQL database and manipulate data using the DataSet object. OleDbDataAdapter, on the other hand, is used for accessing data from different types of databases, such as Microsoft Access.

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  • 8. 

    Store the SQL query results in DataTable object.

    • SqlDataAdapter

    • OledbDataAdapter

    Correct Answer
    A. SqlDataAdapter
    Explanation
    The SqlDataAdapter class in .NET is used to store the results of an SQL query in a DataTable object. It provides a way to fill a DataTable or DataSet with the data retrieved from a database, and also allows for updating the database with any changes made to the DataTable. Therefore, using SqlDataAdapter is the correct way to store the SQL query results in a DataTable object.

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  • 9. 

    Connect to multiple databases such as Sybase and Oracle.

    • OledbDataAdapter

    • SqlDataAdapter

    Correct Answer
    A. OledbDataAdapter
    Explanation
    The OledbDataAdapter is capable of connecting to multiple databases such as Sybase and Oracle. It is a data adapter that is specifically designed to work with OLE DB data sources, which allows it to connect to various types of databases including Sybase and Oracle. Therefore, it is the correct answer for the given question.

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  • 10. 

    The typed DataSet is inherited from the DataSet class.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because a typed DataSet is indeed inherited from the DataSet class. A typed DataSet is a subclass of the DataSet class that provides additional functionality by generating a class for each table and column in the dataset. This allows for type-safe access to the data within the dataset, making it easier to work with and manipulate the data.

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  • 11. 

    The ReadXml()  method is used to update the xml file.

    • True

    • Fasle

    Correct Answer
    A. Fasle
    Explanation
    The given statement is incorrect. The ReadXml() method is not used to update the XML file. Instead, it is used to read and load the data from an XML file into a dataset or datatable.

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  • 12. 

    The MoveNext() method  of the BindingSource clas is used to navigate to a record in the DataSet.

    • True

    • Fasle

    Correct Answer
    A. True
    Explanation
    The MoveNext() method of the BindingSource class allows the user to move to the next record in the DataSet. This method is commonly used in data binding scenarios where the user needs to navigate through a set of records. By calling MoveNext(), the user can easily move to the next record and display its data. Therefore, the given answer "True" is correct.

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  • 13. 

    The type DataSet is used to catch any wrong values fetched from a table.

    • True

    • Fasle

    Correct Answer
    A. Fasle
  • 14. 

    The untype dataset is used on data that does not have static or predicable structure.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because untype datasets are used for data that does not have a static or predictable structure. In other words, untype datasets are flexible and can handle various types of data without predefined schemas or structures. This allows for more versatility in analyzing and processing data that may not conform to a specific format or pattern.

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  • 15. 

    This property specifies or retrieve the locale information used to compare strings in the table.

    • Readxml

    • Clear

    • GetType

    • Locale

    • DataSetName

    Correct Answer
    A. Locale
    Explanation
    The property "Locale" is used to specify or retrieve the locale information used for comparing strings in a table. This means that it determines the rules and conventions for comparing and sorting strings based on the specified locale. By setting the locale, the comparison of strings can be customized to match the desired language or cultural conventions.

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  • 16. 

    This property specifies or retrieves the DataSet name.

    • Readxml

    • Clear

    • Locale

    • GetType

    • DataSetName

    Correct Answer
    A. DataSetName
    Explanation
    The correct answer is "DataSetName". This property is used to specify or retrieve the name of a DataSet. It is commonly used when working with multiple datasets or when referencing a specific dataset within a program. By setting or accessing the DataSetName property, developers can easily identify and manipulate specific datasets within their code.

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  • 17. 

    This method removes rows in all tables.

    • DataSetName

    • Clear

    • GetType

    • Locale

    • Readxml

    Correct Answer
    A. Clear
    Explanation
    The "Clear" method is used to remove all rows in all tables within a dataset. This means that it clears the data stored in the dataset, making it empty. The other options listed (GetType, Locale, Readxml) do not perform this action of removing rows in all tables. Therefore, the correct answer is "Clear".

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  • 18. 

    This method retrieves the type of the current instance.

    • Readxml

    • Locale

    • GetType

    • Clear

    • DataSetName

    Correct Answer
    A. GetType
    Explanation
    The correct answer is "GetType". This method is used to retrieve the type of the current instance. It returns a Type object that represents the exact runtime type of the current instance.

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  • 19. 

    This method retrieves xml schema and data into the DataSet.

    • Locale

    • DataSetName

    • ReadXml

    • Clear

    • GetType

    Correct Answer
    A. ReadXml
    Explanation
    The ReadXml method is used to retrieve XML schema and data into a DataSet. It allows the DataSet to read and populate its tables with the XML data. This method is commonly used when working with XML data sources and provides a convenient way to import and manipulate XML data within a DataSet.

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  • 20. 

    The DataTable object is used to as a case- sensitive object  if the casing of two tables with the same name differs.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The DataTable object is used as a case-sensitive object, meaning that it considers the casing of two tables with the same name to be different. This means that if there are two tables named "Table1" and "table1", the DataTable object will treat them as separate tables.

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  • 21. 

    The DataRow and DataColumn classes are you as a primary components of the DataTable class.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The DataRow and DataColumn classes are indeed primary components of the DataTable class. These classes are used to represent the rows and columns of data within a DataTable object. The DataRow class represents a single row of data, while the DataColumn class represents a single column of data. Together, these classes allow for the storage and manipulation of tabular data within the DataTable class. Therefore, the statement "The DataRow and DataColumn classes are you as primary components of the DataTable class" is true.

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  • 22. 

    The DataRelation objects are used to enter duplicate values in a column of the table.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    DataRelation objects are not used to enter duplicate values in a column of a table. DataRelation objects are used to establish a relationship between two tables in a dataset, allowing for data to be related and retrieved across the tables. They do not have any impact on the ability to enter duplicate values in a column. Therefore, the statement is false.

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  • 23. 

    The DataRelation objects are used to enforce referential integrity.

    • True

    • Fasle

    Correct Answer
    A. True
    Explanation
    DataRelation objects are used to establish a relationship between two DataTable objects in a DataSet. This relationship can enforce referential integrity, which means that it ensures that the values in the foreign key column of a child table match the values in the primary key column of the parent table. By enforcing referential integrity, the DataRelation objects help maintain the consistency and accuracy of the data in the database. Therefore, the given statement is true.

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  • 24. 

    The DataTableReader object is used to return the records of a table in editable mode.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The DataTableReader object is used to return the records of a table in a read-only mode, not in editable mode. Therefore, the correct answer is False.

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  • 25. 

    This property specifies or retrieves the table name.

    • RowDelete

    • TableNewRow

    • Clear()

    • TableName

    • DataSet

    Correct Answer
    A. DataSet
    Explanation
    The given correct answer for this question is "DataSet". The DataSet is a class in the .NET framework that represents an in-memory cache of data, including tables, relationships, and constraints. It can hold multiple tables, each with its own name. Therefore, the DataSet property "TableName" can be used to specify or retrieve the name of a particular table within the DataSet.

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  • 26. 

    //Custom ControlCustom controls allow you to create reusable controls.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Custom controls are designed to be reusable, meaning they can be used multiple times throughout an application or even in different applications. By creating custom controls, developers can encapsulate complex functionality into a single control, making it easier to maintain and reuse code. This can save time and effort in development as well as improve the overall quality and consistency of the application. Therefore, the statement "Custom controls allow you to create reusable controls" is true.

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  • 27. 

    A composite control  allows you to create a control by inheriting from any standard control.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    A composite control does not allow you to create a control by inheriting from any standard control. Instead, it allows you to create a control by combining multiple existing controls together to create a new custom control. Therefore, the statement is false.

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  • 28. 

    User-Defined validation allows you to define the type of validation the user can perform.

    • True

    • Fasle

    Correct Answer
    A. True
    Explanation
    User-Defined validation allows users to define the type of validation they can perform. This means that users have the flexibility to customize and specify the validation rules according to their specific requirements. They can define the validation criteria, such as data format, range, or any other conditions, that need to be met for the input to be considered valid. This feature empowers users to tailor the validation process to suit their needs, enhancing the overall flexibility and usability of the system.

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  • 29. 

    Customize design allows you to specify the appearance of  standard controls on the custom

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the "customize design" feature allows users to define the visual aspects of standard controls on a custom interface. This means that users have the ability to modify the appearance, such as colors, fonts, sizes, and layouts, of the standard controls according to their preferences or branding requirements.

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  • 30. 

    An extended control allows you to create a control by inheriting from the control class.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    An extended control does not allow you to create a control by inheriting from the control class. This statement is false because an extended control is created by extending or inheriting from an existing control, not the control class itself.

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  • 31. 

    This property retrieves a collection of controls in the specified control.

    • Enable

    • OnPaint

    • Invalidate

    • Parent

    • Controls

    Correct Answer
    A. Controls
    Explanation
    The property "Controls" is the correct answer because it retrieves a collection of controls in the specified control. This means that by accessing this property, we can obtain a collection of all the controls that are contained within a specific control. This can be useful when we need to perform operations or manipulate the controls within a container control.

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  • 32. 

    This property specifies or retrieves the parent container associated with control.

    • Enable

    • OnPaint

    • Invalidate

    • Parent

    • Controls

    Correct Answer
    A. Parent
    Explanation
    This property refers to the parent container that is associated with the control. It allows the control to be placed within a larger container, such as a panel or a form. The parent container provides the control with a context and determines its position and behavior within the overall user interface. By accessing this property, developers can manipulate the control's relationship with its parent container and perform actions or retrieve information related to it.

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  • 33. 

    This property checks whether the control responds to user interaction

    • Controls

    • Parent

    • Invalidate

    • OnPaint

    • Enable

    Correct Answer
    A. Enable
    Explanation
    The property "Enable" checks whether the control responds to user interaction. It determines if the control is enabled or disabled, meaning if it can be interacted with or not.

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  • 34. 

    This method send a paint message  to the control

    • Controls

    • Parent

    • Invalidate

    • OnPaint

    • Enable

    Correct Answer
    A. Invalidate
    Explanation
    The correct answer is "Invalidate" because this method is used to send a paint message to the control. When a control is invalidated, it is marked as needing to be repainted, and the operating system will send a paint message to the control, triggering the OnPaint event. This allows the control to update its appearance and display any changes that may have occurred.

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  • 35. 

    This method triggers  the Paint event

    • Enable

    • Invalidate

    • Controls

    • OnPaint

    • Parent

    Correct Answer
    A. OnPaint
    Explanation
    This method, OnPaint, triggers the Paint event.

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  • 36. 

    Can you arrange the steps  for inheriting  the windows forms existing controls in correct order?1. From the Project menu, select  Add User Control.2. Double - click Inherited User Control3. Include the required properties and methods4. Override the Onpaint() method.5. Modify the name of the base class.

    • 1-3-4-5-2

    • 1-2-4-5-3

    • 1-2--5-3-4

    Correct Answer
    A. 1-2--5-3-4
    Explanation
    To inherit the Windows Forms existing controls, the correct order of steps is as follows:

    1. From the Project menu, select Add User Control.
    2. Double-click Inherited User Control.
    3. Modify the name of the base class.
    4. Include the required properties and methods.
    5. Override the Onpaint() method.


    First, we need to add a new user control by selecting "Add User Control" from the Project menu. Then, we double-click on the newly added user control to open it. After that, we modify the name of the base class to specify the control we want to inherit from. Next, we include any additional properties and methods that we need for our inherited control. Finally, we override the Onpaint() method to customize the painting behavior of our control.

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  • 37. 

    Customer controls are added by right-clicking the toolbox and clicking the .Net Framework components option.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The correct answer is False. Customer controls are not added by right-clicking the toolbox and clicking the .Net Framework components option. This statement is incorrect as it does not accurately describe the process of adding customer controls.

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  • 38. 

    Windows form  existing controls cannot be inherited in your application

    • True

    • False

    Correct Answer
    A. False
    Explanation
    This statement is false. Windows form existing controls can be inherited in your application. Inheritance allows you to create a new class that inherits the properties, methods, and events of an existing control. This allows you to customize and extend the functionality of the control to suit your specific needs. By inheriting from an existing control, you can reuse code and avoid duplicating functionality.

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  • 39. 

    The ToolboxBitmapAttribute class is used to specify a particular image for the custom control.

    • True

    • Fasle

    Correct Answer
    A. True
    Explanation
    The statement is true because the ToolboxBitmapAttribute class is indeed used to specify a particular image for a custom control. This attribute allows developers to associate an image with a custom control, which will then be displayed in the toolbox when the control is selected. This can help users easily identify and differentiate between different controls in the toolbox, making it a useful feature for custom control development.

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  • 40. 

    Toolbox bitmap is specified by adding ToolboxBitmapAttribute bellow the class declaration of the custom control.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The explanation for the answer being False is that the Toolbox bitmap is not specified by adding the ToolboxBitmapAttribute below the class declaration of the custom control. The Toolbox bitmap is actually specified by adding the ToolboxBitmap attribute to the custom control's designer class.

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  • 41. 

    Custom control are programmatically used in your application by using the namspace in which the control is create.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Custom controls are created within a specific namespace in an application and can be used programmatically. This means that developers can use the custom control in their code by referencing the namespace in which the control is created. Therefore, the statement "Custom control are programmatically used in your application by using the namespace in which the control is create" is true.

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  • 42. 

    Composite control are used for creating custom graphical interfaces.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Composite controls are indeed used for creating custom graphical interfaces. A composite control is a combination of multiple controls or elements that are grouped together to create a new control with its own unique functionality. These controls are often used when the standard controls provided by a programming framework or library are not sufficient to meet the requirements of a specific user interface design. By combining and customizing different controls, developers can create complex and specialized graphical interfaces tailored to their specific needs. Therefore, the statement that composite controls are used for creating custom graphical interfaces is true.

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  • 43. 

    Composite controls are created only as a part of the windows application project

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Composite controls can be created as a part of any project, not just windows application projects. They are reusable controls that combine multiple existing controls into a single control. These controls can be used in various types of projects, including web applications, mobile applications, and even console applications. Therefore, the given statement is false.

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  • 44. 

    Composite controls are reused across multiple application.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Composite controls are reusable controls that can be used in multiple applications. This means that instead of creating the same control from scratch for each application, the composite control can be used as a template and easily integrated into different applications. This allows for consistency and efficiency in development, as well as easier maintenance and updates. Therefore, the statement that composite controls are reused across multiple applications is true.

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  • 45. 

    Composite controls contain only one windows forms control in a container.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    A composite control is a custom control that is made up of multiple windows forms controls grouped together in a container. Therefore, the statement that composite controls contain only one windows forms control in a container is incorrect. Composite controls can have multiple controls within them, allowing for more complex and customizable user interfaces.

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  • 46. 

    Composite controls cannot be inherited from other controls.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Composite controls can be inherited from other controls. In object-oriented programming, inheritance allows a class to inherit properties and behaviors from another class. This means that a composite control, which is a control that contains other controls, can inherit from a base control class. By inheriting from another control, the composite control can access and utilize the properties and behaviors defined in the base control class, making it possible to create more complex and specialized controls by building upon existing controls. Therefore, the statement "Composite controls cannot be inherited from other controls" is false.

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  • 47. 

    Provides options for designing and sorting the database.

    • Reusability

    • Security

    • Data Designing and Formatting

    • Data Access

    • Viewing Report

    Correct Answer
    A. Data Designing and Formatting
    Explanation
    The given answer, "Data Designing and Formatting," is the correct option because it aligns with the statement that the provided options are for designing and sorting the database. Data designing refers to the process of creating a database schema and defining the structure of tables, while data formatting involves organizing and presenting data in a desired format. Both these tasks are essential for designing and sorting a database effectively.

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  • 48. 

    Facilitates access of the databases by using more  than 35 data drivers

    • Reusability

    • Security

    • Data Designing and Formatting

    • Data Access

    • Viewing Report

    Correct Answer
    A. Data Access
    Explanation
    The correct answer is Data Access because it states that the given feature facilitates access to the databases by using more than 35 data drivers. This implies that the feature allows users to easily retrieve and manipulate data from various databases, enhancing their ability to access and work with data effectively.

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  • 49. 

    Stores all objects used in a report in a centralized library for easy access.

    • Reusability

    • Security

    • Data Designing and Formatting

    • Data Access

    • Viewing Report

    Correct Answer
    A. Reusability
    Explanation
    This answer is correct because storing all objects used in a report in a centralized library allows for easy access and reuse of these objects in future reports. This promotes efficiency and consistency in report creation, as objects can be easily accessed and reused instead of recreating them from scratch.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 09, 2009
    Quiz Created by
    Vietha

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