1.
Scalability is one of the advantages provided by ADO.Net.
Correct Answer
A. True
Explanation
ADO.Net provides scalability as one of its advantages. Scalability refers to the ability of a system to handle increasing amounts of work, such as handling more users or processing larger amounts of data, without sacrificing performance. ADO.Net allows for efficient data access and manipulation, making it suitable for handling large amounts of data and supporting high levels of concurrent user activity. Therefore, the statement that scalability is one of the advantages provided by ADO.Net is true.
2.
ADO.NET provides extensive support for Extensible Markup Language(XML).
Correct Answer
A. True
Explanation
ADO.NET does indeed provide extensive support for Extensible Markup Language (XML). ADO.NET includes classes and methods that allow developers to easily work with XML data, such as reading, writing, and manipulating XML documents. This support enables seamless integration of XML data with relational databases, making it easier to exchange and process data between different systems.
3.
A DataSet object is one of components of the data provider.
Correct Answer
B. False
Explanation
A DataSet object is not one of the components of the data provider. The data provider is responsible for retrieving and managing data from a data source, while a DataSet object is an in-memory representation of a set of data that can be manipulated independently of the data source.
4.
Which objects are components of Data Provider.
Correct Answer(s)
B. DataAdapter
D. Command
E. Connection , DataReader.
Explanation
The objects that are components of a Data Provider are DataAdapter, Command, Connection, and DataReader. A DataAdapter is responsible for retrieving and saving data from and to the database. A Command is used to execute SQL queries or stored procedures. A Connection establishes a connection with the database. A DataReader is used to read data from a database in a forward-only and read-only manner. These components work together to interact with the database and retrieve or manipulate data as needed.
5.
ADO.Net providers better programmbility because ADo.Net data components in Visual Studio lead to faster programming reduce the number of errors.
Correct Answer
A. True
Explanation
ADO.Net providers offer better programmability because they provide a set of data components in Visual Studio that enable faster programming and reduce the likelihood of errors. These components simplify the process of connecting to databases, retrieving data, and performing database operations. By using ADO.Net providers, developers can write code more efficiently and effectively, resulting in improved productivity and fewer programming mistakes.
6.
A DataSet object represents an in-memory, disconnected cache of data that can be manipulated.
Correct Answer
A. True
Explanation
A DataSet object is a data structure in .NET that represents an in-memory cache of data. It is disconnected from the underlying data source, meaning that any changes made to the DataSet do not affect the original data source. The DataSet can be manipulated using various methods and properties to perform operations such as filtering, sorting, and updating the data. Therefore, the statement "A DataSet object represents an in-memory, disconnected cache of data that can be manipulated" is true.
7.
An SQL Server 6.5 database can be accessed using .Net Framework Data Provider for OLE DB.
Correct Answer
A. True
Explanation
The statement is true because SQL Server 6.5 database can indeed be accessed using .Net Framework Data Provider for OLE DB. The .Net Framework Data Provider for OLE DB allows developers to access SQL Server databases using the OLE DB technology, which is a set of COM-based interfaces that provide access to a variety of data sources. This means that developers can use the .Net Framework and its associated libraries to interact with SQL Server 6.5 databases, enabling them to perform tasks such as querying, inserting, updating, and deleting data.
8.
Both Oracle 8i and Oracle 9i database can be accessed using .Net Framework Data Provider for Oracle.
Correct Answer
A. True
Explanation
The statement is true because both Oracle 8i and Oracle 9i databases can be accessed using the .Net Framework Data Provider for Oracle. This means that developers using .Net can connect to and interact with both versions of the Oracle database using the same data provider.
9.
.Net Framework Data Provider for SQL Server does not require an additional OLE DB or Open Database Connectity (ODBC) layer to access a SQL Server.
Correct Answer
A. True
Explanation
The .Net Framework Data Provider for SQL Server is a component that allows .NET applications to communicate with SQL Server databases. Unlike other data providers, it does not require an additional layer such as OLE DB or ODBC to access the SQL Server. This means that developers can directly connect to SQL Server using the .Net Framework Data Provider without the need for any additional drivers or middleware. Therefore, the statement "True" is correct.
10.
An SQL Server 2005 dataset can be accessed with an OLE DB data provider.
Correct Answer
B. False
Explanation
An SQL Server 2005 dataset cannot be accessed with an OLE DB data provider. Instead, it can be accessed with a SQL Server Native Client data provider, which is specifically designed for SQL Server databases. OLE DB data providers are more commonly used for accessing other types of databases such as Oracle or MySQL.
11.
SQL Server database cannot be accessed using .NET Framework Data Provider for SQl Server.
Correct Answer
B. False
Explanation
This statement is false. SQL Server database can be accessed using .NET Framework Data Provider for SQL Server. The .NET Framework provides a data provider specifically designed for SQL Server, which allows developers to connect to and interact with SQL Server databases using .NET applications. This data provider offers various classes and methods that enable seamless integration between SQL Server and .NET applications, making it possible to perform database operations such as querying, inserting, updating, and deleting data.
12.
Data binding is a method to bind the properties of the control to the user input.
Correct Answer
A. True
Explanation
Data binding is a process that connects the properties of a control, such as a textbox or dropdown, to the user input. This allows any changes made by the user to automatically update the underlying data source, and vice versa. By binding the control's properties to the user input, developers can create dynamic and interactive user interfaces. Therefore, the statement "Data binding is a method to bind the properties of the control to the user input" is true.
13.
Aind and Eval expressions are using with ASP.NET data binding.
Correct Answer
A. True
Explanation
Aind and Eval expressions are commonly used with ASP.NET data binding. These expressions allow developers to access and manipulate data in a flexible and dynamic manner. Aind expressions are used to bind data to controls and evaluate expressions during data binding. Eval expressions, on the other hand, are used to evaluate data-bound expressions and display the results in controls. Therefore, the statement "Aind and Eval expressions are using with ASP.NET data binding" is true.
14.
ASP.NET 2.0 has no means no establish a direct connection as a local file to a SQL Express database.
Correct Answer
B. False
Explanation
ASP.NET 2.0 does have the means to establish a direct connection to a SQL Express database as a local file. This can be done using the SqlConnection class in ASP.NET 2.0, which allows developers to connect to and interact with SQL Server databases, including SQL Express. Therefore, the correct answer is False.
15.
ASP.Net 2.0 does not need any code to written for some of the common data scenarios such as paging and sorting.
Correct Answer
A. True
Explanation
ASP.Net 2.0 introduced the GridView control, which provides built-in functionality for common data scenarios such as paging and sorting. This means that developers do not need to write any additional code to implement these features. The GridView control automatically handles the logic for paging and sorting data, making it easier and more efficient for developers to work with data in ASP.Net 2.0. Therefore, the statement is true.
16.
ASP.Net data binding typically involves declarative or inline binding rxpressions that are given in the form of <#..%>
Correct Answer
B. False
Explanation
ASP.Net data binding typically involves declarative or inline binding expressions that are given in the form of . This statement is false because the correct syntax for declarative or inline binding expressions in ASP.Net is . The # symbol is missing in the given statement, making it incorrect.
17.
A DataSet object makes use of a DataReader object to read the Data.
Correct Answer
A. True
Explanation
A DataSet object is a disconnected, in-memory representation of data that can hold multiple tables, relationships, and constraints. It does not directly interact with a data source. On the other hand, a DataReader object is a forward-only, read-only stream of data from a data source. In order for a DataSet object to retrieve data from a data source, it needs to use a DataReader object. Therefore, the statement "A DataSet object makes use of a DataReader object to read the Data" is true.
18.
The SqlDataReader class allow you to read a stream of rows from an SQL Server database.
Correct Answer
A. True
Explanation
The explanation for the given correct answer is that the SqlDataReader class in .NET allows the programmer to retrieve a forward-only, read-only stream of rows from an SQL Server database. It provides a fast and efficient way to read data from the database in a sequential manner. This class is commonly used when there is a need to retrieve large amounts of data from the database and process it row by row. Hence, the statement "The SqlDataReader class allows you to read a stream of rows from an SQL Server database" is true.
19.
The SqlDataReader class is defined in the System.Data.Sql
Correct Answer
B. Fasle
Explanation
The given answer, "Fasle", is incorrect. The correct answer is "False". The SqlDataReader class is not defined in the System.Data.Sql namespace. It is actually defined in the System.Data.SqlClient namespace.
20.
DataReader Object do not support paging or sorting functionality.
Correct Answer
A. True
Explanation
The statement is true because a DataReader object in programming does not have built-in functionality for paging or sorting data. The DataReader is a forward-only, read-only data retrieval mechanism that allows efficient access to data in a database. It is typically used when we need to quickly read and process large amounts of data, but it does not provide methods for sorting or paging through the data. To perform paging or sorting, we would need to use other data access objects or techniques.
21.
The SqlDataReader instance is created using the no-argument constructor.
Correct Answer
B. False
Explanation
The SqlDataReader instance is not created using the no-argument constructor. In fact, the SqlDataReader requires a SqlConnection object and a SqlCommand object to be passed as parameters in its constructor to create an instance. This allows the SqlDataReader to read data from the database using the specified connection and command.
22.
The DataView class helps to generate dynamic customized views of your data for display purposes only.
Correct Answer
B. False
Explanation
The explanation for the answer "False" is that the DataView class is used to create customized views of data, but it is not limited to display purposes only. It can also be used for sorting, filtering, and manipulating data in various ways. Therefore, the statement that the DataView class is only for display purposes is incorrect.
23.
The DataView class has three Constructors.
Correct Answer
A. True
Explanation
The statement is true because the DataView class does indeed have three constructors. Constructors are special methods in a class that are used to initialize the object of that class. Having multiple constructors allows for different ways to create an instance of the DataView class, depending on the arguments passed to the constructor.
24.
The Add() method of the DataView class helpd you to add new rows.
Correct Answer
B. False
Explanation
The explanation for the given correct answer, which is False, is that the Add() method of the DataView class is used to add new rows to a DataTable, not to the DataView itself. The DataView class is used to create a customized view of a DataTable, allowing sorting, filtering, and searching of the data. Therefore, the statement is incorrect as the Add() method does not add new rows to the DataView.
25.
Rows of DataViw object can be filtered based on custom expressions or based on their row state.
Correct Answer
A. True
Explanation
The given statement is true. In a DataViw object, rows can be filtered based on custom expressions or based on their row state. This means that you can apply filters to display only the rows that meet specific criteria or conditions. This functionality allows for more efficient data analysis and manipulation, as it allows users to focus on relevant data and exclude unnecessary information.
26.
The Table property of the DataView class returns the DataTable associated with the view.
Correct Answer
A. True
Explanation
The Table property of the DataView class returns the DataTable associated with the view. This means that when we access the Table property of a DataView object, it will give us the DataTable object that the DataView is based on. This can be useful when we want to perform operations on the original DataTable using the DataView. Therefore, the statement "The Table property of the DataView class returns the DataTable associated with the view" is true.
27.
Data source controls help to boost productivity in Web applications.
Correct Answer
A. True
Explanation
Data source controls are components in web development frameworks that simplify the process of connecting to and retrieving data from a data source, such as a database. These controls provide a layer of abstraction that reduces the amount of code and complexity required to interact with data. By handling many of the repetitive and tedious tasks involved in data access, data source controls help developers save time and effort, thereby boosting productivity in web applications. Therefore, the statement that data source controls help to boost productivity in web applications is true.
28.
SqlDataSource is a data source control that helps you to work with MS SQL Server database
Correct Answer
B. False
Explanation
The statement is false because SqlDataSource is a data source control that helps you to work with any database, not just MS SQL Server. It provides a way to connect to and interact with various databases using SQL queries.
29.
Data source are new group of controls that acts as a bridge between an external data source and data-bound controls on a web form.
Correct Answer
A. True
Explanation
The statement is true because data source controls are indeed a new group of controls that serve as a link between an external data source and data-bound controls on a web form. These controls provide a way to connect to databases, XML files, and other data sources, and allow for easy binding of data to various controls on the web form. This helps in simplifying the process of retrieving and displaying data from external sources on the web page.
30.
The XmlDataSource and SiteMapDataSource controls are tabular controls in that they render data in a hierarchy.
Correct Answer
A. False
Explanation
The XmlDataSource and SiteMapDataSource controls are not tabular controls. They are used for accessing and binding data from XML files and site maps respectively, but they do not render data in a hierarchy like tabular controls do. Therefore, the statement is false.
31.
The XmlDataSource control enables you to work with data from XMl file.
Correct Answer
A. True
Explanation
The XmlDataSource control is a built-in control in ASP.NET that allows developers to easily work with data from XML files. It provides a convenient way to bind XML data to various data-bound controls, such as GridView or Repeater. By setting the XmlDataSource control's DataFile property to the path of an XML file, developers can retrieve and manipulate the XML data within their application. Therefore, the statement "The XmlDataSource control enables you to work with data from XML file" is true.
32.
The SqlDataSource control allows you to retrieve data and modify in the MS SQL Server databases, OLEDB databses as well as ODBC or Oracle databases,
Correct Answer
A. True
Explanation
The SqlDataSource control is a feature in ASP.NET that allows developers to retrieve data from and modify data in various types of databases, including MS SQL Server, OLEDB, ODBC, and Oracle. This control provides a convenient way to connect to and interact with different database systems, making it a versatile tool for database operations in ASP.NET applications. Therefore, the statement "The SqlDataSource control allows you to retrieve data and modify in the MS SQL Server databases, OLEDB databases as well as ODBC or Oracle databases" is true.
33.
At the very minimum, an SqlDataSource control must have its ID property set and a SelectCommand to retrieve data.
Correct Answer
B. False
Explanation
The statement is false because an SqlDataSource control does not necessarily need to have a SelectCommand to retrieve data. It is possible to use other methods such as a stored procedure or a custom method to retrieve data from the database. However, it is still recommended to have the ID property set for the SqlDataSource control to ensure proper identification and usage.
34.
You must always create a new connection when specifying a connection in the Configure Data Source dialog.
Correct Answer
B. False
Explanation
In the Configure Data Source dialog, you do not always have to create a new connection when specifying a connection. You can choose an existing connection that has already been established. Therefore, the statement is false.
35.
You can add the SqlDataSource control and configure its properties through the properties window.
Correct Answer
A. True
Explanation
The statement is true because the SqlDataSource control is a data source control in ASP.NET that can be used to connect to a SQL database and retrieve data. By adding the SqlDataSource control to a web form and configuring its properties through the properties window, developers can easily set up the connection string, select statement, and other settings required to retrieve data from the database. This allows for a simplified and efficient way to retrieve data in ASP.NET applications.
36.
The element is used in mark up to create a SqlDataSource.
Correct Answer
A. True
Explanation
The element is used in markup to create a SqlDataSource. This element allows developers to connect to a database and retrieve data using SQL queries. It provides a convenient way to bind data to data-bound controls in ASP.NET applications. By setting properties such as ConnectionString and SelectCommand, developers can configure the SqlDataSource to retrieve data from a database and populate controls with the retrieved data. Therefore, the statement "The element is used in markup to create a SqlDataSource" is true.
37.
Using XmlDataSource control, you can bind XML data to SiteMapDataSource control.
Correct Answer
B. False
Explanation
you can bind XML data to TreeView or Menu
38.
The Xml file that you want to associate with the XmlDataSource control must be present in the current application folder or its sub-folder.
Correct Answer
A. True
Explanation
The explanation for the given correct answer is that the XmlDataSource control in an application can only associate with an XML file that is located in the current application folder or its sub-folder. This ensures that the control can access and retrieve data from the XML file effectively. If the XML file is not present in the specified location, the control will not be able to establish a connection and retrieve data, resulting in an error. Therefore, it is necessary for the XML file to be present in the current application folder or its sub-folder for the XmlDataSource control to function correctly.
39.
The XmlDataSource control allows you to easily update and modify data and send changes back to the database.
Correct Answer
B. False
Explanation
The XmlDataSource control does not allow for easy updating and modification of data or sending changes back to the database. It is primarily used for retrieving and binding XML data to data controls in ASP.NET applications. Therefore, the given statement is false.
40.
The Xml data present in string form or xml files can be bound to the XmlDataSource control
Correct Answer
A. True
Explanation
The XmlDataSource control in ASP.NET allows for binding XML data, whether it is in string form or stored in XML files. This control provides a convenient way to work with XML data and can be used to populate other controls such as GridView or Repeater. By setting the DataFile or Data property of the XmlDataSource control, the XML data can be easily bound and manipulated in the web application. Therefore, the statement "The Xml data present in string form or xml files can be bound to the XmlDataSource control" is true.
41.
You can auto-generate data bindings for the XmlDataSource control or you can manually assign data bindings for specific fields in the control.
Correct Answer
A. True
Explanation
The statement is true because when using the XmlDataSource control, you have the option to either auto-generate data bindings or manually assign data bindings for specific fields. This flexibility allows developers to choose the most suitable approach based on their specific requirements and preferences.
42.
The SiteMapDataSource control can be bound to navigation controls such as TreeView or menu
Correct Answer
A. True
Explanation
The SiteMapDataSource control is a data source control in ASP.NET that is used to retrieve site map data. It can be bound to navigation controls such as TreeView or menu, which allows the navigation controls to display the site map data and provide a hierarchical structure for navigation. This enables easy navigation and organization of the website's content. Therefore, the statement "The SiteMapDataSource control can be bound to navigation controls such as TreeView or menu" is true.
43.
SiteMaps create in ASP.Net contain XML
Correct Answer
A. True
Explanation
In ASP.Net, SiteMaps are used to define the structure and navigation of a website. These SiteMaps are typically created in XML format. XML (eXtensible Markup Language) is a markup language that is commonly used for structuring and organizing data. Therefore, it is true that SiteMaps created in ASP.Net contain XML.
44.
The ShowStartNode property sets or gets a value indicating if the start node is display or not.
Correct Answer
B. False
Explanation
ShowStartingNode
45.
The XMLFile property of the SiteMapDataSource control is used to set the sitemap data for the control.
Correct Answer
B. False
Explanation
The XMLFile property of the SiteMapDataSource control is not used to set the sitemap data for the control. The correct property to set the sitemap data for the control is the SiteMapProvider property.
46.
It is possible to change the starting node while generating the site map tree structure using the SiteMapDataSource control.
Correct Answer
A. True
Explanation
The explanation for the given correct answer is that the SiteMapDataSource control allows for flexibility in changing the starting node while generating the site map tree structure. This means that users can choose a different starting point for the site map, allowing for customization and adaptation to specific needs or requirements.
47.
This parameter is used to set a parameter value based on another control on the same page.
Correct Answer
B. Control
Explanation
The parameter "Control" is used to set a parameter value based on another control on the same page. This means that the value of one control can be used to determine or influence the value of another control on the page. This can be useful in scenarios where the value of one control is dependent on the value of another control, allowing for dynamic and interactive functionality on the page.
48.
This parameter is used to set the value of parameter in a query base on a client-side cookies value that is passed as part of an HTTP request.
Correct Answer
C. Cookie
Explanation
The correct answer is Cookie. In this context, a cookie is a small piece of data that is stored on the client-side and is passed along with the HTTP request. It is commonly used to store information about the user's session or preferences. In this case, the parameter is used to set the value of a parameter in a query based on the value stored in the client-side cookie.
49.
This parameter is used to set the value of a parameter in a query base on an HTML form element value.
Correct Answer
B. Form
Explanation
The correct answer is "Form". In HTML, a form is used to collect user input and send it to a server for processing. When a user submits a form, the values entered in the form elements are sent as parameters in the query string of the URL. The form element allows the value of a parameter in a query to be set based on the value entered in an HTML form element.
50.
This option is preferable when you need to pass in a value for a parameter from another page.
Correct Answer
A. QueryString
Explanation
The QueryString option is preferable when you need to pass in a value for a parameter from another page. This is because the QueryString allows you to append parameters to the URL, which can then be accessed on the receiving page. By using the QueryString, you can easily pass data between pages without the need for complex form submissions or storing values in cookies.