Dennis works as a Software Developer for BlueWell Inc. He develops an application, named App1, using Visual C# .NET. App1 contains a class, named Class1, which is stored in a namespace, named BlueWell.Namespace1. Dennis wants to create another class, named Class2, and use Class1 from Class2. For this, he wants to define an alias, named Alias1, and use it in Class2.
Which of the following statements will Dennis use to define Alias1?

• A. BlueWell.Namespace1.Class1, Alias1;
• B. BlueWell.Namespace1.Class1 : Alias1;
• C. using Alias1 = BlueWell.Namespace1.Class1;
• D. Alias1 = BlueWell.Namespace1.Class1;

You work as a Web Application Developer for SunInfo Inc. The company uses Visual Studio 2008 as its application development platform. You create a Web application using .NET Framework 3.5.
You want to ensure that the data input by a user falls within a predetermined range. Which of the following validation controls will you use to accomplish the task?

• A. CompareValidator
• B. RequiredFieldValidator
• C. RangeValidator
• D. RegularExpressionValidator

You work as a Software Developer for Mansoft Inc. You create an ASP.NET Web application named MyWebApp. You implement a security protocol to transmit secured data between a client and a server. You try to authenticate the client computer. However, you are unable to do so, and the AuthenticationException exception is thrown. Which of the following classes will you use to accomplish this task?
Each correct answer represents a complete solution. Choose two.

• A. Stream
• B. AuthenticatedStream
• C. SslStream
• D. NegotiateStream

You work as a Web Application Developer for SunInfo Inc. The company uses Visual Studio 2008 as its application development platform. You create a Windows Forms application using .NET Framework 3.5. You want to create a default event handler for an event in the designer. Which of the following steps will you take to accomplish the task?
Each correct answer represents a part of the solution. Choose all that apply.

• A. Double-click the entry for the event to create the default event handler. This creates the method with the proper signature, and the Code Editor opens to the new method.
• B. In the Code Editor, create a method with a signature that is the same as the signature of the event that you want to handle.
• C. In the designer, select the control. In the Properties window, click the lightening bolt button to display the list of events that the control can raise.
• D. Add the code that you want to execute to the new method when the event is raised.

Charles works as a Web Developer for Cyber Net Inc. The company frequently receives production information from external vendors in the form of XML data. Charles stores these XML data in a disk container of the Web server as .xsd schema files and .xdr schema files. There are specific rules for writing XML codes to define the structure and data types for XML documents. Which of the following criteria should NOT be considered while writing an XML document?
Each correct answer represents a complete solution. Choose all that apply.

• A. An XML document should have predefined elements and attributes.
• B. An XML document must enclose the beginning and ending points of a tag by using the symbols '<' and '>' respectively.
• C. A well-formed XML document should contain a start tag and an end tag.
• D. An XML document should be specified according to the application or business requirement s.
• E. A well-formed XML document should contain a start tag but not necessarily an end tag.