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k.Close the TcpClient object.

l.Write out to a console window the following message: Press Enter to exit.

m.Do a read from the console to wait for the Enter key and exit the application.

7.Build the client application.

! Test the client and server applications

1.Ensure that there are no server applications running on the computer using port 14, for example, other instances of the server application.

Tip You can display your computer’s current TCP/IP network connections by running the program netstat in a command prompt window. The following example shows that port 7 is in use by a process with PID 1504:

C:\>netstat -o -n -a

Active Connections

2.Run the server application in a Visual Studio .NET Command Prompt window or in the Visual Studio .NET debugger.

3.Run the client application in another Visual Studio .NET Command Prompt window or in another Visual Studio .NET debugger. Do not specify any runtime arguments.

4.Note that the client application returns with the proper error message, as follows:

Please specify a server name in the command line

5.Run the client application as directed in step 3 with a runtime argument that contains a nonexistent server name. For example, assuming that there is no computer named foo on the network, enter the following text in a

Visual Studio .NET Command Prompt window:

datetimeclient foo

40Module 11: Internet Access

6.Note that the client application returns with the proper error message, for example:

Cannot find server: foo

…

7.Run the client application as directed in step 3 with a runtime argument that contains the name of the computer on which the Datetimeserver application is running. If the server application is running on your current computer, specify the local computer as follows:

datetimeclient localhost

Note that the client application outputs the number of bytes received and the current date and time string retrieved from the server.

42Module 11: Internet Access

5.Name the type of Web-specific exceptions that are thrown by the

GetResponse method.

WebException

6.State how a WebRequest can be made to use the Secure Socket Layer (SSL) protocol.

URI begins with https.

7.Name at least three authentication methods that are supported by the .NET Framework.

Basic Digest Negotiate NTLM Kerberos

Course Evaluation

Topic Objective

To direct students to a Web site to complete a course evaluation.

Lead-in

Between now and the end of the course, you can go to the Web site listed on this page to complete a course evaluation.

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Your evaluation of this course will help Microsoft understand the quality of your learning experience.

At a convenient time before the end of the course, please complete a course evaluation, which is available at http://www.metricsthatmatter.com/survey/.

Microsoft will keep your evaluation strictly confidential and will use your responses to improve your future learning experience.

Module 12: Serialization

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