MCAD .NET XML Web Services and Server Components with C#.NET : 70-320 Exam
Product DescriptionExam Number/Code: 70-320
Exam Name: MCAD .NET XML Web Services and Server Components with C#.NET

“MCAD .NET XML Web Services and Server Components with C#.NET”, also known as 70-320 exam, is a Microsoft certification. With the complete collection of questions and answers, Pass4sure has assembled to take you through 86 questions to your 70-320 Exam preparation. In the 70-320 exam resources, you will cover every field and category in MCAD.NET helping to ready you for your successful Microsoft Certification.
Exam news
Exam 70-320 became available in August 2002.

• This exam is scheduled to retire in March 2009
• This exam is available at 40 percent off retail price until it retires

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Audience profile
Candidates for this exam work on a team in a medium-sized or large development environment that uses Microsoft Visual Studio .NET, Enterprise Developer Edition. Candidates have at least one year of experience developing Windows-based and Web-based applications. Candidates should have a working knowledge of Microsoft Visual C# .NET and should have at least 6 months experience developing XML Web Services.

Credit toward certification
When you pass Exam 70-320: Developing XML Web Services and Server Components with Microsoft Visual C# .NET and the Microsoft .NET Framework, you achieve Microsoft Certified Professional (MCP) status.

• Learn about Microsoft Certified Professional status

You also earn credit toward the following certifications:

• Core credit toward Microsoft Certified Solution Developer (MCSD) for Microsoft .NET certification.

• Core or elective credit toward Microsoft Certified Application Developer (MCAD) for Microsoft .NET certification.

• Elective credit toward Microsoft Certified Database Administrator (MCDBA) on Microsoft SQL Server 2000 certification.

Preparation tools and resources
In addition to your hands-on experience working with the product, Microsoft Learning recommends that you use the following tools and training to help you prepare for this exam. These training resources do not necessarily cover all of the topics listed in the “Skills measured” section.

Classroom training Microsoft E-Learning Microsoft Press books Practice tests
Course 2389B: Programming with Microsoft ADO.NET

Course 2524: Developing XML Web Services Using Microsoft ASP.NET (three days)

Course 2557: Building COM+ Applications Using Microsoft .NET Enterprise Services (five days)

Course 2663: Programming with XML in the Microsoft .NET Framework (three days)
Course 2389: Programming with Microsoft ADO.NET (18 hours)

Course 2524: Developing XML Web Services Using Microsoft ASP.NET (12 hours)

Course 2557: Building COM+ Applications Using Microsoft .NET Enterprise Services (22 hours)
MCAD/MCSD Self-Paced Training Kit: Developing Web Applications with Microsoft Visual Basic .NET and Microsoft Visual C# .NET, Second Edition (ISBN: 9780735619272)

MCAD/MCSD Self-Paced Training Kit: Microsoft .NET Core Requirements, Exams 70-305/70-315, 70-306/70-316, 70-310/70-320, and 70-300 (ISBN: 9780735619258)
MeasureUp (Measureup.com)

Self Test Software (Selftestsoftware.com)

Microsoft online resources
• Learning Plan: Get started with a step-by-step study guide that is based on recommended resources for this exam.

• Microsoft Learning Community: Join newsgroups and visit community forums to connect with peers for suggestions on training resources and advice on your certification path and studies.

• TechNet: Designed for IT professionals, this site includes how-to instructions, best practices, downloads, technical resources, newsgroups, and chats.

• MSDN: Designed for developers, the Microsoft Developer Network (MSDN) features code samples, technical articles, downloads, newsgroups, and chats.

Skills measured
This certification exam measures your ability to develop and implement middle-tier components, server components, and XML Web services by using Visual Studio .NET and the Microsoft .NET Framework. Before taking the exam, you should be proficient in the job skills listed in the following table. The table shows which Official Microsoft Learning Products may help you reach competency in the skills being tested in the exam.

KEY: = The course provides a general introductory overview of this task. You will need to supplement the course with additional work = The course includes some material to prepare you for this task. You will need to supplement the course with additional work = The course includes material to prepare you for this task
Skills measured by Exam 70-320 Course 2389 Course 2524 Course 2557 Course 2663
Creating and Managing Microsoft Windows Services, Serviced Components, .NET Remote Objects, and XML Web Services
Create and manipulate a Windows service.

• Write code that is executed when a Windows service is started or stopped.

Create and consume a serviced component.

• Implement a serviced component.

• Create interfaces that are visible to COM.

• Create a strongly named assembly.

• Register the component in the global assembly cache.

• Manage the component by using the Component Services tool.

Create and consume a .NET Remote object.

• Implement server-activated components.

• Implement client-activated components.

• Select a channel protocol and a formatter. Channel protocols include TCP and HTTP. Formatters include SOAP and binary.

• Create client configuration files and server configuration files.

• Implement an asynchronous method.

• Create the listener service.

• Instantiate and invoke a .NET Remote object.

Create and consume an XML Web service.

• Control characteristics of Web methods by using attributes.

• Create and use SOAP extensions.

• Create asynchronous Web methods.

• Control XML wire format for an XML Web service.

• Instantiate and invoke an XML Web service.

Implement security for a Windows service, a serviced component, a .NET Remote object, and an XML Web service.

Access unmanaged code from a Windows service, a serviced component, a .NET Remote object, and an XML Web service.

Consuming and Manipulating Data
Access and manipulate data from a Microsoft SQL Server database by creating and using ad hoc queries and stored procedures.

Create and manipulate DataSets.

• Manipulate a DataSet schema.

• Manipulate DataSet relationships.

• Create a strongly typed DataSet.

Access and manipulate XML data.

• Access an XML file by using the Document Object Model (DOM) and an XmlReader.

• Transform DataSet data into XML data.

• Use XPath to query XML data.

• Generate and use an XSD schema.

• Write a SQL statement that retrieves XML data from a SQL Server database.

• Update a SQL Server database by using XML.

• Validate an XML document.

Testing and Debugging
Create a unit test plan.

Implement tracing.

• Configure and use trace listeners and trace switches.

• Display trace output.

Instrument and debug a Windows service, a serviced component, a .NET Remote object, and an XML Web service.

• Configure the debugging environment.

• Create and apply debugging code to components and applications.

• Provide multicultural test data to components and applications.

• Execute tests.

Use interactive debugging.

Log test results.

• Resolve errors and rework code.

• Control debugging in the Web.config file.

• Use SOAP extensions for debugging.

Deploying Windows Services, Serviced Components, .NET Remote Objects, and XML Web Services
Plan the deployment of and deploy a Windows service, a serviced component, a .NET Remote object, and an XML Web service.

Create a setup program that installs a Windows service, a serviced component, a .NET Remote object, and an XML Web service.

• Register components and assemblies.

Publish an XML Web service.

• Enable static discovery.

• Publish XML Web service definitions in the UDDI.

Configure client computers and servers to use a Windows service, a serviced component, a .NET Remote object, and an XML Web service.

Implement versioning.

Plan, configure, and deploy side-by-side deployments and applications.

Configure security for a Windows service, a serviced component, a .NET Remote object, and an XML Web service.

• Configure authentication type. Authentication types include Windows authentication, Windows Live ID (formerly Passport Network account), custom authentication, and none.

• Configure and control authorization. Authorization methods include file-based authorization and URL-based authorization.

• Configure and implement identity management.

1.You are developing an order-processing application that retrieves data from a Microsoft SQL Server database.

The database contains a table named Customers and a table named Orders. Customers has a primary key of CustomerID. Each row in Orders has a CustomerID that indicates which customer placed the order. Your application uses a DataSet object named ordersDataSet to capture customer and order information before it is applied to the database. The ordersDataSet object has two DataTable objects named Customers and Orders. You want to ensure that a row cannot exist in the Orders DataTable object without a matching row existing in the Customers DataTable object.
Which two actions should you take? (Each correct answer presents part of the solution. Choose two.)

A:Create a foreign key constraint named ConstraintOrders that has Orders.CustomerID as the parent column and

Customers.CustomerID as the child column.

B:Create a foreign key constraint named ConstraintCustomers that has Customers.CustomerID as the parent column and Orders.CustomerID as the child column.
C:Create a unique constraint named UniqueCustomers by using the Customers.CustomerID. D:Add ConstraintOrders to the Orders DataTable.
E:Add ConstraintOrders to the Customers DataTable. F:Add ConstraintCustomers to the Orders DataTable. G:Add ConstraintCustomers to the Customers DataTable. H:Add UniqueCustomers to the Customers DataTable. Correct Answers: B, F

2.You create a Windows service that processes XML messages placed in an MSMQ queue. You discover that the service is not functioning properly. You need to debug the service to correct the problem. What should you do?
A: Start the Windows service. Then attach a debugger to the process.

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B: Attach a debugger to the Windows service. Then start the Windows service.

C: Start the Windows service. Then run the .NET Services Installation tool (Regsvcs.exe).

D: Place a breakpoint in the Main method of the Windows service. Then run the application within the Visual

Studio .NET integrated development environment (IDE).

Correct Answers: A

TestInside 70-320

3.You create an XML Web service named myService. This service exposes a Web method named MyMethod.

You need to register myService in UDDI. First, you add a new business name and a new tModel. You now need

to list a valid access point to myService. Which URL should you use? A: http://YourServer/AppPath/myService
B: http://YourServer/AppPath/myService?wsdl

C: http://YourServer/AppPath/myService.asmx

D: http://YourServer/AppPath/myService.asmx?MyMethod

Correct Answers: C

4.You are developing a Windows-based application that requires the use of a calculation function named

CalculateValue. This function includes the following signature:

int CalculateValue(int);

CalculateValue is located in an unmanaged DLL named UsefulFunctions.dll, and is not part of a COM interface. You need to be able to use CalculateValue in your application. Your project directory contains a copy of UsefulFunctions.dll.
While you are working in Debug mode, you attempt to run your application. However, a System.DllNotFoundException is thrown. You verify that you are using the correct function name. You also verify that the code in the DLL exposes CalculateValue. You have not modified the project assembly, and you
have not modified machine-level security. You need to test your application immediately. What should you do?

A: Move UsefulFunctions.dll to your project’s bin directory.

B: Move UsefulFunctions.dll to your project’s Debug directory.

C: Immediately before the declaration of CalculateValue, add the following code segment:

[SuppressUnmanagedCodeSecurityAttribute()]

D: Immediately before the call to CalculateValue, add the following code segment: SecurityPermission perm = new SecurityPermission( SecurityPermissionFlag.UnmanagedCode);
perm.Assert();

Correct Answers: B

TestInside 70-320

5.You create an XML Web service named MyService. You must ensure that this service meets the following URL

authorization requirements: Anonymous access must be disabled for MyService. An authenticated user named

User1 cannot access MyService. All other authenticated users can access MyService. You configure Internet Information Services (IIS) to meet these requirements. You now need to configure the authorization section in the Web.config file to properly authorize the users. Which code segment should you use?
A:

B:
C:

D:

Correct Answers: D

6.You create a .NET Remoting object named ChatServer. ChatServer is the central server for a group of chat client applications.
Client applications send string chat messages to ChatServer. ChatServer then broadcasts each message to all registered chat client applications. ChatServer uses an HTTP remoting channel to communicate with the client applications. The ChatServer class includes the following code segment:

TestInside 70-320

6.You need to write a client application that includes a class named ChatClient to communicate with ChatServer. You

want ChatClient to send and display chat messages. What should you do?
A: Implement the IDeserializationCallback interface in ChatClient. Implement an event handler for the Submission event.
B: Derive ChatClient from System.Object. Implement the ISerializable interface.
Implement an event handler for the Submission event. C: Implement the ISerializable interface in ChatClient.
Implement an event handler for the Submission event.

Host ChatClient in Internet Information Services (IIS) by using a Web.config file. D: Derive ChatClient from MarshalByRefObject.
Implement an event handler for the Submission event. Configure ChatClient to listen on an HttpChannel.
Correct Answers: D

7.You have a .NET Remoting object named Scheduler. The Scheduler class is in an assembly file named TaskScheduler.dll. The Scheduler class is hosted by an application named SchedulerServer.exe. This application is configured by using a file named SchedulerServer.exe.config. This file configures the Scheduler class to be a
client-activated object by using a TcpChannel and a BinaryFormatter.You want to deploy the Scheduler object to a computer named Computer1 so that client applications can begin to use it. You copy TaskScheduler.dll, SchedulerServer.exe, and SchedulerServer.exe.config to a directory on Computer1.
What should you do next?

A: Install TaskScheduler.dll in the global assembly cache.

B: Use the Assembly Registration tool (Regasm.exe) on Computer1 to register SchedulerServer.exe.

C: Use the Assembly Registration tool (Regasm.exe) on Computer1 to register TaskScheduler.dll.

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D: Configure Computer1 to execute SchedulerServer.exe each time Computer1 is restarted. Then manually execute

SchedulerServer.exe on Computer1.

Correct Answers: D

8.You are creating a .NET Remoting object. You want to add code to the object to log error messages and warning messages. You want the log messages written to both a log file and to the Windows application log. Which code segment should you use?
A: EventLog eventLog = new EventLog(“remobj”); FileStream fileLog = File.Create(“remobj.log”); Trace.WriteLine(eventLog, “sample message”); Trace.WriteLine(fileLog, “sample message”);
B: EventLog eventLog = new EventLog(“remobj”); FileStream fileLog = File.Create(“remobj.log”); Trace.Write(eventLog);
Trace.Write(fileLog); Trace.WriteLine(“sample message”);
C: Trace.Listeners.Add(new EventLogTraceListener(“remobj”)); Trace.Listeners.Add(
new TextFileTraceListener(“remobj.log”)); Trace.WriteLine(“sample message”);
D: Trace.Listeners.Add(new EventLogTraceListener()); Trace.Listeners.Add(
new TextFileTraceListener(“remobj.log”)); Trace.WriteLine(“sample message”);
Correct Answers: C

9.You have a SqlDataReader object named productsDataReader. The productsDataReader object contains three columns in the following order:
ProductID as Integer ProductName as nvarchar(40) UnitsInStock as Integer
You want to use productsDataReader to create an inventory management report. You define the following three variables:
int myProductID;

string myProductName;

int myUnits;

You need to ensure that the report runs as quickly as possible. Which code segment should you use?
A: myProductID = (int) productsDataReader[1]; myProductName = (string) productsDataReader[2]; myUnits = (int) productsDataReader[3];
B: myProductID = (int) productsDataReader[0]; myProductName = (string) productsDataReader[1]; myUnits = (int) productsDataReader[2];
C: myProductID = (int) productsDataReader["ProductID"];

myProductName = (string)

TestInside 70-320

productsDataReader["ProductName"];

myUnits = (int) productsDataReader["UnitsInStock"]; D: myProductID = (int)
productsDataReader.GetOrdinal(“ProductID”); myProductName = (string) productsDataReader.GetOrdinal(“ProductName”); myUnits = (int) productsDataReader.GetOrdinal(“UnitsInStock”);
Correct Answers: B

10.You create a .NET Remoting object named AdminService, which is hosted in Internet Information Services (IIS). The object uses an HttpChannel and a BinaryFormatter. AdminService is in an assembly named AdminService.dll. The URL
for AdminService is http://LocalHost/AdminService/AS.rem. You write a test console application named Tester.exe to test the AdminService interface. Tester.exe includes the following code segment:
public class Tester {

public static void Main(string[] Args) { AdminService service = new AdminService();
// Code to exercise the service object.

}

}

You write a configuration file for Tester.exe. The configuration file is named Tester.exe.config and includes the following

code segment:

10.You run Tester.exe. The application immediately throws a System.NullReferenceException. The exception includes

the following message: “Object reference not set to an instance of an object.” You need to resolve this exception. What should you do?
A: To the application element of the Tester.exe.config file, add the following code segment:

TestInside 70-320

B: Replace the use of the AdminService constructor in Tester.exe with the following code segment:

AdminService service =

(AdminService)Activator.CreateInstance(

typeof(AdminService));

C: At the beginning of the Main method in Tester.exe, add the following line of code: RemotingConfiguration.Configure(“Tester.exe.config”);
D: Rename the configuration file from Tester.exe.config to Tester.config.

Correct Answers: C

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