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Exam : Microsoft 70-554(C#)
Title : UPGRADE:MCSD MS.NET Skills to MCPD Entpse App Dvlpr Pt2


1. A client application calls a Web service named Math. Both the client application and Math are configured with a Web Services Enhancements (WSE) 3.0 policy named Secure to validate anonymous access for certificate security. A Web reference to the Math Web service is added to the client application's project using Microsoft Visual Studio 2005. When the client application is built and executed, a SoapException exception is thrown with the following message.
The security requirements are not met because the security headeris not included in the incoming message.
You need to ensure that the application runs without throwing the SoapException exception. What should you do?
A. Add the following attribute to the Math proxy class definition.[Microsoft.Web.Services3.Policy("Secure")]
B. Set the Name property for the WebServiceBindingAttribute attribute on the Math proxy class definition to MathWseSoap.
C. Add the following attribute to the Math proxy class definition.[Microsoft.Web.Services3.
Policy("anonymousForCertificateSecurity")]
D. Modify the Math proxy class so that it derives from the following protocol.System.Web.Services.
Protocols.SoapHttpClientProtocol
Answer: A

2. You write an XML Web service. The XML Web service contains Web methods that return large amounts of non-sensitive public data. The data is transferred over the Internet. You need to be able to detect if the data was tampered with during transit. The implementation must be configurable at run time.
Your solution must minimize the impact on the performance of the Web service. What should you do?
A. Configure the virtual directory to require the Secure Sockets Layer (SSL) protocol.
B. Apply Web Services Enhancements (WSE) 3.0 security to the Web service that is configured to use an X.509 certificate with the Sign and Encrypt protection level.
C. Apply Web Services Enhancements (WSE) 3.0 security to the Web service that is configured to use an X.509 certificate with the Sign-Only protection level.
D. Configure the virtual directory that hosts the XML Web service to use basic authentication.
Answer: C

3. You are writing a Web service application that uses Web Services Enhancements (WSE) 3.0 policies. The Web service request and response data must be signed. Routing occurs between the client and server computers, and uses the Action SOAP header of the SOAP messages. You need to ensure that the SOAP signature is not invalidated when the SOAP message is routed. What should you do?
A. In the policy file, set the signatureOptions attribute to IncludeAddressing.
B. In the policy file, set the signatureOptions attribute to IncludeSoapBody.
C. Sign the SOAP request with a UserName token that includes a password to allow the SOAP message to be signed again during routing.
D. Sign a SOAP request that encapsulates the initial SOAP request.
Answer: B

4. A Web service named Math uses Web Service Enhancements (WSE) 0 policy assertions that are defined in the policy configuration file to implement security. The Web service authenticates access to the Web methods using the UsernameOverTransportAssertion policy assertion. A client application must call a
Web method on the Math Web service. When the client application is executed, it throws an InvalidOperationException exception that displays the following text.
Unable to determine client token to use. Client token type
requested was 'Microsoft.Web.Services3.Security.Tokens.UsernameToken'.
The following code is used to invoke the Web method. (Line numbers are included for reference only.)
01 Math ws = new Math();
02 ws.SetPolicy("Secure");
03 int result = ws.Add(3, 4);
You need to ensure that the Web methods can be invoked without causing the client application to throw the InvalidOperationException exception. What should you do?
A. Add the following code between lines 02 and 03.ws.
Credentials = System.Net.CredentialCache.DefaultCredentials;
B. Add the following code between lines 02 and 03.ws.Credentials = new System.Net.NetworkCredentials(userId, password);
C. Add the following code between lines 02 and 03.ws.SetServiceCredential<UsernameToken>(new UsernameToken(userId, password));
D. Add the following code between lines 02 and 03.ws.SetClientCredential<UsernameToken>(new UsernameToken(userId, password));
Answer: D

5. An application uses a Web service named DynamicImage. DynamicImage encrypts all response messages and then compresses these response messages.
The application uses a class named Contoso.Decrypt to decrypt the response messages and it uses a class named Contoso.Decompress to decompress the response messages. Both classes can be used as SOAP extensions. You need to ensure that the response messages from the DynamicImage Web service methods are decompressed and decrypted properly. What should you do?
A. Add the following XML to the <webServices> section of your App.config file.<soapExtensionTypes><add type="Contoso.Decompress, Version=1.0.0.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35"
priority="1" group="0"/><add type="Contoso.Decrypt,
Version=1.0.0.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35" priority="2" group="1"/></soapExtensionTypes>
B. Add the following XML to the <webServices> section of your App.config file.<soapExtensionTypes><add type="Contoso.Decompress, Version=1.0.0.0,
Culture=neutral,
PublicKeyToken=31bf3856ad364e35"
priority="2" group="0"/><add type="Contoso.Decrypt, Version=1.0.0.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35" priority="1" group="0"/></soapExtensionTypes>
C. Add the following XML to the <webServices> section of your App.config file.<soapExtensionTypes><add type="Contoso.Decompress, Version=1.0.0.0,
Culture=neutral,
PublicKeyToken=31bf3856ad364e35"
priority="2" group="1"/><add type="Contoso.Decrypt, Version=1.0.0.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35" priority="1" group="0"/></soapExtensionTypes>
D. Add the following XML to the <webServices> section of your App.config file.<soapExtensionTypes><add type="Contoso.Decompress, Version=1.0.0.0,
Culture=neutral,
PublicKeyToken=31bf3856ad364e35"
priority="1" group="1"/><add type="Contoso.Decrypt, Version=1.0.0.0, Culture=neutral,
　　PublicKeyToken=31bf3856ad364e35" priority="2" group="0"/></soapExtensionTypes>
Answer: A