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시험 이름: Pro: Windows 7, Enterprise Desktop Support Technician
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시험 이름: Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4
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NO.1 A Windows Communication Foundation (WCF) client uses the following service contract. (Line
numbers are included for reference only.)
01 [ServiceContract]
02 public interface IService
03 {
04 [OperationContract]
05 string Operation1();
06 [OperationContract]
07 string Operation2();
08 }
You need to ensure that all calls to Operation1 and Operation2 from the client are encrypted and signed.
What should you do?
A.Set the ProtectionLevel property in line 01 to EncryptAndSign.
B.Set the ProtectionLevel property in line 04 and line 06 to Sign.
C.Add a SecurityCriticalAttribute for each operation.
D.Add a SecuritySafeCriticalAttribute for each operation.
Answer: A
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NO.2 You are developing an application to update a user' s social status. You need to consume the service
using Windows Communication Foundation (WCF).
The client configuration is as follows.
<system.serviceModel>
<bindings>
<webHttpBinding>
<binding name="SocialConfig">
<security mode="TransportCredentialOnly">
<transport clientCredentialType="Basic"
?realm="Social API" />
</security>
</binding>
</webHttpBinding>
</bindings>
<client>
<endpoint address="http://contoso.com"
binding="webHttpBinding"
bindingConfiguration="SocialConfig"
contract="ISocialStatus"
name="SocialClient" />
</client>
</system.serviceModel>
The service contract is defined as follows.
[ServiceContract]
public interface ISocialStatus
{
[OperationContract]
[WebInvoke(UriTemplate =
"/statuses/update.xml?status={text}")]
void UpdateStatus(string text);
}
Which code segment should you use to update the social status?
A.using (WebChannelFactory<ISocialStatus> factory =
new WebChannelFactory<ISocialStatus>("SocialClient"))
{
factory.Credentials.UserName.UserName = user.Name;
factory.Credentials.UserName.Password = user.Password;
ISocialStatus socialChannel = factory.CreateChannel();
socialChannel.UpdateStatus(newStatus);
}
B.using (ChannelFactory<ISocialStatus> factory =
new WebChannelFactory<ISocialStatus>(typeof(ISocialStatus))) {
factory.Credentials.UserName.UserName = user.Name;
factory.Credentials.UserName.Password = user.Password;
ISocialStatus socialChannel = factory.CreateChannel();
socialChannel.UpdateStatus(newStatus);
}
C.using (ChannelFactory<ISocialStatus> factory =
new ChannelFactory<ISocialStatus>("POST"))
{
factory.Credentials.Windows.ClientCredential.UserName =
user.Name;
factory.Credentials.Windows.ClientCredential.SecurePassword.
SetAt(0, Convert.ToChar(user.Password));
ISocialStatus socialChannel = factory.CreateChannel();
socialChannel.UpdateStatus(newStatus);
}
D.using (WebChannelFactory<ISocialStatus> factory =
new WebChannelFactory<ISocialStatus>(typeof(ISocialClient))) {
factory.Credentials.Windows.ClientCredential.UserName =
user.Name;
factory.Credentials.Windows.ClientCredential.SecurePassword.
SetAt(0, Convert.ToChar(user.Password));
ISocialStatus socialChannel = factory.CreateChannel();
socialChannel.UpdateStatus(newStatus);
}
Answer: A
Microsoft자료 070-521자료 070-521
NO.3 You are adding a Windows Communication Foundation (WCF) service to an existing application. The
application is configured as follows. (Line numbers are included for reference only.)
01?<configuration>
02 <system.serviceModel>
03 <services>
04 <service name="Contoso.Sales.StockService"
05 behaviorConfiguration="MetadataBehavior">
06 <host>
07 <baseAddresses>
08 <add
baseAddress="http://contoso.com:8080/StockService" />
09 </baseAddresses>
10 </host>
11 </service>
12 </services>
13 <behaviors>
14 <serviceBehaviors>
15 <behavior name="MetadataBehavior">
16 </behavior>
NO.4 </behaviors>
...
You need to configure the service to publish the service metadata.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)
A.Add the following XML segment between lines 10 and 11.
<endpoint?address=""
binding="mexHttpBinding"
contract="IMetadataExchange"
/>
B.Add the following XML segment between lines 10 and 11.
<endpoint?address=""
binding="basicHttpBinding"
contract="IMetadataExchange"
/>
C.Add the following XML segment between lines15 and 16.
<serviceDiscovery>
<announcementEndpoints>
<endpoint address=""/>
</announcementEndpoints>
</serviceDiscovery>
D.Add the following XML segment between lines 15 and 16
<serviceMetadata httpGetEnabled="true"/>
Answer: AD
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17.Four Windows Communication Foundation (WCF) services are hosted in Microsoft Internet
Information Services (IIS). No behavior configuration exists in the web.config file.
You need to configure the application so that every service and endpoint limits the number of concurrent
calls to 50 and the number of concurrent sessions to 25.
Which XML segment should you add to the system.serviceModel configuration section of the web.config
file?
A.<behaviors>
<serviceBehaviors>
<behavior name="*">
<serviceThrottling maxConcurrentCalls="50" maxConcurrentSessions="25"/> </behavior>
</serviceBehaviors>
</behaviors>
B.<behaviors>
<serviceBehaviors>
<behavior name="default">
<serviceThrottling maxConcurrentCalls="50" maxConcurrentSessions="25"/> </behavior>
</serviceBehaviors>
</behaviors>
C.<behaviors>
<serviceBehaviors>
<behavior name="">
<serviceThrottling maxConcurrentCalls="50" maxConcurrentSessions="25"/> </behavior>
</serviceBehaviors>
</behaviors>
D.<behaviors>
<serviceBehaviors>
<behavior name="ALL">
<serviceThrottling maxConcurrentCalls="50" maxConcurrentSessions="25"/> </behavior>
</serviceBehaviors>
</behaviors>
Answer: C
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18.The endpoint of a Windows Communication Foundation (WCF) service uses basicHttpBinding for its
binding. Your company's policies have changed to require that messages not be sent in clear text.
You must ensure that all messages are encrypted when traveling across the network.
What should you do?
A.Set the ProtectionLevel property on the service contract and update the binding attribute in the endpoint
element of the configuration file to wsHttpBinding.
B.Set the ProtectionLevel property on the service contract and update the bindingConfiguration attribute
in the endpoint element of the configuration file to webHttpBinding.
C.Set the PrincipalPermissionAttribute on the service contract and update the binding attribute in the
endpoint element of the configuration file to wsHttpBinding.
D.Set the PrincipalPermissionAttribute on the service contract and update the bindingConfiguration
attribute in the endpoint element of the configuration file to wsHttpBinding.
Answer: A
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NO.5 </serviceBehaviors>
NO.6 A Windows Communication Foundation (WCF) service has a callback contract. You are developing a
client application that will call this service.
You must ensure that the client application can interact with the WCF service.
What should you do?
A.On the OperationContractAttribute, set the AsyncPattern property value to true.
B.On the OperationContractAttribute, set the ReplyAction property value to the endpoint address of the
client.
C.On the client, create a proxy derived from DuplexClientBase<TChannel>.
D.On the client, use GetCallbackChannel<T>.
Answer: C
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NO.7 You are consuming a Windows Communication Foundation (WCF) service in an ASP.NET Web
application. The service interface is defined as follows.
[ServiceContract]
public interface ICatalog
{
[OperationContract]
[WebGet(UriTemplate = "/Catalog/Items/{id}",
ResponseFormat = WebMessageFormat.Json)]
string RetrieveItemDescription(int id);
}
The service is hosted at /Catalog.svc.
You need to call the service using jQuery to retrieve the description of an item as indicated by a variable
named itemId.
Which code segment should you use?
A.$.get(String.format("/Catalog.svc/Catalog/Items/?id={0}", itemId) null,
function (data) {
...
},
"javascript");
B.$.get(String.format("/Catalog.svc/Catalog/Items/{0}", itemId), null,
function (data) {
...
},
"json");
C.$.get(String.format("/Catalog.svc/Catalog/Items/{0}", itemId), null,
function (data) {
...
},
"xml");
D.$.get(String.format("/Catalog.svc/Catalog/Items/id={0}", itemId), null,
function (data) {
...
},
"json");
Answer: B
Microsoft자격증덤프 070-521 IT덤프 070-521자격증 070-521 dump
NO.8 You are creating a Windows Communication Foundation (WCF) service that is implemented as follows.
(Line numbers are included for reference only.)
01 [ServiceContract]
02 [ServiceBehavior(IncludeExceptionDetailsInFaults = true)]
03 public class OrderService
04 {
05 [OperationContract]
06 public void SubmitOrder(Order anOrder)
07 {
08 try
09 {
10 ...
11 }
12 catch(DivideByZeroException ex)
13 {
15 }
16 }
17 }
You need to ensure that the stack trace details of the exception are not included in the error information
sent to the client.
What should you do?
A.Replace line 14 with the following line.
throw;
B.Replace line 14 with the following line.
throw new FaultException<Order>(anOrder, ex.ToString());
C.After line 05, add the following line.
[FaultContract(typeof(FaultException<Order>))]
Replace line 14 with the following line.
throw ex;
D.After line 05, add the following line.
[FaultContract(typeof(FaultException<Order>))]
Replace line 14 with the following line.
throw new FaultException<Order>(anOrder, "Divide by zero exception");
Answer: D
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