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Microsoft 070-503 Exam Syllabus Topics:

Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

1. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
The service will authenticate the client applications by using Personal Information Cards.
You write the following code segment. (Line numbers are included for reference only.)
01 public class CustomServiceAuthorizationManager:
02 ServiceAuthorizationManager{
03 protected override bool CheckAccessCore(OperationContext operationContext)
04 {
05 string action = operationContext.RequestContext.RequestMessage.Headers.Action;
06 if (action == "http://tempuri.org/lEnginefUpdate")
07 {
06 foreach (ClaimSet cs in
operationContext.ServiceSecurityContext.AuthorizationContext.ClaimSets)
09 {
10
11
12 return false;
13 }
14 return true;
15 }
16 } ...
17 bool IsEmailValid(string email)
18 {
19 //e-mail validation is performed here;
20 return true;
21 }
You need to ensure that only those client applications that provide a valid email address can execute the Update method.
Which code segment should you insert at line 10?

A) foreach (Claim c in
cs.FindClaims("http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress",
Rights.Identity))
return IsEmailValid(c.Resource.ToString());
B) foreach (Claim c in
cs.FindClaims("http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress",
Rights.PossessProperty))
return IsEmailValid(c.Resource.ToString());
C) foreach (Claim c in
cs.FindClaims("http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress",
String.Empty))
return IsEmailValid(c.Resource.ToString());
D) foreach (Claim c in
cs.FindClaims("http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress",
"PossessProperty"))
return IsEmailValid(c.Resource.ToString());

2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to publish metadata programmatically.
Which two code segments should you use? (Each correct answer presents a complete solution. Choose two.)

A) Option A
B) Option C
C) Option B
D) Option D

3. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You define the following data contract.

You need to identify the structure of the resulting XML instance document. Which structure will the data contract produce?

A) Option A
B) Option C
C) Option B
D) Option D

4. You create a Windows Communication Foundation (WCF) application by using Microsoft .NET Framework 3.5. The desktop client calls the WCF service to query its status. The call can take up to 10 seconds to complete. The client application must remain responsive when querying the service. You need to generate the required proxy.
What should you do?

A) Execute the svcutil /validate /serviceName:MyWCF myServiceHost.exe command.
B) Execute the svcutil http: //localhost:8000/MyWCF /async command.
C) Clear the Generate asynchronous operation check box in the Add Service Reference Settings dialog box.
D) Execute the svcutil myServiceHost.exe /serviceName:MyWCF command.

5. What binding should be used to support sessions?

A) [ServiceContract(SessionMode = SessionMode.Allowed)]
B) [ServiceContract(SessionMode = SessionMode.Required)]
C) [ServiceContract(
ProtectionLevel=ProtectionLevel.EncryptAndSign
SessionMode= SessionMode.Allowed)
)]
D) [ServiceContract(ProtectionLevel=ProtectionLevel.EncryptAndSign)]

Solutions: