70-565C++ Exam

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Exam : Microsoft 70-565C++
Title : Pro: Designing and Developing Enterprise Applications Using the Microsoft .NET Framework 3.5


1. You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5.
The application has a class that contains a method named NewEvent. The NewEvent method contains the following code segment.
using (SqlConnection cn = new SqlConnection(connString))
{
SqlCommand cmd = new SqlCommand();
cmd.Connection = cn;
cmd.CommandText = "prcEvent";
cmd.Parameters.Add("@Date", SqlDbType.DateTime, 4);
cmd.Parameters.Add("@Desc", SqlDbType.VarChar, 8000);
cmd.Parameters.Add("@Link", SqlDbType.VarChar, 2048);
cmd.Parameters["@Date"].Value = date;
cmd.Parameters["@Desc"].Value = eventText;
cmd.Parameters["@Link"].Value = eventLink;
cn.Open();
retcode = cmd.ExecuteNonQuery().ToString();
}
During the test process, a user executes the NewEvent method. The method fails and returns the following
error message:
"A stored procedure named prcEvent requires a parameter named @Date."
You need to resolve the error.
What should you do?
A. Set the CommandText property of the cmd object to dbo.prcEvent.
B. Set the CommandType property of the cmd object to CommandType.TableDirect.
C. Set the CommandType property of the cmd object to CommandType.StoredProcedure.
D. Replace the ExecuteNonQuery method of the cmd object with the ExecuteScalar method.
Answer: C

2. You create a Windows Communication Foundation (WCF) application by using Microsoft Visual Studio 2008 and the .NET Framework 3.
You create a WCF service by using the following code segment. (Line numbers are included for reference only.)
01 [ServiceContract]
02 public interface IContosoService
03 {
04 [OperationContract]
05
06 void ProcessTransaction();
07 }
08
09 public class ContosoService : IContosoService
10 {
11 public void ProcessTransaction() {
12 try {
13 BusinessComponent.ProcessTransaction();
14 }
15 catch (ApplicationException appEx) {
16
17 }
18 }
19 }
The BusinessComponent.ProcessTransaction method will only throw exceptions from the ApplicationException type. You plan to debug the WCF service.
You need to ensure that the WCF service meets the following requirements:
Detailed exception information is provided to the client application.
Subsequent calls can be issued to the service by using the same proxy intance after an exception is caught in the client application.
What should you do?
A. Add the following code segment at line 08.
[ServiceBehavior(IncludeExceptionDetailInFaults=true)]
Add the following code segment at line 16.
throw appEx;
B. Add the following code segment at line 05.
[FaultContract(typeof(ApplicationException))]
Add the following code segment at line 16.
throw appEx;
C. Add the following code segment at line 08.
[ServiceBehavior(IncludeExceptionDetailInFaults=true)]
Add the following code segment at line 16.
throw new FaultException<ApplicationException>(appEx);
D. Add the following code segment at line 05.
[FaultContract(typeof(ApplicationException))]
Add the following code segment at line 16.
throw new FaultException<ApplicationException>(appEx);
Answer: D

3. You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5.
The application includes a component. The component will be referenced by the .NET and COM applications.
The component contains the following code segment.
public class Employee
{
public Employee(string name)
{
}
}
The .NET and COM applications must perform the following tasks:
Create objects of the Employee type.
use these objects to access the employee details.
You need to ensure that the .NET and COM applications can consume the managed component.
What should you do?
A. Change the Employee class to a generic class.
B. Change the constructor to a no-argument constructor.
C. Set the access modifier of the class to internal.
D. Set the access modifier of the constructor to protected.
Answer: B

4. You create applications by using Microsoft Visual Studio .NET 2008 and the .NET Framework 5.
You deploy a new Windows Forms application in a test environment. During the test process, an error message that includes an incomplete stack trace is reported.
You review the following code segment that has caused the error.
public int AddNewMission(DateTime date, string mission, string missionLink)
{
try
{
DALCode pgr = new DALCode("cnWeb");
int retcode = pgr.AddNewMission(date, mission, missionLink);
return retcode;
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
finally
{
pgr.Dispose();
}
}
You need to modify the code segment to display the entire stack trace.
What should you do?
A. Remove the CATCH block.
B. Remove the FINALLY block.
C. Add a Using block to the TRY block.
D. Replace the THROW statement in the CATCH block with throw(ex).
Answer: A

5. You create a Windows Forms application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5.
The application contains the following code segment.
public DataSet GetProductByID(string ProductID)
{
DataSet ds = new DataSet("ProductList");
string SqlSelectCommand = "Select * FROM PRODUCTS WHERE
PRODUCTID=" + ProductID;
try
{
SqlDataAdapter da = new SqlDataAdapter();
SqlConnection cn = new SqlConnection(GetConnectionString());
SqlCommand cmd = new SqlCommand(SqlSelectCommand);
cmd.CommandType = CommandType.Text;
cn.Open();
da.Fill(ds);
cn.Close();
}
catch (Exception ex)
{
string msg = ex.Message.ToString();
//Perform Exception Handling Here
}
return ds;
}
You need to ensure that the code segment is as secure as possible.
What should you do?
A. Ensure that the connection string is encrypted.
B. Use a StringBuilder class to construct the SqlSelectCommand string.
C. Add a parameter to the cmd object and populate the object by using the ProductID string.
D. Replace the SELECT * statement in the SqlSelectCommand string with the SELECT <column list> statement.
Answer: C