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Microsoft UPG:Transition MCPD.NET Frmwrk 3.5 Web Dev to 4 Web Dev Sample Questions:

1. You use Microsoft Visual Studio 2010 and Microsoft ADO.NET Framework 4 to create an application. The application connects to a Microsoft SQL Server 2008 database. You use the ADO.NET LINQ to SQL model to retrieve data from the database. You use stored procedures to return multiple result sets. You need to ensure that the result sets are returned as strongly typed values. What should you do?

A) Apply the FunctionAttribute and ResultTypeAttribute to the stored procedure function. Use the GetResult <TElement> method to obtain an enumerator of the correct type.
B) Apply the ParameterAttribute to the stored procedure function. Use the GetResult <TElement> method to obtain an enumerator of the correct type.
C) Apply the ResultTypeAttribute to the stored procedure function and directly access the strongly typed object from the results collection.
D) Apply the FunctionAttribute and ParameterAttribute to the stored procedure function and directly access the strongly typed object from the results collection.

2. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The
application connects to a Microsoft SQL Server 2008 database.
The database includes a database table named ProductCatalog as shown in the exhibit. (Click the Exhibit
button.)
You add the following code segment to query the first row of the ProductCatalog table. (Line numbers are
included for reference only.)
01 using (var cnx = new SqlConnection(connString))
02 {
03 var command = cnx.CreateCommand();
04 command.CommandType = CommandType.Text;
05 command.CommandText ="SELECT TOP 1 * FROM dbo.ProductCatalog";
06 cnx.Open();
07 var reader = command.ExecuteReader();
08 if (reader.Read()) {
09 var id = reader.GetInt32(0);
10
11 reader.Close();
12 }
13 }
You need to read the values for the Weight, Price, and Status columns.
Which code segment should you insert at line 10?
Exhibit:

A) var weight = reader.GetFloat(1); var price = reader.GetDouble(2); var status = reader.GetByte(3);
B) var weight = reader.GetDouble(1); var price = reader.GetDecimal(2); var status = reader.GetBoolean(3);
C) var weight = reader.GetDecimal(1); var price = reader.GetFloat(2); var status = reader.GetByte(3);
D) var weight = reader.GetDouble(1); var price = reader.GetFloat(2); var status = reader.GetBoolean(3);

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. You are
creating the data layer of the application. You write the following code segment. (Line numbers are included
for reference only.)
01 public static SqlDataReader GetDataReader(string sql){
02 SqlDataReader dr;
03
04 return dr;
05 }
You need to ensure that the following requirements are met:
*The SqlDataReader returned by the GetDataReader method can be used to retrieve rows from the
database.
*SQL connections opened within the GetDataReader method will close when the SqlDataReader is closed.
Which code segment should you insert at line 03?

A) SqlConnection cnn=new SqlConnection(strCnn); SqlCommand cmd =new SqlCommand(sql, cnn); cnn.Open(); try {
dr = cmd.ExecuteReader();
cnn.Close();
}
catch {
throw;
}
B) SqlConnection cnn=new SqlConnection(strCnn); SqlCommand cmd =new SqlCommand(sql, cnn); cnn.Open(); try {
dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
}
catch {
cnn.Close();
throw;
}
C) using (SqlConnection cnn=new SqlConnection(strCnn)){
try {
SqlCommand cmd =new SqlCommand(sql, cnn);
cnn.Open();
dr = cmd.ExecuteReader();
}
catch {
throw;
}
}
D) SqlConnection cnn=new SqlConnection(strCnn); SqlCommand cmd =new SqlCommand(sql, cnn); cnn.Open(); try {
dr = cmd.ExecuteReader();
}
finally {
cnn.Close();
}

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. You use the ADO.NET Entity Data Model (EDM) to define a Customer entity. You need to add a new Customer to the data store without setting all the customer's properties. What should you do?

A) Call the CreateObject method of the Customer object.
B) Call the Create method of the Customer object.
C) Override the SaveChanges method for the Customer object.
D) Override the Create method for the Customer object.

5. You need to recommend appropriate technologies for designing Web forms for entry and retrieval of news
items.
Which technologies should you recommend? (Each correct answer presents a complete solution. Choose
two.)

A) Entity Framework and Microsoft Silverlight
B) ASP.NET MVC 2 and Microsoft AJAX
C) WCF Data Services and jQuery
D) ASMX and SOAP

Solutions: