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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 .NET Framework 4 to create an application. You use Microsoft ADO.NET Entity Data Model (EDM) to model entities. You create an entity named Person with a schema defined by the following XML fragment.
<EntityType Name="CPerson">
<Key>
<PropertyRef Name="PersonId" />
</Key>
<Property Name="PersonId" Type="Int32" Nullable="false" />
<Property Name="CompanyName" Type="String" />
<Property Name="ContactName" Type="String" />
<Property Name="ContactTitle" Type="String" />
<Property Name="Address" Type="String" /> </EntityType>
You need to ensure that entities within the application are able to add properties related to the city, region, and country of Person's address. What should you do?

A) "Create a new complex type named CAddress that contains the properties for city, region, and country. "Change the Type of the Address property in CPerson to "Self.CAddress".
B) "Create a new entity named Address. "Add a person ID property to filter the results to display only the City, Region, and Country properties for a specific Person entity.
C) "Create a SubEntity named Address. "Map the SubEntity to a stored procedure that retrieves city, region, and country.
D) "Create a view named Name that returns city, region, and country along with person IDs. "Add a WHERE clause to filter the results to display only the City, Region and Country properties for a specific Person entity.

2. You are creating a Windows Communication Foundation (WCF) service that implements operations in a
RESTful manner.
You need to add a delete operation.
You implement the delete method as follows.
string void DeleteItems(string id);
You need to configure WCF to call this method when the client calls the service with the HTTP DELETE
operation. What should you do?

A) Add the HttpDelete attribute to the operation.
B) Add the WebInvoke(UriTemplate = "/Items/{id}",Method="DELETE") attribute to the operation.
C) Replace the string parameter with a RemovedActivityAction parameter.
D) Replace the return type with RemovedActivityAction.

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The
application connects to a Microsoft SQL Server database. You write the following code segment that
executes two commands against the database within a transaction. (Line numbers are included for
reference only.)
01using (SqlConnection connection = new SqlConnection(cnnStr)) {
02connection.Open();
03SqlTransaction sqlTran = connection.BeginTransaction();
04SqlCommand command = connection.CreateCommand();
05command.Transaction = sqlTran;
06try {
07command.CommandText = "INSERT INTO Production.ScrapReason(Name) VALUES('Wrong size')";
08command.ExecuteNonQuery();
09command.CommandText = "INSERT INTO Production.ScrapReason(Name) VALUES('Wrong color')";
10command.ExecuteNonQuery();
11
12}
You need to log error information if the transaction fails to commit or roll back.
Which code segment should you insert at line 11?

A) catch (Exception ex) { sqlTran.Rollback(); Trace.WriteLine(ex.Message); } finaly { try { sqltran.commit( ); } catch (Exception exRollback) { Trace.WriteLine(excommit.Message); }}
B) catch (Exception ex){ Trace.WriteLine(ex.Message); try{ sqlTran.Rollback(); } catch (Exception exRollback){ Trace.WriteLine(exRollback.Message); }} finaly { sqltran.commit( );}}
C) sqlTran.Commit(); } catch (Exception ex) { sqlTran.Rollback(); Trace.WriteLine(ex.Message); }
D) sqlTran.Commit(); } catch (Exception ex) { Trace.WriteLine(ex.Message); try {
sqlTran.Rollback();
}
catch (Exception exRollback) {
Trace.WriteLine(exRollback.Message);
} } }

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

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The
application connects to a Microsoft SQL Server database. The application has two DataTable objects that
reference the Customers and Orders tables in the database. The application contains the following code
segment. (Line numbers are included for reference only.
01DataSet customerOrders = new DataSet();
02customerOrders.EnforceConstraints = true;
03ForeignKeyConstraint ordersFK = new ForeignKeyConstraint("ordersFK",
04customerOrders.Tables["Customers"].Columns["CustomerID"],
05customerOrders.Tables["Orders"].Columns["CustomerID"]);
06
07customerOrders.Tables["Orders"].Constraints.Add(ordersFK);
You need to ensure that an exception is thrown when you attempt to delete Customer records that have
related Order records. Which code segment should you insert at line 06?

A) ordersFK.DeleteRule = Rule.None;
B) ordersFK.DeleteRule = Rule.Cascade;
C) ordersFK.DeleteRule = Rule.SetNull;
D) ordersFK.DeleteRule = Rule.SetDefault;

Solutions: