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

2. 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="ALL"> <serviceThrottling maxConcurrentCalls="50" maxConcurrentSessions="25"/> </behavior>
</serviceBehaviors>
</behaviors>
B) <behaviors> <serviceBehaviors> <behavior name="*"> <serviceThrottling maxConcurrentCalls="50" maxConcurrentSessions="25"/> </behavior>
</serviceBehaviors>
</behaviors>
C) <behaviors> <serviceBehaviors> <behavior name="default"> <serviceThrottling maxConcurrentCalls="50" maxConcurrentSessions="25"/> </behavior>
</serviceBehaviors>
</behaviors>
D) <behaviors> <serviceBehaviors> <behavior name=""> <serviceThrottling maxConcurrentCalls="50" maxConcurrentSessions="25"/> </behavior>
</serviceBehaviors>
</behaviors>

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Communication Foundation (WCF) Data Services service. The service connects to a Microsoft SQL Server 2008 database. The service is hosted by an Internet Information Services (IIS) 6.0 Web server.
The application works correctly in the development environment. However, when you connect to the service on the production server, attempting to update or delete an entity results in an error. You need to ensure that you can update and delete entities on the production server. What should you do?

A) Add the following line of code to the InitializeService method of the service. config.SetEntitySetAccessRule ("*",EntitySetRights.WriteDelete | EntitySetRights.WriteInsert);
B) Add the following line of code to the InitializeService method of the service. config.SetEntitySetAccessRule ("*",EntitySetRights.WriteDelete | EntitySetRights.WriteMerge);
C) Configure IIS to allow the PUT and DELETE verbs for the .svc Application Extension.
D) Configure IIS to allow the POST and DELETE verbs for the .svc Application Extension.

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The
application uses the ADO.NET Entity Framework to model entities. The application allows users to make
changes to entities while disconnected from the central data store.
You need to ensure that when the user connects to the central data store and retrieves new data, the
application meets the following requirements:
*Changes made to the local data store in disconnected mode are preserved.
*Entities that have already been loaded into the local data store, but have not been modified by the user,
are updated with the latest data.
What should you do?

A) Call the Refresh method of ObjectContext by using the RefreshMode.StoreWins option.
B) Call the Refresh method of ObjectContext by using the RefreshMode.ClientWins method.
C) Call the query's Execute method by using the MergeOptions.AppendOnly option.
D) Call the query's Execute method by using the MergeOptions.OverwriteChanges option.

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. You use Entity SQL of the ADO.NE Entity Framework to retrieve data from the database. You need to define a custom function in the conceptual model. You also need to ensure that the function calculates a value based on properties of the object. Which two XML element types should you use? (Each correct answer presents part of the solution. Choose two.)

A) DefiningExpression
B) Association
C) FunctionImport
D) Dependent
E) Function

Solutions: