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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 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 server. You need to ensure that applications authenticate against user information stored in the database before the application is allowed to use the service. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Enable the WCF Authentication Service.
B) Modify the Data Services service to use a Microsoft ASP.NET membership provider.
C) Configure IIS to require Windows authentication.
D) Configure IIS to require basic authentication.
E) Configure IIS to allow anonymous access.

2. 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 create the classes shown in the following exhibit.
You add the following code segment to the application. (Line numbers are included for reference only.)
01 public void QueryPlayers(List <League> leagues) {
02
03 }
You create a LINQ query to retrieve a collection of Player objects.
You need to ensure that the collection includes all the players from each team and every league.
Which code segment should you insert at line 02?

A) var query = leagues.SelectMany(l => l.Teams.Select(t => t.Players));
B) var query = leagues.SelectMany(l => l.Teams.SelectMany(t => t.Players));
C) var query = leagues.Select(l => l.Teams.Select(t => t.Players));
D) var query = leagues.Select(l => l.Teams.SelectMany(t => t.Players));

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

4. 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 uses the following object query
to load a product from the database. (Line numbers are included for reference only.)
01using (AdventureWorksEntities advWorksContext = new AdventureWorksEntities())
02{
03ObjectQuery <Product> productQuery = advWorksContext.Product.Where("it.ProductID = 900");
04
05}
You need to log the command that the query executes against the data source. Which code segment
should you insert at line 04?

A) Trace.WriteLine(((IQueryable)productQuery).Expression);
B) Trace.WriteLine(productQuery.ToString());
C) Trace.WriteLine(productQuery.ToTraceString());
D) Trace.WriteLine(productQuery.CommandText);

5. You deploy an ASP.NET application to an IIS server.
You need to log health-monitoring events with severity level of error to the Windows application event log.
What should you do?

A) Add the following rule to the <healthMonitoring/> section of the web.config file. <rules> <add name="Failures"
eventName="Failure Audits"
provider="EventLogProvider" />
</rules>
B) Add the following rule to the <healthMonitoring/> section of the web.config file. <rules> <add name="Errors" eventName="All Errors" provider="EventLogProvider" /> </rules>
C) Run the aspnet_regiis.exe command.
D) Set the Treat warnings as errors option to All in the project properties and recompile.

Solutions: