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

2. You are designing a process for deploying an ASP.NET MVC 2 Web application to IIS 6.0.
You need to ensure that the Web application properly handles Web requests.
Which approach should you recommend?

A) Modify the Web application to route all requests to an HttpModule class.
B) Configure IIS to map all requests to aspnet_wp.exe by using a wildcard script map.
C) Modify the Web application to route all requests to an HttpHandler class.
D) Configure IIS to map all requests to aspnet_isapi.dll by using a wildcard script map.

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

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. 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) 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) catch (Exception ex){ Trace.WriteLine(ex.Message); try{ sqlTran.Rollback(); } catch (Exception exRollback){ Trace.WriteLine(exRollback.Message); }} finaly { sqltran.commit( );}}

5. You create an ASP.NET page that contains the following tag.
<h1 id="hdr1" runat="server">Page Name</h1>
You need to write code that will change the contents of the tag dynamically when the page is loaded. What
are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose
two.)

A) (hdr1.Parent as HtmlGenericControl).InnerText = "Text";
B) this.hdr1.InnerHtml = "Text";
C) HtmlGenericControl h1 = Parent.FindControl("hdr1") as HtmlGenericControl; h1.InnerText = "Text";
D) HtmlGenericControl h1 = this.FindControl("hdr1") as HtmlGenericControl; h1.InnerText = "Text";

Solutions: