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Microsoft 70-516 Exam Syllabus Topics:

Microsoft TS: Accessing Data with Microsoft .NET Framework 4 Sample Questions:

Question #1
You use Microsoft .NET Framework 4.0 to develop an ASP.NET application. The application uses
Integrated Windows authentication.
The application accesses data in a Microsoft SQL Server 2008 database that is located on the same server
as the application.
You use the following connection string to connect to the database.
Integrated Security=SSPI; Initial Catalog=AdventureWorks;
The application must also execute a stored procedure on the same server on a database named pubs.
Users connect to the ASP.NET application through the intranet by using Windows-based authentication.
You need to ensure that the application will use connection pooling whenever possible and will keep the
number of pools to a minimum.
Which code segment should you use?

A. command.CommandText = "USE [pubs]; exec uspLoginAudit;"; using (SqlConnection connection = new SqlConnection( "Initial Catalog=AdventureWorks; Integrated Security=SSPI; MultipleActiveResultSets=True")) {
connection.Open();
command.ExecuteNonQuery();
}
B. command.CommandText = "exec uspLoginAudit;"; using (SqlConnection connection = new SqlConnection( "Integrated Security=SSPI; Initial Catalog=pubs")) {
connection.Open();
command.ExecuteNonQuery();
}
C. command.CommandText = "exec uspLoginAudit;";
using (SqlConnection connection = new SqlConnection( "Integrated Security=SSPI;")) {
connection.Open();
command.ExecuteNonQuery();
}
D. command.CommandText = "USE [pubs]; exec uspLoginAudit;"; using (SqlConnection connection = new SqlConnection( "Integrated Security=SSPI; Initial Catalog=AdventureWorks")) {
connection.Open();
command.ExecuteNonQuery();
}

Question #2
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application connects to a Microsoft SQL Server database. The application uses DataContexts to query
the database.
The application meets the following requirements:
-Stores customer data offline.
-Allows users to update customer records while they are disconnected from the server.
-Enables offline changes to be submitted back to the SQL Server by using the DataContext object.
You need to ensure that the application can detect all conflicts that occur between the offline customer information submitted to the SQL Server and the server version. You also need to ensure that you can roll back local changes. What should you do?

A. Call the SubmitChanges method of the DataContext object. Pass System.Data.Linq.ConflictMode.ContinueOnConflict to the method.
B. Override the Update operation of the DataContext object. Call the ExecuteDynamicUpdate method to generate the update SQL.
C. Add a try/catch statement around calls to the SubmitChanges method of the DataContext object and catch ChangeConflictExceptions.
D. Add a try/catch statement around calls to the SubmitChanges method of the DataContext object and catch SqlExceptions.

Question #3
You need to write a LINQ query that can be used against a ContosoEntities context object named context to
find all
parts that have a duplicate name. Which of the following queries should you use?
(Each correct answer presents a complete solution. Choose two).

A. context.Parts.SelectMany(p => context.Parts.Select(q => p.Name == q.Name && p.Id != q.Id));
B. context.Parts.Where(p => context.Parts.Any(q => q.Name == p.Name && p.Id != q.Id);
C. context.Parts.Any(p => context.Parts.Any(q => p.Name == q.Name));
D. context.Parts.GroupBy(p => p.Name).Where(g => g.Count() > 1).SelectMany(x => x);

Question #4
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application. You use the ADO.NET Entity Framework to model entities. You write the following code segment. (Line numbers are included for reference only.)
01 AdventureWorksEntities context = new AdventureWorksEntities("http://
localhost:1234/AdventureWorks.svc");
02 ...
03 var q = from c in context.Customers
04 where c.City == "London"
05 orderby c.CompanyName
06 select c;
You need to ensure that the application meets the following requirements:
-Compares the current values of unmodified properties with values returned from the data source.
-Marks the property as modified when the properties are not the same. Which code segment should you insert at line 02?

A. context.MergeOption = MergeOption.AppendOnly;
B. context.MergeOption = MergeOption.OverwriteChanges;
C. context.MergeOption = MergeOption.NoTracking;
D. context.MergeOption = MergeOption.PreserveChanges;

Question #5
You use Microsoft .NET Framework 4.0 to develop an application that connects to a Microsoft SQL Server
2008 database.
You add the following table to the database.
CREATE TABLE Orders( ID numeric(18, 0) NOT NULL, OrderName varchar(50) NULL, OrderTime time(7) NULL, OrderDate date NULL)
You write the following code to retrieve data from the OrderTime column. (Line numbers are included for reference only.)
01 SqlConnection conn = new SqlConnection("...");
02 conn.Open();
03 SqlCommand cmd = new SqlCommand("SELECT ID, OrderTime FROM Orders", conn);
04 SqlDataReader rdr = cmd.ExecuteReader();
05 ....
06 while(rdr.Read())
07 {
08 ....
09 }
You need to retrieve the OrderTime data from the database. Which code segment should you insert at line 08?

A. string time = (string)rdr[1];
B. DateTime time = (DateTime)rdr[1];
C. TimeSpan time = (TimeSpan)rdr[1];
D. Timer time = (Timer)rdr[1];

Solutions: