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Microsoft 070-516 Exam Syllabus Topics:

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

1. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application.
You use the ADO.NET Entity Framework Designer to model entities. The application includes two
ObjectContext instances named context1 and context2.
You need to persist the changes in both object contexts within a single transaction. Which code segment
should you use?

A) using (TransactionScope scope = new TransactionScope()) { using (TransactionScope scope1 = new TransactionScope (TransactionScopeOption.RequireNew)) {
context1.SaveChanges();
}
using (TransactionScope scope2 = new TransactionScope
(TransactionScopeOption.RequireNew))
{
context2.SaveChanges();
}
}
B) using (TransactionScope scope = new TransactionScope()) { using (TransactionScope scope1 = new TransactionScope (TransactionScopeOption.RequireNew))
{
context1.SaveChanges();
scope1.Complete();
}
using (TransactionScope scope2 = new TransactionScope
(TransactionScopeOption.RequireNew))
{
context2.SaveChanges();
scope2.Complete();
}
scope.Complete();
}
C) using (TransactionScope scope = new TransactionScope())
{
context1.SaveChanges();
context2.SaveChanges();
}
D) using (TransactionScope scope = new TransactionScope())
{
context1.SaveChanges();
context2.SaveChanges();
scope.Complete();
}

2. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application updates several Microsoft SQL Server databases within a single transaction.
You need to ensure that after a resource failure, you can manage unresolved transactions. What should
you do?

A) Call the Reenlist method of the TransactionManager class.
B) Call the EnlistDurable method of the Transaction class.
C) Call the RecoveryComplete method of the TransactionManager class.
D) Call the EnlistVolatile method of the Transaction class.

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

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application. You create stored procedures by using the following signatures:
CREATE procedure [dbo].[Product_Insert](@name varchar(50),@price float)
CREATE procedure [dbo].[Product_Update](@id int, @name varchar(50), @price
float)
CREATE procedure [dbo].[Product_Delete](@id int)
CREATE procedure [dbo].[Order_Insert](@productId int, @quantity int)
CREATE procedure [dbo].[Order_Update](@id int, @quantity int,@originalTimestamp
timestamp)
CREATE procedure [dbo].[Order_Delete](@id int)
You create a Microsoft ADO.NET Entity Data Model (EDM) by using the Product and Order entities as shown in the exhibit:

You need to map the Product and Order entities to the stored procedures. To which two procedures should
you add the @productId parameter?
(Each correct answer presents part of the solution. Choose two.)

A) Product_Delete
B) Product_Update
C) Order_Delete
D) Order_Update

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application.
You use the ADO.NET Entity Framework Designer to model entities.
The application includes self-tracking entities as shown in the following diagram.

There is a Person entity names person1 that has TrackChanges turned on.
You need to delete all e-mail addresses that are associated with person1 by using an ObjectContext.
What are two possible code segments that you can use to achieve this goal?
(Each correct answer presents a complete solution. Choose two).

A) person1.EMailAddresses = null; context.SaveChanges();
B) foreach(var email in person1.EMailAddresses){
email.MarkAsDeleted();
}
context.SaveChanges();
C) person1.EMailAddresses = new TrackableCollection<EMailAddress>(); context.SaveChanges();
D) while(person1.EMailAddresses.Count>0){
person1.EmailAddresses.RemoveAt(0);
}
context.SaveChanges();

Solutions: