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Microsoft 70-516 Exam Syllabus Topics:

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

Question 1

You are adding a process to the application. The process performs the following actions:
1.Opens a ContosoEntities context object named context1.
2.Loads a Part object into a variable named part1.
3.Calls the Dispose() method on context1.
4.Updates the data in part1.
5.Updates the database by using a new ContosoEntities context object named context2.
You need to update the database with the changed data from part1. What should you do?

A. Add the following code segment before calling SaveChanges() on context2:
context2.Attach(part1);
context2.ObjectStateManager.ChangeObjectState(part1,
System.Data.EntitySate.Modified);
B. Add the following code segment before calling SaveChanges() on context2:
context2.ApplyCurrentValues("Parts", part1);
C. Add the following code segment before calling SaveChanges() on context2:
context2.Attach(part1);
context2.ApplyCurrentValues("Parts", part1);
D. Add the following code segment before calling SaveChanges() on context2:
context2.ApplyOriginalValues("Parts", part1);

Question 2

You use Microsoft .NET Framework 4.0 to develop an application that connects to a Microsoft SQL Server
2008 database.
You need to prevent dirty or phantom reads. Which IsolationLevel should you use?

A. Serializable
B. ReadCommited
C. Snapshot
D. ReadUncommited

Question 3

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. You use Entity SQL of the ADO.NET 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. Function
B. FunctionImport
C. Dependent
D. Association
E. DefiningExpression

Question 4

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.
You write the following code segment that executes two commands against the database within a
transaction.
(Line numbers are included for reference only.)
01 using(SqlConnection connection = new SqlConnection(cnnStr)) {
02 connnection.Open();
03 SqlTransaction sqlTran = connection.BeginTransaction();
04 SqlCommand command = connection.CreateCommand();
05 command.Transaction = sqlTran;
06 try{
07 command.CommandText = "INSERT INTO Production.ScrapReason(Name)
VALUES('Wrong size')";
08 command.ExecuteNonQuery();
09 command.CommandText = "INSERT INTO Production.ScrapReason(Name)
VALUES('Wrong color')";
10 command.ExecuteNonQuery();
11 ...
l2 }
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) { sqlTran.Rollback();
Trace.WriteLine(ex.Message);
}
finaly {
try {
sqltran.commit( );
}
catch (Exception exRollback) {
Trace.WriteLine(excommit.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){ Trace.WriteLine(ex.Message); try{
sqlTran.Rollback();
}
catch (Exception exRollback){
Trace.WriteLine(exRollback.Message);
}
}
finaly {
sqltran.commit( );
}
D. sqlTran.Commit(); } catch (Exception ex) {
sqlTran.Rollback();
Trace.WriteLine(ex.Message);
}

Question 5

You use Microsoft .NET Framework 4.0 to develop an application that uses LINQ to SQL.
The Product entity in the LINQ to SQL model contains a field named Productlmage. The Productlmage field
holds a large amount of binary data.
You need to ensure that the Productlmage field is retrieved from the database only when it is needed by the
application. What should you do?

A. Set the Delay Loaded property on the Productlmage property of the Product entity to True.
B. Set the Auto-Sync property on the Productlmage property of the Product entity to Never.
C. Set the Update Check property on the Productlmage property of the Product entity to Never.
D. When the context is initialized, specify that the Productlmage property should not be retrieved by using DataLoadOptions

Solutions: