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Microsoft 70-516 Exam Syllabus Topics:

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

1. You have been assigned the task of writing code that executes an Entity SQL query that returns entity type
objects that contain a property of a complex type.
(Line numbers are included for reference only.)
01 using (EntityCommand cmd = conn.CreateCommand())
02 {
03 cmd.CommandText = esqlQuery;
04 EntityParameter param = new EntityParameter();
05 param.ParameterName = "id";
06 param.Value = 3;
07 cmd.Parameters.Add(param);
08 using (EntityDataReader rdr = cmd.ExecuteReader
(CommandBehavior.SequentialAccess))
09 {
10 while (rdr.Read())
11 {
12 ...
13 Console.WriteLine("Email and Phone Info:");
14 for (int i = 0; i < nestedRecord.FieldCount; i++)
15 {
16 Console.WriteLine(" " + nestedRecord.GetName(i) + ": " +
nestedRecord.GetValue(i));
17 }
18 }
19 }
20 }
Which code segment should you insert at line 12?

A) ComplexDataRecord nestedRecord = rdr["EmailPhoneComplexProperty"]
B) DbDataRecord nestedRecord = rdr["EmailPhoneComplexProperty"]
C) DataSet nestedRecord = rdr["EmailPhoneComplexProperty"] as ComplexDataSet
D) DbDataRecord nestedRecord = rdr["EmailPhoneComplexProperty"] as DbDataRecord;

2. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application uses the ADO.NET Entity Framework to model persistence-ignorant entities. The
application operates in a disconnected mode.
You need to ensure that changes made to local entities while the application is in the disconnected mode
are correctly persisted.
Which method should you call before persisting changes?

A) ObjectStateEntry.SetModifiedProperty
B) ObjectContext.Refresh
C) ObjectStateEntry.AcceptChanges
D) DataContext.AcceptAllChanges

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 to retrieve data from the
database.
You need to enable query plan caching. Which object should you use?

A) EntityConnection
B) EntityCommand
C) EntityDataReader
D) EntityTransaction

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 your entities.
The application connects to a Microsoft SQL Server 2008 database named AdventureWorks by using
Windows Authentication.
Information about the required Entity Data Model (EDM) is stored in the following files:
-model.csdl
-model.ssdl
-model.msl
These files are embedded as resources in the MyCompanyData.dll file.You need to define the connection
string
that is used by the application. Which connection string should you add to the app.config file?

A) <add name="AdventureWorksEntities" connectionString="metadata=res://MyComparny.Data,Culture=neutral,PublicKeyToken=null/
model.csdIl res://MyCompany.Data,Culture=neutral, PublicKeyToken=null/model.ssdl| res://MyCompany.Data,Culture=neutral, PublicKeyToken=null/model.msl; provider=System.Data.EntityClient; provider connection string='DataSource=localhost;Initial Catalog=AdventureWorks;lntegrated
Security=True;multipleactivesuitsets=true'"
providerName="System.Data.SqlClient"/>
B) <add name="AdventureWorksEntities" connectionString="metadata=res://MyComparny.Data,Culture=neutral,PublicKeyToken=null/
model.csdIl
res://MyComparny.Data,Culture=neutral,PublicKeyToken=null/model.ssdIl
res://MyComparny.Data,Culture=neutral,PublicKeyToken=null/model.msl;
provider=System.Data.OleDBClient;
provider connection string='Provider=sqloledb;DataSource=localhost;Initial
Catalog=AdventureWorks;lntegrated Security=SSPI;multipleactivesuitsets=true'"
providerName="System.Data.EntityClient"/>
C) <add name="AdventureWorksEntities" connectionString="metadata=res://MyComparny.Data,Culture=neutral,PublicKeyToken=null/
model.csdIl res://MyCompany.Data,Culture=neutral, PublicKeyToken=null/model.ssdl| res://MyCompany.Data,Culture=neutral, PublicKeyToken=null/model.msl; provider=System.Data.SqlClient; provider connection string='DataSource=localhost;Initial Catalog=AdventureWorks;lntegrated
Security=True;multipleactivesuitsets=true'"
providerName="System.Data.EntityClient"/>
D) <add name="AdventureWorksEntities" connectionString="metadata=res://MyComparny.Datamodel.csdl| res://MyCompany.Data.model.ssdl| res://MyCompany.Data.model.msl; provider=System.Data.SqlClient; provider connection string='DataSource=localhost;Initial Catalog=AdventureWorks;lntegrated
Security=SSPI;multipleactivesuitsets=true'"
providerName="System.Data.EntityClient"/>

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application uses the ADO.NET Entity Framework to model entities.
The application includes a Customer entity along with a CustomerKey property of the Guid type as shown in
the following exhibit:

You discover that when the application adds a new instance of a Customer, calling the SaveChanges
method
results in the following error message: "Server generated keys are only supported for identity columns."
You need to ensure that the application can add new Customer entities. What should you do?

A) Call the ObjectContext.Attach method before saving a Customer entity.
B) Call the ObjectContext.CreateEntityKey method before saving a Customer entity.
C) Add a handler for the ObjectContext.ObjectMaterialized event. In the event handler, set the CustomerKey value.
D) Add a handler for the ObjectContext.SavingChanges event. In the event handler, set the CustomerKey value.

Solutions: