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

1. You use Microsoft Visual Studio 2010, Microsoft Sync Framework, and Microsoft .NET Framework 4.0 to
create an application.
You have a ServerSyncProvider connected to a Microsoft SQL Server database. The database is hosted on
a Web server.
Users will use the Internet to access the Customer database through the ServerSyncProvider.
You write the following code segment. (Line numbers are included for reference only.)
01 SyncTable customerSyncTable = new SyncTable("Customer");
02 customerSyncTable.CreationOption =
TableCreationOption.UploadExistingOrCreateNewTable;
03 ...
04 customerSyncTable.SyncGroup = customerSyncGroup;
05 this.Configuration.SyncTables.Add(customerSyncTable);
You need to ensure that the application meets the following requirements:
-Users can modify data locally and receive changes from the server.
-Only changed rows are transferred during synchronization. Which code segment should you insert at line 03?

A) customerSyncTable.SyncDirection = SyncDirection.DownloadOnly;
B) customerSyncTable.SyncDirection = SyncDirection.Snapshot;
C) customerSyncTable.SyncDirection = SyncDirection.UploadOnly;
D) customerSyncTable.SyncDirection = SyncDirection.Bidirectional;

2. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application. You use the Entity Framework Designer to create the following Entity Data Model.

The application contains a class as shown in the following code segment. (Line numbers are included for
reference only.)
01 public class MyBaseClass : EntityObject
02 {
03 ....
04 }
You need to ensure that all generated entities inherit from MyBaseClass. What should you do?

A) Change MyBaseClass to inherit from ObjectContext.
B) Use the ADO.NET EntityObject Generator template to configure all entities to inherit from MyBaseClass.
C) Modify the generated code file so that all entities inherit from MyBaseClass.
D) Create a new ObjectQuery that uses MyBaseClass as the type parameter.

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.
The application has two DataTable objects that reference the Customers and Orders tables in the
database.
The application contains the following code segment. (Line numbers are included for reference only.)
01 DataSet customerOrders = new DataSet();
02 customerOrders.EnforceConstraints = true;
03 ForeignKeyConstraint ordersFK = new ForeignKeyConstraint("ordersFK",
04 customerOrders.Tables
["Customers"].Columns["CustomerID"],
05 customerOrders.Tables["Orders"].Columns
["CustomerID"]);
06 ...
07 customerOrders.Tables["Orders"].Constraints.Add(ordersFK);
You need to ensure that an exception is thrown when you attempt to delete Customer records that have
related Order records.
Which code segment should you insert at line 06?

A) ordersFK.DeleteRule = Rule.SetDefault;
B) ordersFK.DeleteRule = Rule.SetNull;
C) ordersFK.DeleteRule = Rule.None;
D) ordersFK.DeleteRule = Rule.Cascade;

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application.
You use the Entity Framework Designer to create an Entity Data Model (EDM).
You need to create a database creation script for the EDM. What should you do?

A) Use a new Self-Tracking Entities template.
B) Select Run Custom Tool from the solution menu.
C) Drag entities to Server Explorer.
D) Run the Generate Database command.

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
You use Plain Old CLR objects (POCO) to model your entities.
The application communicates with a Windows Communication Foundation (WCF) Data Services service.
You need to ensure that entities can be sent to the service as XML. What should you do?

A) Apply the [DataContract(IsReference = true)] attribute to the entities.
B) Apply the virtual keyword to the entity properties.
C) Apply the [Serializable] attribute to the entities.
D) Apply the [DataContract(IsReference = false)] attribute to the entities.

Solutions: