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Microsoft 070-516 Exam Syllabus Topics:

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

1. You are developing a WCF data service that will expose an existing Entity Data Model (EDM). You have the following requirements:
-Users must be able to read all entities that are exposed in the EDM.
-Users must be able to update or replace the SalesOrderHeader entities.
-Users must be prevented from inserting or deleting the SalesOrderHeader entities
You need to ensure that the data service meets the requirements. Which code segment should you use in the Initialize method?

A) config.SetEntitySetAccessRule("*", EntitySetRights.AllRead); config.SetEntitySetAccessRule("SalesOrderHeader", EntitySetRights.WriteAppend |
EntitySetRights.WriteDelete);
B) config.SetEntitySetAccessRule("*", EntitySetRights.AllRead); config.SetEntitySetAccessRule("SalesOrderHeader", EntitySetRights.WriteMerge | EntitySetRights.WriteReplace);
C) config.SetEntitySetAccessRule("*", EntitySetRights.AllRead); config.SetEntitySetAccessRule("SalesOrderHeader", EntitySetRights.All);
D) config.SetEntitySetAccessRule("*", EntitySetRights.AllRead); config.SetEntitySetAccessRule("SalesOrderHeader", EntitySetRights.AllWrite);

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 2008 database. The database includes a table that
contains information about all the employees.
The database table has a field named EmployeeType that identifies whether an employee is a Contractor or
a Permanent employee.
You declare the Employee entity base type. You create a new Association entity named Contractor that
inherits the Employee base type.
You need to ensure that all Contractors are bound to the Contractor class. What should you do?

A) Modify the .edmx file to include the following line of code: <NavigationProperty Name="Type" FromRole="EmployeeType" ToRole="Contractor" />
B) Use the Entity Data Model Designer to set up an association between the Contractor class and EmployeeType.
C) Modify the .edmx file to include the following line of code: <Condition ColumnName="EmployeeType" Value="Contractor" />
D) Use the Entity Data Model Designer to set up a referential constraint between the primary key of the Contractor class and EmployeeType.

3. You use Microsoft Visual Studio 2010 and the 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.
You define a foreign key between the Customers and Orders tables in the database.
You need to ensure that when you delete a customer record, the corresponding order records are deleted.
You want to achieve this goal by using the minimum amount of development effort. What should you do?

A) Remove the foreign key between the Customers and Orders tables.
B) Modify the foreign key between the Customers and Orders tables to enable the ON DELETE CASCADE option.
C) Override the Delete operation of the customer entity.
D) Use the ExecuteDynamicDelete method of the DataContext object.

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.
You use Plain Old CLR Objects (POCO) entities along with snapshot-based change tracking. The code
accesses the POCO entities directly.
You need to ensure that the state manager synchronizes when changes are made to the object graph.
Which ObjectContext method should you call?

A) ApplyPropertyChanges
B) DetectChanges
C) SaveChanges
D) Refresh

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create a Windows
Communication
Foundation (WCF) Data Services service. You deploy the service to the following URL: http://contoso.com/
Northwind.svc.
You want to query the WCF Data Services service to retrieve a list of customer objects.
You need to ensure that the query meets the following requirements:
-Only customers that match the following filter criteria are retrieved: City="Seattle" AND Level > 200.
-Data is sorted in ascending order by the ContactName and Address properties. Which URL should you use for the query?

A) http://contoso.com/Northwind.svc/Customers?City=Seattle & Level gt 200 & $orderby=ContactName,Address
B) http://contoso.com/Northwind.svc/Customers?City=Seattle & Level gt 200 & $orderby=ContactName and Address
C) http://contoso.com/Northwind.svc/Customers?$filter=City eq 'Seattle' and Level gt 200 & $orderby=ContactName,Address
D) http://contoso.com/Northwind.svc/Customers?$filter=City eq 'Seattle' and Level gt 200 & $orderby=ContactName and Address

Solutions: