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Microsoft 070-516 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Control Connections and Context | 18% | - Entity Framework context management
|
| Topic 2: Control Data | 22% | - Data manipulation and concurrency
|
| Topic 3: Query Data | 22% | - Use data access technologies
|
| Topic 4: Model Data | 20% | - Design conceptual and logical data models
|
| Topic 5: Form and Organize Reliable Applications | 18% | - Enterprise data access design
|
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 create an application.
The application connects to a Microsoft SQL Server database. The application uses the ADO.NET Entity
Framework to model entities.
The database includes objects based on the exhibit.
The application includes the following code segment. (Line numbers are included for reference only.)
01 using (AdventureWorksEntities context = new AdventureWorksEntities()){
02 ...
03 foreach (SalesOrderHeader order in customer.SalesOrderHeader){
04 Console.WriteLine(String.Format("Order: {0} ",
order.SalesOrderNumber));
05 foreach (SalesOrderDetail item in order.SalesOrderDetail){
06 Console.WriteLine(String.Format("Quantity: {0} ", item.Quantity));
07 Console.WriteLine(String.Format("Product: {0} ",
item.Product.Name));
08 }
09 }
10 }
You want to list all the orders for a specified customer. You need to ensure that the list contains the following fields:
-Order number
-Quantity of products
-Product name
Which code segment should you insert at line 02?
A) Contact customer = (from contact in context.Contact
include("SalesOrderHeader") select conatct).FirstOrDefault();
B) context.ContextOptions.LazyLoadingEnabled = true;
Contact customer = (from contact in context.Contact
include("SalesOrderHeader.SalesOrderDetail")
select conatct).FirstOrDefault();
C) Contact customer = context.Contact.Where("it.ContactID = @customerId", new ObjectParameter ("customerId", customerId)).First();
D) Contact customer = context.Contact.Where("it.ContactID = @customerId", new ObjectParameter ("@customerId", customerId)).First();
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) Use the Entity Data Model Designer to set up a referential constraint between the primary key of the Contractor class and EmployeeType.
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: <NavigationProperty Name="Type" FromRole="EmployeeType" ToRole="Contractor" />
D) Modify the .edmx file to include the following line of code: <Condition ColumnName="EmployeeType" Value="Contractor" />
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 Data Definition Language (DDL) script of the database contains the following code segment:
CREATE TABLE [Sales].[SalesOrderHeader]( [SalesOrderID] [int] IDENTITY(1,1) NOT NULL, [BillToAddressID] [int] NOT NULL, ... CONSTRAINT [PK_SalesOrderHeader_SalesOrderID] PRIMARY KEY CLUSTERED ([SalesOrderID] ASC) )
ALTER TABLE [Sales].[SalesOrderHeader] WITH CHECK ADD CONSTRAINT [FK_SalesOrderHeader_Address] FOREIGN KEY([BilIToAddressID]) REFERENCES [Person].[Address]([AddressID])
You create an ADO.NET Entity Framework model. You need to ensure that the entities of the model
correctly map to the DDL of the database.
What should your model contain?

A) Option
B) Option
C) Option
D) Option
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 create a DataSet object in the
application.
You add two DataTable objects named App_Products and App_Categories to the DataSet.
You add the following code segment to populate the DataSet object.
(Line numbers are included for reference only.)
01 public void Fill(SqlConnection cnx, DataSet ds)
02 {
03 var cmd = cnx.CreateCommand();
04 cmd.CommandText = "SELECT * FROM dbo.Products; " + "SELECT * FROM
dbo.Categories";
05 var adapter = new SqlDataAdapter(cmd);
06 ...
07 }
You need to ensure that App_Products and App_Categories are populated from the dbo.Products and
dbo.Categories database tables.
Which code segment should you insert at line 06?
A) adapter.TableMappings.Add("Table", "App_Products"); adapter.TableMappings.Add("Table1", "App_Categories"); adapter.Fill(ds);
B) adapter.TableMappings.Add("Products", "App_Products"); adapter.TableMappings.Add("Categories", "App_Categories"); adapter.Fill(ds);
C) adapter.Fill(ds.Tables["App_Products"]); adapter.Fill(ds.Tables["App_Categories"]);
D) adapter.Fill(ds, "Products"); adapter.Fill(ds, "Categories");
5. 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 create the classes shown in the following exhibit:
You add the following code segment to the application. (Line numbers are included for reference only.)
01 public void QueryPlayers (List <League> leagues) {
02 ...
03 }
You create a LINQ query to retrieve a collection of Player objects.
You need to ensure that the collection includes all the players from each team and every league. Which
code segment should you insert at line 02?
A) var query = leagues.SelectMany(l => l.Teams.Select(t => t.Players));
B) var query = leagues.Select(l => l.Teams.SelectMany(t => t.Players));
C) var query = leagues.Select(l => l.Teams.Select(t => t.Players));
D) var query = leagues.SelectMany(l => l.Teams.SelectMany(t => t.Players));
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: D |
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