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Microsoft 070-516 Exam Syllabus Topics:

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

1. The user interface requires that a paged view be displayed of all the products sorted in alphabetical order.
The user interface supplies a current starting index and a page size in variables named startIndex and
pageSize of type int.
You need to construct a LINQ expression that will return the appropriate Parts from the database from an
existing
ContosoEntities context object named context. You begin by writing the following expression:
context.Parts
Which query parts should you use in sequence to complete the expression?
(To answer, move the appropriate actions from the list of actions to the answer area and arrange them in
the correct order.)

A) .Take(pageSize);
B) .OrderBy(x => x.Name)
C) .Skip(startIndex)
D) .Take(startIndex)
E) .Skip(pageSize)

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

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application. You create stored procedures by using the following signatures:
CREATE procedure [dbo].[Product_Insert](@name varchar(50),@price float)
CREATE procedure [dbo].[Product_Update](@id int, @name varchar(50), @price
float)
CREATE procedure [dbo].[Product_Delete](@id int)
CREATE procedure [dbo].[Order_Insert](@productId int, @quantity int)
CREATE procedure [dbo].[Order_Update](@id int, @quantity int,@originalTimestamp
timestamp)
CREATE procedure [dbo].[Order_Delete](@id int)
You create a Microsoft ADO.NET Entity Data Model (EDM) by using the Product and Order entities as shown in the exhibit:

You need to map the Product and Order entities to the stored procedures. To which two procedures should
you add the @productId parameter?
(Each correct answer presents part of the solution. Choose two.)

A) Product_Update
B) Product_Delete
C) Order_Update
D) Order_Delete

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 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.Select(l => l.Teams.Select(t => t.Players));
B) var query = leagues.SelectMany(l => l.Teams.Select(t => t.Players));
C) var query = leagues.Select(l => l.Teams.SelectMany(t => t.Players));
D) var query = leagues.SelectMany(l => l.Teams.SelectMany(t => t.Players));

5. You are a tasked with performing a code review. The business rule is the following:
-If INSERTs into the first table succeed, then INSERT into the second table.
-However, if the INSERTs into the second table fail, roll back the inserts in the second table but do not roll back the inserts in the first table.
-Although this can also be done by way of regular transactions, It needs to be performed using
TransactionScope objects.
Whis code would fit this business rule?

A) try
{ using (TransactionScope scope1 = new TransactionScope(TransactionScopeOption.Required)) {
...
}
using (TransactionScope scope2 = new TransactionScope(TransactionScopeOption.RequiresNew)) { .... } }
B) try
{ using (TransactionScope scope1 = new TransactionScope(TransactionScopeOption.Required)) {
....
try
{
.....
using (TransactionScope scope2 = new TransactionScope
(TransactionScopeOption.RequiresNew))
{ .... }
}
}
}
C) try
{ using (TransactionScope scope1 = new TransactionScope(TransactionScopeOption.Required)) {
...
using (TransactionScope scope2 = new TransactionScope(TransactionScopeOption.RequiresNew))
{ .... }
......
}
}
D) try
{
using (TransactionScope scope1 = new TransactionScope(TransactionScopeOption)
{
....
try
{
.....
using (TransactionScope scope2 = new TransactionScope(TransactionScopeOption))
{ .... }
}
}
}

Solutions: