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Microsoft 70-516 Exam Syllabus Topics:

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

Question 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 stores encrypted credit card
numbers in the database.
You need to ensure that credit card numbers can be extracted from the database.
Which cryptography provider should you use?

A. AESCryptoServiceProvider
B. MD5CryptoServiceProvider
C. SHA1CryptoServiceProvider
D. DSACryptoServiceProvider

Question 2

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application that
connects
to a Microsoft SQL Server 2008 database. The application performs a database query within a transaction.
You need to ensure that the application can read data that has not yet beed commited by other
transactions.
Which IsolationLevel should you use?

A. ReadUncommitted
B. Unspecified
C. RepeatableRead
D. ReadCommitted

Question 3

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to develop an application that
uses LINQ to SQL.
The application contains the following model. You write the following code. (Line numbers are included for
reference only.)
01 static void Insert()
02 {
03 NorthwindDataContext dc = new NorthwindDataContext();
04 Customer newCustomer = new Customer();
05 newCustomer.Firstname = "Todd";
06 newCustomer.Lastname = "Meadows";
07 newCustomer.Email = "[email protected]";
08 .....
09 dc.SubmitChanges();
10 }

A product named Bike Tire exists in the Products table. The new customer orders the Bike Tire product.
You need to ensure that the correct product is added to the order and that the order is associated with the
new customer.
Which code segment should you insert at line 08?

A. Product newProduct = new Product(); newProduct.ProductName = "Bike Tire"; Order newOrder = new Order(); newOrder.Product = newProduct;
B. Order newOrder = new Order();
newOrder.Product = (from p in dc.Products
where p.ProductName == "Bike Tire"
select p).First();
newCustomer.Orders.Add(newOrder) ;
C. Product newProduct = new Product(); newProduct.ProductName = "Bike Tire"; Order newOrder = new Order (); newOrder.Product = newProduct; newCustomer.Orders.Add(newOrder) ;
D. Order newOrder = new Order();
newOrder.Product = (from p in dc.Products
where p.ProductName == "Bike Tire"
select p) .First();

Question 4

You use Microsoft .NET Framework 4.0 to develop an application that connects to a Microsoft SQL Server
2008 database.
You need to ensure that the application connects to the database server by using SQL Server
authentication.
Which connection string should you use?

A. SERVER=MyServer; DATABASE=AdventureWorks; Integrated Security=SSPI; UID=sa; PWD=secret;
B. SERVER=MyServer; DATABASE=AdventureWorks; Trusted Connection=true;
C. SERVER=MyServer; DATABASE=AdventureWorks; Integrated Security=false;
D. SERVER=MyServer; DATABASE=AdventureWorks; UID=sa; PWD=secret;

Question 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. The application uses the ADO.NET Entity
Framework to model entities.
The database includes objects based on the exhibit (click the Exhibit button).
The application includes the following code segment. (Line numbers are included for reference only.)
01 using(AdventureWorksEntities context = new AdventureWorksEntities())
02 {
03 ...
04 foreach (SalesOrderHeader order in customer.SalesOrderHeader)
05 {
06 Console.WriteLine(String.Format("Order: {0} ",
order.SalesOrderNumber));
07 foreach (SalesOrderDetail item in order.SalesOrderDetail)
08 {
09 Console.WriteLine(String.Format("Quantity: {0} ", item.Quantity));
10 Console.WriteLine(String.Format("Product: {0} ",
item.Product.Name));
11 }
12 }
13 }
You want to list all the orders for a specific customer. You need to ensure that the list contains following fields:
-Order number
-Quantity of products
-Product name
Which code segment should you insert in line 03?

A. Contact customer = context.Contact.Where("it.ContactID = @customerId", new ObjectParameter("@customerId", customerId)).First();
B. Contact customer = context.Contact.Where("it.ContactID = @customerId", new ObjectParameter("customerId", customerId)).First();
C. Contact customer = (from contact in context.Contact.Include
("SalesOrderHeader")
select contact).FirstOrDefault();
D. Contact customer = (from contact in context.Contact.Include
("SalesOrderHeader.SalesOrderDetail")
select contact).FirstOrDefault();

Solutions: