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Microsoft 70-516 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Working with ADO.NET | - Connection management and commands - Data readers and data adapters |
| Entity Framework Data Access | - CRUD operations using Entity Framework - Entity data model design |
| Designing Data Access Solutions | - Entity Framework vs ADO.NET considerations - Choosing appropriate data access technologies in .NET Framework 4 |
| Data Management and Application Integration | - Performance optimization and caching strategies - Transaction management |
| Working with LINQ to SQL and LINQ to Entities | - Querying data using LINQ - Mapping objects to relational data |
Microsoft TS: Accessing Data with Microsoft .NET Framework 4 Sample Questions:
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
The application connects to several SQL Server databases. You create a function that modifies customer
records that are stored in multiple databases.
All updates for a given record are performed in a single transaction. You need to ensure that all transactions
can be recovered. What should you do?
- A. Call the RecoveryComplete method of the TransactionManager class.
- B. Call the Reenlist method of the TransactionManager class.
- C. Call the EnlistDurable method of the Transaction class.
- D. Call the EnlistVolatile method of the Transaction class.
Correct Answer: C π³οΈ
Explanation: Only visible for Actual4Exams members. You can sign-up / login (it's free).
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.
Each region contains a single vendor. Customers order parts from the vendor that is located in their region.
You need to ensure that each row in the Customer table references the appropriate row from the Vendor
table.
Which code segment should you use?
- A. SalesDataContext dc = new SalesDataContext("...");
var query = from v in dc.Vendors
join c in dc.Customers on v.VendorlD equals c.VendorID
select new { Vendor = v, Customer = c };
foreach (var u in query){
u.Customer.Region = u.Vendor.Region;
}
dc.SubmitChanges(); - B. SalesDataContext dc = new SalesDataContext("...");
var query = from c in dc.Customers
join v in dc.Vendors on c.VendorlD equals v.VendorID
select new { Customer = c, Vendor = v };
foreach (var u in query){
u.Vendor.Region = u.Customer.Region;
}
dc.SubmitChanges(); - C. SalesDataContext dc = new SalesDataContext("...");
var query = from v in dc.Vendors
join c in dc.Customers on v.Region equals c.Region
select new { Vendor = v, Customer = c };
foreach (var u in query){
u.Customer.VendorlD = u.Vendor.VendorlD;
}
dc.SubmitChanges(); - D. SalesDataContext dc = new SalesDataContext("...");
var query = from c in dc.Customers
join v in dc.Vendors on c.Region equals v.Region
select new { Customer = c. Vendor = v };
foreach (var u in query){
u.Vendor.VendorlD = u.Customer.VendorID;
}
dc.SubmitChanges();
Correct Answer: C π³οΈ
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 use Entity SQL to retrieve data from the
database.
You need to find out whether a collection is empty. Which entity set operator should you use?
- A. EXISTS
- B. ANYELEMENT
- C. EXCEPT
- D. IN
Correct Answer: A π³οΈ
Explanation: Only visible for Actual4Exams members. You can sign-up / login (it's free).
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 LINQ to SQL model to retrieve data from the database.
The application will not modify retrieved data. You need to ensure that all the requested data is retrieved.
You want to achieve this goal using the minimum amount of resources. What should you do?
- A. Set ObjectTrackingEnabled to false on the DataContext class.
- B. Set DeferredLoadingEnabled to false on the DataContext class.
- C. Set DeferredLoadingEnabled to true on the DataContext class.
- D. Set ObjectTrackingEnabled to true on the DataContext class.
Correct Answer: A π³οΈ
Explanation: Only visible for Actual4Exams members. You can sign-up / login (it's free).
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application.
You use the ADO.NET Entity Data Model (EDM) to define a Customer entity.
You need to add a new Customer to the data store without setting all the customer's properties. What
should you do?
- A. Override the Create method for the Customer object.
- B. Override the SaveChanges method for the Customer object.
- C. Call the Create method of the Customer object.
- D. Call the CreateObject method of the Customer object.
Correct Answer: D π³οΈ
Explanation: Only visible for Actual4Exams members. You can sign-up / login (it's free).
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