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Q31. HOTSPOT - (Topic 4)
You are developing an ASP.NET MVC application. It is ready for deployment to the production web server.
A local SQL Express .MDF file was used by the application during development
The deployment has the following requirements:
. The deployment must merge the assemblies on the local machine with those on the host. . The deployment must publish the local database to the remote Microsoft SQL server.
You need to configure the web package settings for deployment.
Which settings should you use? (To answer, select the appropriate setting or settings in the answer area.)
Answer:
Q32. - (Topic 1)
Errors occasionally occur when saving data using the FlightInfoContext ADO.NET Entity Framework context. Updates to the data are being lost when an error occurs.
You need to ensure that data is still saved when an error occurs by retrying the operation. No more than five retries should be performed.
Which code segment should you use as the body of the SaveChanges() method in the FlightInfoContext.es file?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Q33. - (Topic 4)
You are developing an ASP.NET MVC application that reads and writes data from a SQL Server database.
You need to maintain data integrity including retrieving identical sets across reads in all situations that use transactions.
Which isolation level should you use?
A. Repeatable
B. Serializable
C. ReadUncommitted
D. ReadCommitted
Answer: A
Explanation: REPEATABLE READ Specifies that statements cannot read data that has been modified but not yet committed by other transactions and that no other transactions can modify data that has been read by
the current transaction until the current transaction completes.
Q34. - (Topic 4)
You are designing an ASP.NET Web API application.
You need to select an HTTP verb to allow blog administrators to modify the text of a comment.
Which HTTP verb should you use?
A. GET
B. DELETE
C. POST
D. PUT
Answer: D
Q35. DRAG DROP - (Topic 1)
You need to configure the Windows Azure service definition to enable Consolidated
Messenger to upload files.
What should you do? (To answer, drag the appropriate configuration items to the correct location or locations. Each configuration item may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)
Answer:
Q36. HOTSPOT - (Topic 4)
You are developing an ASP.NET MVC application named ContosoWebApp. You are ready to deploy the application to your production web server.
You need to import the publishing profile.
Which menu item should you use? (To answer, select the appropriate menu item in the answer area).
Answer:
Q37. DRAG DROP - (Topic 2)
The GetExternalOrders() method must use members of the EntityClient namespace to query the database for all records in the InboundQueue entity.
You need to modify the GetExternalOrders() method to return the correct data.
What should you do? (To answer, drag the appropriate code segments to the correct location or locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)
Answer:
Q38. - (Topic 4)
You are developing an ASP.NET MVC application. The application is an order processing system that uses the ADO.NET Entity Framework against a SQL Server database. It has a controller that loads a page that displays customers. Customers are filtered on Country and, if provided, on CompanyName.
You have an Entity Framework context named db.
The Customer class is shown below.
You need to execute a single deferred query to return the filtered list of customers. Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Q39. - (Topic 4)
You are developing an ASP.NET MVC application. The application is an order processing system that uses the ADO.NET Entity Framework against a SQL Server database. It has a controller that loads a page that displays all orders along with customer information. Lazy loading has been disabled.
The Order class is shown below.
You need to return the orders and customer information in a single round trip to the database.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Q40. - (Topic 4)
You are developing a library management application that uses the ADO.NET Entity Framework against a SQL Server database. The application has a method that returns check outs filtered by date.
The Book class is shown below.
You must filter the data on the SQL server before it is returned to the application server.
You need to return books checked out more recently than the entered date.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Explanation:
The difference is that IQueryable<T> is the interface that allows LINQ-to-SQL (LINQ.-to-anything really) to work. So if you further refine your query on an IQueryable<T>, that query will be executed in the database, if possible.
For the IEnumerable<T> case, it will be LINQ-to-object, meaning that all objects matching the original query will have to be loaded into memory from the database.