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Exam Code: 70-494
Exam Name: Recertification for MCSD: Web Applications
Certification Provider: Microsoft
Corresponding Certification: MCSD: Web Applications

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QUESTION 51
Drag and Drop Question
You are supporting a WCF data contract that returns a price calculation that can be expanded to add new data members.
Clients using the old version of the data contract must be supported.
You need to define the data contract so that the data serializer can put unknown data members into a property bag.
You have the following code:

Which code segments should you include in Target 1 and Target 2 to complete the data contract? (To answer, drag the appropriate code elements to the correct targets in the answer area. Each code element 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:

QUESTION 52
Drag and Drop Question
You are developing a .NET application that uses the HttpClient type to access an ASP.NET Web API application.
You need to add a header to ensure that data is returned as XML.
You have the following code:

Which code segments should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code segments to the correct targets 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:

QUESTION 53
Drag and Drop Question
You are developing an ASP.NET Web API for a home inventory management system.
You need to limit access to users with IP addresses based only in the United States.
You have the following code:

Which code segments should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code segments to the correct targets 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:

QUESTION 54
Drag and Drop Question
You are developing an ASP.NET Web API action method.
The action method must return the following JSON in the message body.
{ " Name ":" Fabrikam", "Vendor Id": 9823, "Items": ["Apples", "Oranges"] }
You need to return an anonymous object that is serialized to JSON.
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:

QUESTION 55
You are developing an ASP.NET MVC web application that includes the following method.

You need to test the AccountBalance method.
Which unit test should you use?

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: C
Explanation:
http://msdn.microsoft.com/en-us/magazine/cc163665.aspx ¹
http://msdn.microsoft.com/en-us/library/microsoft.visualstudio.testtools.unittesting.assert.areequal(v=vs.110).aspx ²

QUESTION 56
You are authoring unit tests.
The unit tests must test code that consumes sealed classes.
You need to create, maintain, and inject dependencies in the unit tests.
Which isolation method should you use?

A.    Shim types
B.    Hard-coded implementation
C.    Stub types
D.    T4 text templates and code generation

Answer: A
Explanation:
http://msdn.microsoft.com/en-us/library/hh549176.aspx ³
Shim types are one of two technologies that the Microsoft Fakes Framework uses to let you easily isolate components under test from the environment. Shims divert calls to specific methods to code that you write as part of your test. Many methods return different results dependent on external conditions, but a shim is under the control of your test and can return consistent results at every call. This makes your tests much easier to write.

QUESTION 57
You are developing an ASP.NET MVC web application that contains the following HTML.
<table id= "customer" ></table>
You also have an ASP.NET Web API application that contains a call for retrieving customers.
You must send and retrieve the data in the most compact format possible.
You need to update the HTML for the customers table to contain data from the Web API application.
Which script segment should you use?

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: A

QUESTION 58
Drag and Drop Question
You are developing a WCF service application.
The application must meet the following requirements:
- Operations must have 30 second timeouts.
- The service must have a transaction scope.
- Transactions must flow from the client to the server.
You need to write a transactional service contract and implementation class to meet the requirements.
You have the following code:

Which code segments should you include in Target 1, Target 2, Target 3 and Target 4 to complete the code? (To answer, drag the appropriate code segments to the correct targets 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:

QUESTION 59
You are developing a new ASP.NET MVC application that does not have an existing database.
The requirements for the application are not complete, and the SQL data model will likely change.
You need to choose an approach to visually manage a data model.
Which approach should you use?

A.    Database First
B.    Model First
C.    Code First
D.    Physical First

Answer: C
Explanation:
http://msdn.microsoft.com/en-us/library/ms178359.aspx#dbfmfcf ⁴

QUESTION 60
You are developing an order processing application that uses the ADO.NET Entity Framework against a SQL Server database. The application has a method that returns orders filtered by date.
The Order 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 orders more recent than the entered date.
Which code segment should you use?

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: A

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1. http://msdn.microsoft.com/en-us/magazine/cc163665. aspx
2. http://msdn.microsoft.com/en-us/library/microsoft. visualstudio.testtools.unittesting.assert.areequal (v=vs.110).aspx
3. http://msdn.microsoft.com/en-us/library/hh549176.a spx
4. http://msdn.microsoft.com/en-us/library/ms178359.a spx#dbfmfcf