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QUESTION 1
You are developing an ASP.NET MVC application. The application is a loan 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 loans along information. Lazy loading has been disabled. The Loan class is shown below.

You need to return the loans and rate 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
70-494 exam Correct Answer: B
Explanation

QUESTION 2
You are developing an ASP.NET MVC application that displays a report. The report includes large images that are stored in a database. Members of the EntityClient namespace are used to access the database through the ADO.NET Entity Framework data model. You need to prevent memory exceptions while generating a report using the EntityDataRcader type.
Which CommandBehavior type should you use?
A. FastForwardReadOnly
B. SequentialAccess
C. SingleResult
D. SingleRow
Correct Answer: B
Explanation
Explanation/Reference:
Explanation: SequentialAccess
Provides a way for the DataReader to handle rows that contain columns with large binary values. Rather than loading the entire row, SequentialAccess enables the DataReader to load data as a stream.

QUESTION 3
You are developing a Microsoft Azure web application. The application will be deployed to 10 web role instances. A minimum of 8 running instances is needed to meet scaling requirements. You need to configure the application so that upgrades are performed as quickly as possible, but do not violate scaling requirements. How many upgrade domains should you use?
A. 1
B. 2
C. 5
D. 10
70-494 dumps Correct Answer: C
Explanation

QUESTION 4
You are developing a WCF service.
A new service instance must be created for each client request.
You need to choose an instancing mode.
Which instancing mode should you use?
A. Single
B. PerRequest
C. PerCall
D. Multiple
E. PerSession
Correct Answer: C
Explanation

QUESTION 5
You are developing a WCF service that compares several data sources. The service takes a long time to complete.
The service must meet the following requirements:
The client must be able to continue processing while the service is running. The service must initiate communication with the client application when processing is complete. You need to choose a message pattern to meet the requirements. Which message pattern should you choose?
A. One Way
B. Streaming
C. Duplex
D. Request/Reply
70-494 pdf Correct Answer: C
Explanation

QUESTION 6
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
Correct Answer: C
Explanation

QUESTION 7
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
70-494 pdf Correct Answer: A
Explanation
Explanation/Reference:
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.

QUESTION 8
You are developing an ASP.NET MVC application that reads and writes data from a SQL Server database. You need to maintain data integrity in all situations that use transactions.
A. ReadUncommitted
B. Repeatable
C. Serializable
D. ReadCommitted
Correct Answer: C
Explanation

QUESTION 9
You are developing an ASP.NET MVC application.
Applications can be deployed to remote servers only by administrators who have elevated privileges. The administrators do not have access to Visual Studio 2012. You need to select a deployment tool to deploy the application to remote servers for testing. Which tool should you use?
A. Copy Web Site Tool
B. One-Click Publish
C. Publish Web Site Tool
D. Web Deployment Package
70-494 vce Correct Answer: D
Explanation

QUESTION 10
You develop an ASP.NET MVC application that is secured by using SSL. You are ready to deploy the application to production. The deployment package must include the installation of the SSL certificate. You need to configure the deployment package to meet the requirement. What should you do?
A. Create a web publish pipeline target file with a custom web deploy target.
B. In the Package/Publish settings of the project, select the All Files in this project option.
C. Extend the CopyAllFilesToSingleFolder target in the project file.
D. In the Build Events settings of the project, configure a pre-build event to include the SSL certificate.
Correct Answer: A
Explanation

QUESTION 11
You are building an ADO.NET Entity Framework application. You need to validate the conceptual schema definition language (CSDL), store schema definition language (SSDL), and mapping specification language (MSL) files. Which Entity Data Model tool can you use? (Each correct answer presents a complete solution. Choose all that apply.)
A. EDM Generator (EdmGen.exe)
B. ADO.NET Entity Data Model Designer
C. Entity Data Model Wizard
D. Update Model Wizard
70-494 exam Correct Answer: AB
Explanation

QUESTION 12
You are developing a .NET application that uses the HttpClient type to call an ASP.NET Web API application. The API call returns a list of customers in JSON format and logs the results. The URI for the API call is in a variable named address. You need to make the API call without blocking. Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: A
Explanation
Explanation/Reference:
Explanation: Example:
// Create an HttpClient instance
11: HttpClient client = new HttpClient();
12:
13: // Send a request asynchronously continue when complete
14: client.GetAsync(_address).ContinueWith(
15: (requestTask) =>
16: {
17: // Get HTTP response from completed task.
18: HttpResponseMessage response = requestTask.Result;
19:
20: // Check that response was successful or throw exception
21: response.EnsureSuccessStatusCode();
22:
23: // Read response asynchronously as JsonValue and write out top facts for each country
24: response.Content.ReadAsAsync().ContinueWith(
25: (readTask) =>

QUESTION 13
You are designing an ASP.NET Web API application. You need to select an HTTP verb to allow blog administrators to remove a comment. Which HTTP verb should you use?
A. PUT
B. DELETE
C. POST
D. GET
70-494 dumps Correct Answer: B
Explanation

QUESTION 14
You are preparing to develop a set of libraries for a company.
The libraries must be shared across the company.
You need to create a remote NuGet feed that exposes the libraries.
What should you do? (Each answer presents part of the solution. Choose all that apply.)
A. Install the NuGet.Feed Package.
B. Install the NuGet.Server Package.
C. Configure the Packages folder located in the system.webserver section of the web application’s Web.config.
D. Create a new Empty Web Site in Visual Studio 2012.
E. Configure the Packages folder located in the appSettings section of the web application’s Web.config.
F. Add packages to the Packages folder.
G. Create a new Empty Web Application in Visual Studio 2012.
Correct Answer: BEFG
Explanation
Explanation/Reference:
Explanation: Explanation/Reference:

QUESTION 15
You are designing an ASP.NET Web API application.
You need to select an HTTP verb to allow blog administrators to moderate a comment.
Which HTTP verb should you use?
A. GET
B. POST
C. DELETE
D. PUT
70-494 pdf Correct Answer: D
Explanation

QUESTION 16
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
Correct Answer: A
Explanation
Explanation/Reference:
The difference is that IQueryable is the interface that allows LINQ-to-SQL (LINQ.-to- anything really) to work. So if you further refine your query on an IQueryable, that query will be executed in the database, if possible. For the IEnumerable 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.

QUESTION 17
You are developing an ASP.NET MVC application that reads and writes data from a SQL Server database.
You need to prevent the application from reading data that is locked by other transactions.
You also need to prevent exclusive range locks.
Which isolation level should you use?
A. ReadCommitted
B. Serializable
C. Repeatable
D. ReadUncommitted
70-494 vce Correct Answer: A
Explanation

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