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Exam Code: 70-487
Exam Name: Developing Windows Azure and Web Services
Certification Provider: Microsoft
Corresponding Certifications: MCSD, MCSD: Web Applications
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QUESTION 11
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.
Answer: A
QUESTION 12
You are developing a library to support multiple ASP.NET MVC web applications on a shared server.
The library provides implementations of security algorithms.
If a problem with any of the security algorithms is discovered, a new version of the library must be created and deployed.
Application downtime during the update must be minimized.
You need to ensure that the new version of the library will be used by all applications as soon as possible.
What should you do?
A. Build the web applications and include the security assembly as an embedded resource.
When an update is needed, copy the new assembly to the bin directory for the application.
B. Sign all assemblies in each application with the same key used to sign the security assembly.
When an update is needed, create a new key pair and re-sign all assemblies.
C. Build the security assembly as a netmodule in a shared location.
Use the assembly linker to merge the netmodule into the assemblies for the application.
When an update is needed, update the netmodule in the shared location.
D. Install the security assembly in the Global Assembly Cache (GAC).
When an update is needed, update the assembly in the GAC.
Answer: D
QUESTION 13
You are developing an application in Visual Studio 2012 to display student information.
The application contains the following Entity Framework model.
The application contains a WCF data service named DirectoryService.svc.
You need to create a query expression to display all of the grades for students whose first name is “John”.
How should you build the expression?
A. http://localhost:54946/DirectoryService.svc/Students?$filter=FirstName eq ‘John’ &
$expand=Grades
B. http://localhost:54946/DirectoryService.svc/Students?$filter=FirstName eq ‘John’/Grades
C. http://localhost:54946/DirectoryService.svc/Students?$filter=FirstName = ‘John’ &
$expand=Grades
D. http://localhost:54946/DirectoryService.svc/Grades/Students?$filter=FirstName eq ‘John’
Answer: A
QUESTION 14
Drag and Drop Question
You are developing a WCF Data Services service in Visual Studio 2012 to display movie information from a SQL Server database that changes every 24 hours.
The service is defined in the following class.
The application contains the following Entity Framework model.
The service must only return data for movies that are currently in theaters. You need to add a method to the MovieService class to filter the data. How should you build the method? (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 15
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
Answer: A
Explanation:
SQL Server Isolation Levels
(http://msdn.microsoft.com/en-us/library/ms189122(v=sql.105).aspx)
(http://msdn.microsoft.com/en-us/library/ms173763.aspx)
QUESTION 16
Drag and Drop Question
You are developing a Windows Azure based web application that provides users the ability to rent training videos.
The application is deployed to hosted services in Asia and Europe.
The web application must meet the following requirements:
– Video files are large and must be able to be streamed.
– Streaming videos requires low latency network connections.
– Rental data contains structured information about the user and the video.
– Rental permissions are checked every five seconds during video playback.
You need to recommend storage architecture for the application.
What should you do? (To answer, drag the appropriate technologies to the correct location or locations in the answer area. Each technology 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 17
Drag and Drop Question
You are developing a self-hosted WCF service that returns stock market information.
The service must be discoverable by any client application.
You need to build the service host. How should you build the host? (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 18
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
Answer: C
QUESTION 19
You are developing a WCF service.
A new service instance must be created for each client session.
You need to choose an instancing mode.
Which instance mode should you use?
A. PerCall
B. Single
C. Multiple
D. PerSession
E. PerRequest
Answer: D
Explanation:
WCF Instancing Modes (http://msdn.microsoft.com/en-us/library/ms731193.aspx)
QUESTION 20
Drag and Drop Question
You are developing a WCF service.
You need to implement transport security by using NTLM authentication and NetTcpBindings. Which configuration values should you use? (To answer, drag the appropriate configuration values to the correct location or locations in the answer area. Each configuration value 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:
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