Web API MCQ Questions Answers

1. An application programming interface (api) is ________.

2. You are developing an ASP.NET MVC application. The application is deployed in a web farm and is accessed by many users. The application must handle web server failures gracefully. The servers in the farm must share the short-term state information. You need to persist the application state during the session. What should you implement?

3. What occurs if an unhandled error is fired on a startup task?

4. Which of the following are valid reasons for overriding the Run method?

5. You need to maximize performance of video delivery. Which code segment should you use as the body of the GetVideoStream function in the VideoController class?

6. You support hardware purchasing for an ASP.NET MVC application in your company. The application is finished, and the development team knows the number of intended users. Which approach will give the team the best understanding of the application’s hardware needs?

7. Your application has an intermittent issue, based on the user’s path through the application, in which the application seems to stop running. Even when running in debug mode, the application calls a web service and then stops. The application locks and the call never returns, thus the user’s request is never completed and eventually times out. What performance or profiling tool will provide the most pertinent information about your application?

8. How do you encrypt the section of the Web.config file?

9. How to ensure that ASP.NET Web API returns only JSON data ?

10. You are planning to migrate websites from IIS 6 to IIS 7.5. You do not have access to SSH or a VPN. You need to select a deployment tool to securely migrate the websites. Which tool should you use?

11. 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?

12. 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?

13. 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?

14. Your ASP.NET MVC web application has just been released to a group of pilot users. The users are reporting periods of extreme performance degradation. You did not encounter performance issues during development or the quality assurance phase. What can you do in your development environment to understand what is occurring in the production environment?

15. You are developing an ASP.NET MVC web application in Visual Studio 2012. The application requires several thousand content files. All content is hosted on the same IIS instance as the application. You detect performance issues when the application starts. You need to resolve the performance issues. What should you do?

16. You are designing an application that allows employees to change their human resources (HR) information, such as next of kin and direct deposit information. The requirements state that the application should talk directly to the HR systems’ database. However, at a recent company meeting, the CFO announced that the company will be converting to a new HR system over the next two years. They will take an additional year to move employees to the new system, one department at a time. How will this affect your design?