1. Yes, we can still develop RESTful services with WCF. When a request can be issued from a tool such as a fiddler the Accept header value will be be respected. Answer: Routing is pattern matching such as in MVC. Routes.MapHttpRoute( config.Formatters.Remove(config.Formatters.XmlFormatter); • WebAPI will be used to develop HTTP services.Other applications call the WebAPI methods to fetch the data. 27 JavaScript Tricky Interview Questions (ANSWERED) For Experienced JavaScript Developers Like any other programming language, JavaScript has its nuances. • WebAPI will be used to develop HTTP services.Other applications call the WebAPI methods to fetch the data. routes.MapHttpRoute( WebAPI is a framework which helps you to build/develop HTTP services. 4 } It is lightweight architecture and ideal for devices that have limited bandwidth like smartphones. }eval(ez_write_tag([[300,250],'careerkaizen_com-leader-3','ezslot_6',115,'0','0'])); return Ok(productMaster); return response; Web API (application programming interface) is associated with developing software and applications. Previous In this tutorial, I am putting collection of frequently asked important spring REST web services interview questions with answers. config.Formatters.JsonFormatter.SupportedMediaTypes.Add(new MediaTypeHeaderValue(“text/html”)); What types can WebAPI action method return? Q8.How can we use Web API with ASP.NET Web Form? In this article, I will share frequently asked ASP.Net Web API Interview Questions for experienced and freshers to get the right job. Answer: public static bool Login(string UN, string pwd) In fact, even portable devices such as mobile devices can easily use Web API, which is undoubtedly the biggest adva… Answer: Web API is the Microsoft open source technology to develop REST services which is based on HTTP protocol. Answer: Following classes will help to handle the exception in ASP.Net Web API. How to mention Roles and users using Authorize attribute in Web API? Routing mechanism can also be used in MVC. Q15.By default, Web API sends HTTP response with which of the following status code for all uncaught exception? What are the differences between REST and SOAP? In this Dot Net Interview Questions article series, we are going to cover most of the dot net interview questions and answers related to C#, ASP.NET, SQL Server, ASP.NET MVC, Linq, ASP.NET Web API, WCF, ADO.NET, Entity Framework and many more. Q20.How to register exception filter globally? var response = new HttpResponseMessage() • WebAPI will be consumed by any client which can support HTTP verbs like GET,PUT,DELETE,POST. Answer: Following is the way for constructing to do, 3. What is MessageHandler? If you are a web developer, you're likely familiar with Web API. Other Type – string, int, or other entity types. MVC return data in JSON format using JsonResult. }. The next constraint is the stateless constraint. students.sudent.Any(e => e.UserName.Equals(UN) && e=>e.Password.Equlas(UN)) // students has more than one table 10 } Therefore, if we want for exposing our service data to the browsers to all these modern devices apps in a fast and simple way, we will have an API which will be compatible with browsers as well as all these devices. Download PDF. }; 60. 61. 4. • void This means WebAPI will not returns any data. [HttpGet] Answer: No, We won’t lose any information, data and other parameters if we accidentally exit the Docker container. devices in their daily life. GET vs POST is one of the most asked questions in an ASP.Net interview. Once the client will received the token, it will use this token to access API resources wherever authentication requires. // Get a list of Students from a database. In Token-based authentication –. 1. Some other type – we will write the serialized return value into the response body. Web API uses library for JSON serialization. REST is architectural style, which has … We must use Filters to implement this. 6. 1. 3. Therefore, there is no mention of the method name above.Instead GetEmployee method will be called using the GET HTTP verb. 57. Following are the REST constraints: Answer: Following are Media type formatter in Web API: 67. }. Top ASP.Net Web API Interview Questions and Answers for freshers and 2-5 year experienced dot net developers with explanation and examples. Attribute based routing. Answer: WebAPI will supports only HTTP protocol.So it will be consumed by any client which can support HTTP protocol. }. This Dot Net Interview Questions and answers are prepared by Dot Net Professionals based on MNC Companies expectation. Parameters in Web API The first route can only be selected whenever the “id” segment of the URI is an integer. This is the first constraint. name: “myroute”, 1. Web API 78. WEB API is open source and an ideal platform to build REST-full services over the .NET Framework. }. Answer: Yes, we will implement MVC kind of routing in Web API. It can be performed in three simple steps: Add a routing table to Application_Start method of Global.sax. During a job interview, you'll be asked questions to test your knowledge and understanding of Web API. That means client application and server application can be developed separately without any dependency on each other. 65.What is the status code for “Emptry return type” in Web API? Web API ODataeval(ez_write_tag([[728,90],'careerkaizen_com-leader-2','ezslot_5',112,'0','0'])); 15. 37. Make sure you take notes so you can thoroughly evaluate your interviewees based on their responses to your questions. Here I am providing you a list of web services interview questions to help you in interview. 3. No probs! 3. return BadRequest(); API (Application Programming Interface) helps in communication and data exchange between two software systems.API act as an interface between two applications and allows the two software systems communicate with one another. 21. Q2.Why is Web API required? Exception filters will implement “IExceptionFilter” interface. } } In fact, it is another way of building non-SOAP based services, i.e., plain XML or JSON string. Now, you can begin exploring the most important REST API interview questions that we laid out for both the beginners and experienced testers. 3. List of Top 20 Most Important ASP.NET Interview Question. In this Dot Net Interview Questions article series, we are going to cover most of the dot net interview questions and answers related to C#, ASP.NET, SQL Server, ASP.NET MVC, Linq, ASP.NET Web API, WCF, ADO.NET, Entity Framework and … Is it possible to have MVC kind of routing in Web API? How to implement Basic Authentication in ASP.Net Web API? 31. With this change, irrespective of the Accept header value (application/xml or application/json), the Web API service will always going to return JSON. These 25 solved HR Interview questions will help you prepare for the HR Round conducted during the job interviews for professionals. In this ASP.NET Interview Questions Series, so far we have covered questions related to the core of ASP.NET technology. This token will contain user details for the identification with an expiry time. Answer: We can return JSON instead of XML from ASP.NET Web API Service when a request is made from the browser in following way: StudentDBEntities students = new StudentDBEntities() Q9.How to you can limit Access to Web API to Specific HTTP Verb? Explain oData with ASP.Net Web API. } Support for OData. 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