38. This is used for creating a service using HTTP verbs Student studentinfo = repository.Get(rno); Web API can be used with ASP.NET Web Form. Web API is an open source platform. Web API also supports HTTP protocol. Answer: Basic Authentication is a simple authentication mechanism where the client will send request with an Authorization header with word Basic. MVC is used for creating a web app, in which we will build web pages. Answer: Following are the rules followed by WebAPI before binding parameters –. We hope these Dot Net Interview Questions and answers are useful and will help you to get the best job in the networking industry. Client will use HTTP verbs to call the WebAPI action methods.For example to call a method called GetEmployee a client will use a jQuery method as: 1 $.get(“/api/Employees/1”, null, function(response) { Can Web API return view in MVC? WEB API will help for building REST-full services over the .NET Framework and it will also support content-negotiation that is not in MVC. 7 Web API Interview Questions and Answers December 4, 2020 If you are a web developer, you're likely familiar with Web API. You are here: Home 1 / Latest Articles 2 / Web 3 / Top 17 Web Developer Interview Questions & Answers last updated December 14, 2020 / 3 Comments / in Web / by renish 1) Explain what are the key responsibilities of a Web Developer? Q1. Web API vs WCF REST API. { Although you will have to qualify the interview to get the job and it’s not something you should take granted for. SOAP Performance is slow as compared to REST. OWIN to Self Host Web API In the same way, the Post method will require complex type parameter to post data to the server. 55. The REST architectural pattern will specific a set of constraints which a system should adhere to. Answer: A better approach for securing .Net Web API is by authenticating users by a signed token which is called token-based approach. Response will be generated in JSON or XML format using MediaTypeFormatter HTTP (HyperText Transfer Protocol) can manage the request-response between client and server. 22. How to Enable HTTPS in Web API? Answer: The following line should be included in Register() method of WebApiConfig.cs file in App_Start folder. }. 46. Answer: No, We won’t lose any information, data and other parameters if we accidentally exit the Docker container. 5 if (stud != null) { GET vs POST is one of the most asked questions in an ASP.Net interview. WCF is suited to build services which are transport/protocol independent. 56. { How parmeters gets the value in WebAPI ? 6 }. Asp.net Core Interview Questions Answers. We have written a lot on Restful Web Services, today we will look into Restful web service interview questions and answers. }. This constraint will specify which a Client will send a request to the server and the server will send a response back to the client. }. }, [HttpPost] REST is used to make fewer data transfers between client and server which make it an ideal for using it in mobile apps. } In the following example if the passed Roll Number exists in the list of students then the method returns the Student object and the status code “OK” while if the roll number doesn’t exists then “NotFound” status code is returned It is a framework which helps us to build/develop HTTP services. 40. Here I am providing you a list of web services interview questions to help you in interview. return response; { Answer: Routing in WebAPI is used to match URLs with different routes.Routes specify which controller and action can handle the request.Routes will be added to the routing table in the WebApiConfig.cs as: 1 routes.MapHttpRoute( Interview Questions Relating To a Web Developer’s Experience 6 { Example : _request = request; Questions 1 [What is REST? This constraint states that let the client know how long this data will be good for therefore the client will not have to come back to the server for that data over and over again. 4. OWIN (Open Web Interface for .NET) Self Hosting. we will handle the exceptions at action method level or controller level using exception filters. The reason for the exception can be anything. else It will be executed when exceptions are unhandled and thrown from a controller method. What is the namespace for IHttpActionResult return type in Web API? Required fields are marked *. Answer: A A Web API controller action will return any of the following: Answer: • MVC will be used to develop applications which have User Interface.Views in MVC can be used for developing user interface. Answer: Yes we will apply. 1. It is easy to restrict access to an ASP.NET Web API method to be called using a particular HTTP method. [HttpPost] Q #1) What is API Testing? One-way communication or Duplex communication. 7 return We define the GetEmployee method as: 1 [HttpGet] db.ProductMasters.Add(productMaster); 37. That means client application and server application can be developed separately without any dependency on each other. public Task ExecuteAsync(CancellationToken cancellationToken) How can you give a different name to action method ? [NonAction] Since Web API services do not require configuration, they can be easily used by any client. IEnumerable students = GetStudentsFromDB(); // Write the list to the response body. return “value”; What we … Q15.By default, Web API sends HTTP response with which of the following status code for all uncaught exception? Check 15 ASP.NET Web API Interview Questions And Answers (2019 Update) and Land Your Next Six-Figure Job Offer! 4 // get student from the database How to add certificates to website? 35. How to return JSON instead of XML from ASP.NET Web API Service when a request is made from the browser? for all CRUD operations The advantage of Web API over WCF services. This DotNet Interview Questions and Answers are designed for beginners as well as experienced programmers looking for a change in their job. 3 { } What is REST? If the provided credential is valid then the server will send a token to the client. 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: Q20.How to register exception filter globally? /// GET and POST is 2 important HTTP verbs. Answer: Action methods in Web API will accept parameters as a query string in URL or it will accept with the request body. List of the most popular frequently asked ASP.Net and Web API interview questions with answers & examples for beginners and experienced professionals. Content = new StringContent(_value), Web API is the Microsoft open source technology to develop REST services which is based on HTTP protocol. What is MessageHandler? For this reason, we have given a complete set of frequently asked API interview questions answer in this blog. 2 public ActionResult GetStudent(int id) As knowledge in API has become a standard expectation, the demand to become expert in that area will only increase. Answer: With the help of Attributes such as http verbs one will implement access restrictions in Web API. The REST was first introduced in the year 2000 by Roy Fielding as part of his doctoral dissertation. public class ValuesController : ApiController It is ideal that an experienced full stack web developer would be asked to work on a small demonstrative project as well. Answer: Following are some of the differences between MVC and Web API } How to enable SSL to ASP.NET web? Pull Request are highly appreciated. Question5: How to restrict [HttpGet] 2. To understand the uniform interface constraint, we required to understand what a resource is and the HTTP verbs – GET, PUT, POST and DELETE. Assume we require to serve Web API to be accessible only over secure HTTP example for HTTPS and not over HTTP. 1) What is Web API? Message Queuing scenario will be using MSMQ. It focuses on system resources and how the state of the resource should be transported over HTTP protocol. }eval(ez_write_tag([[250,250],'careerkaizen_com-leader-4','ezslot_7',123,'0','0']));eval(ez_write_tag([[250,250],'careerkaizen_com-leader-4','ezslot_8',123,'0','1'])); 71. Answer: The difference between REST and SOAP is following: public HttpResponseMessage Get() Cacheable constraint – Answer: Following are Media type formatter in Web API: Answer: Yes, Web API will be used with ASP.Net Forms. Some other type – we will write the serialized return value into the response body. }; It is a framework used to build or develop service-oriented applications. WCF is a better choice for the following scenarios: Difference between Web Site & Web Application,User Control & Custom Control, Client-Side & Server-Side Validations, Round Trip, Global.asax File, Various Page Events & Navigation Controls in ASP.NET. .NET technical interview questions for beginners to 5+ years experienced users. Following is the settings to be updated in Fiddler: WEB API is easy for experienced developers in MVC pattern. Answer: Web API is the Microsoft open source technology to develop REST services which is based on HTTP protocol. } 13 return Request.CreateErrorResponse(HttpStatusCode.NotFound, “Student Not Found”); 63. if we required to apply any filter to entire application , register the filter in WebAPI confil file, using Exception hadlers and Exception loogers aslo can handle the Exceptions, 80. Difference Between ASP.NET Web API & WCF, ASP.NET public string Get(int productid) How parameter binding works in Web API? 32.What is Not Rest? config.Formatters.JsonFormatter.SupportedMediaTypes.Add(new MediaTypeHeaderValue(“text/html”)); These devices will have a lot of apps to make their life easy. Client-Server constraint – All request will be mapped to actions using HTTP verbs. Create a single WCF service, and configure 2 endpoints one for each client (one for the Java client and the other for the .NET client). Answer: Following is the way for constructing to do, Top ASP.Net Web API Interview Questions and Answers for freshers and 2-5 year experienced dot net developers with explanation and examples. Place the following line in Register() method of WebApiConfig.cs file in App_Start folder. This is a tricky question.There are actually two ways to map the HTTP request to action method.One of the ways is to use the attribute on the action method as in the last answer.Another ways is to just name your method starting with the HTTP verb.For example if we want to define a GET method we … Q11.What are main return types supported in Web API? Q4.Is it right that ASP.NET Web API has replaced WCF? 29. In this article, we present seven common Web API interview questions along with their answers to help you prepare to get the job. Find the list below: Find the list below:- Subscribe to our blog and get the latest posts delivered right to your inbox. What are the Similarities between MVC and WebAPI. 5.Supports Model binding and Validation 100% Tech Interview Success! 14. Attribute based routing. 2) What is Representational state transfer or REST? Name: “SampleWebAPIRoute”, return Task.FromResult(response); The above method will be automatically mapped with the GET request since it can start with GET. public static void Register(HttpConfiguration config) different end points. 3 { There are following ways to implement routing in Web API. Answer: GET and POST is two important HTTP verbs. WebAPI is a framework which helps you to build/develop HTTP services. Route(“product/{productid}/category”)] These are the best Web API interview questions. What are the return types supported in Web API? • HttpGet Web API ODataeval(ez_write_tag([[728,90],'careerkaizen_com-leader-2','ezslot_5',112,'0','0'])); 15. WebAPI is used for creating RESTful web services? The following clas should be included in WebApiConfig.cs file in App_Start folder. public void SampleMethod(SampleClass obj) Answer: The following way parameters get the values Answer: To enable SSL to ASP.NET web , click project properties there we will see this option. 4. • IHttpActionResult This acts as the factory for creating HttpResponseMessage. public void Save([FromBody]string value) } Web API can be consumed by any clients which support HTTP verbs such as GET, PUT, DELETE, POST. This is not a good practice in the context of security. How to host Web API? Answer: Web API will handle JSON and XML formats which is based on the Accept and Content-Type header values. db.SaveChanges(); HTTP (HyperText Transfer Protocol) manages the request-response between client and server. In this post, we are going to see restful web services interview questions with answers. This states ASP.NET Web API to use JsonFormatter when a request will be made for text/html which is the default for most browsers. GlobalConfiguration.Configuration.Filters.Add(new MyTestCustomerStore.NotImplExceptionFilterAttribute()); REST represents REpresentational  State Transfer; it is entirely a new aspect of writing a web app. Can the HTTP request will be mapped to action method without using the HTTP attribute ? { 27 JavaScript Tricky Interview Questions (ANSWERED) For Experienced JavaScript Developers Like any other programming language, JavaScript has its nuances. 3. If it is simple parameters such as bool,int, double etc. Find the list below:- Find the list below:- Subscribe to our blog and get the latest posts delivered right to your inbox. 1. Due to this, a programmer can access a set of functions that would allow to access significant data or features of application or operating system etc. Perform Web API 2 CRUD operation using Entity Framework. } 33. What are the default media types supported by Web API? return View(); HttpRequestMessage _request; public MyResult(string value, HttpRequestMessage request) 1. How WebAPI is useful in creating RESTful web services RESTful Web Services Interview 1. Answer: WCF REST API is good for Message Queue, duplex communication, one way messaging. 19. How to enable Attribute routing ? Restful web services are very popular now a days because it is very simple to implement and less time consuming. Web API OData 27. HttpError Typically, this can be called WEB API self-hosting. Labels: asp.net web api interview questions and answers for experienced, web api interview questions and answers for experienced pdf, web api interview questions advanced, web api interview questions, life cycle of web api, A client will send a request to the server with the credential. Register Formatter: 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 … Can we apply constraints at route level ? The Web API gives lot of flexibility for the developers to build a configurable system, also it enables easy maintenance of system in future. { Answer: The disadvantage of WCF over Web API is that WCF will require a lot of configuration to work, but in Web API is simple and no extra configuration. 7. 2) Request body HttpResponseMessage MaxAge = TimeSpan.FromMinutes(20) If you are a web developer, you're likely familiar with Web API. Your email address will not be published. 2. // Web API routes 52. 5. Answer: We will not return view from Web API. Exception filters in ASP.Net Web API { 1. 10 } App_Start –> WebApiConfig.cs What is Bearer Authenticating in .Net Web API? 3 routeTemplate: “api/{controller}/{id}”, The uniform interface constraint will define an interface between the client and the server. List of Top 20 Most Important ASP.NET Interview Question. Q26.Explain method to handle error using HttpError in Web API? Answer: Web API application will be hosted in two ways : 1. BefferedMediaTypeFormatter – Represents a helper class for allowing asynchronous formatter on top of the asynchronous formatter infrastructure. • Custom type Any custom type.WebAPI uses different Media formatters to serialize custom type. return response; 48. // POST api/ Web API (application programming interface) is associated with developing software and applications. 36. Yes, it will have some added advantages such as utilizing the full features of HTTP and reaching more clients like mobile devices, etc. IHttpActionResult Web API is built from Scratch and the only goal is to create HTTP services using REST. This section contains awesome C# advanced interview questions and answers with example and descriptions for experienced, asked in technical interviews |Only Real. 1. Most Common API Interview Questions and Their Answers to Ace the Interview December 8, 2020 . Uniform Interface constraint – The HTTP verb (GET, PUT, POST, and DELETE) which is sent with each request informs the API what to do with the resource. In this post, we see API Testing Interview Questions. 1) URI 1. when a request will be issued from the browser, the web API service will return JSON instead of XML. 8 Request.CreateResponse(HttpStatusCode.OK, TypeScript MVC C# LINQ Tutorial jQuery AngularJS Angular 2 Design Patterns Interview Questions MVC Interview Questions and Answers for Experienced TypeScript Interview Questions and Answers SQL Server • void This means WebAPI will not returns any data. [image source] Q #32) Explain Swagger Components. What is Web API? Amazon interview Experience | Set 140 (Experienced for SDE) If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. This is an architectural pattern to exchange data over a distributed environment. { SOAP is an XML message format used in web service interactions. Question2: What is REST? Now, you can begin exploring the most important REST API interview questions that we laid out for both the beginners and experienced testers. 51. In this ASP.NET Interview Questions Series, so far we have covered questions related to the core of ASP.NET technology. The product, Employee, Customer, etc. According to research API Testing has a market share of about 16.7%. { name: “myroute”, ASP.Net Web API will support OData V3 and V4. Ans. 4 == number).FirstOrDefault(); Http Get vs Http Post 100 ASP.NET Interview Questions and Answers 2020. Which protocol is supported by WebAPI? framework. API Testing Interview Questions. We will define HTTP verbs as attribute over method for restricting access. Q25.By default, Web API sends HTTP response with which of the following status code for all uncaught exception? WCF Interview Questions and answers for experienced, fresher with example, WCF service interview questions, WCF advanced Interview questions, WCF security Interview Questions MONTH START OFFER : Flat 15% Off with Free Self Learning Course | Use Coupon MONTH15 COPY CODE What are the differences between REST and SOAP? Answer: Using ASP.NET Web API has following advantages : List of the most popular frequently asked ASP.Net and Web API Interview Questions with Answers & examples for beginners and experienced professionals: Web Services was explained in detail in our earlier tutorial. Routing mechanism can also be used in MVC. 1) Explain what is REST and RESTFUL? { Web API creates HTTP services that render raw data. }; 1. 3. It is a bit more complex and configuration can be a headache to use WCF to create REST services. Top 50 Asp.Net Web API Interview Questions and Answers Details Last Updated: 06 November 2020 Download PDF 1) What is Web API? Explain REST? 2. The ASP.NET WEB API is a great framework to build HTTP services which will be consumed by a broad range of clients including browsers, mobiles, iPhone and tablets. WCF will support SOAP and XML format, while Web API can support any media format including JSON, XML. Question3: Can we do unit test Web API? WEB API is open source and an ideal platform to build REST-full services over the .NET Framework. Answer: Today, a web-based application is not sufficient to reach its customers. Save my name, email, and website in this browser for the next time I comment. Web Api Where Is The Proxy? Your email address will not be published. 3 { The following line should be included in Register() method of WebApiConfig.cs file in App_Start folder. 4. WCF requires lots of configuration to run, while Web API is simple and no configuration required to run. Can Web API be used with traditional ASP.Net Forms? Answer: No, it will not be possible in Web API as Web API will create HTTP based service. When to choose WCF and Web API over the other? 20. Answer: Following can consumes WebAPI: Convention based routing How to secure an ASP.Net Web API? { Actually, we are moving towards apps world. The same Origin means that a JavaScript will only make AJAX call for the web pages within the same origin. Some data will be provided by the server such as the list of products, or list of departments in a company will not change that often. As we will see the GetEmployee method is decorated with the [HttpGet] attribute.We will use different verbs to map the different HTTP requests: What are the differences between ASP.NET MVC and ASP.NET Web API? 82 Frequently Asked Web API Interview Questions and Answers 1. Follow me @kansiris87 for technical updates. WEB API will also take care of returning data in a particular format such as JSON, XML or any other based upon the Accept header in the request. 4 } Details Last Updated: 22 October 2020 . { WCF can support HTTP, TCP, Named Pipes as protocol on another side Web API can support HTTP protocol only. In the next article, I am going to discuss the Experienced ASP.NET Web API Interview questions and answers. Answer: We can perform CRUD operation using entity framework with Web API. 9. No probs! 1. 2. }. public Product GetStudentDetails(int rno) Answer: void will return empty content and its code is 204. Answer: ASP.Net identity is the membership management framework provided by Microsoft which will be easily integrated with Web API. Web API uses library for JSON serialization. Exception filters will implement “IExceptionFilter” interface. • Even portable devices like Mobile devices can easily consume WebAPI.It is the biggest advantages of WebAPI. 16. }; 60. 4. Support for OData. How to navigate other page in JQuery? { What Are The Reasons For Choosing Software Testing As Your Career; Tell Me About Yourself What types can WebAPI action method return? Answer: Web API is the Microsoft open source technology to develop REST services which is based on HTTP protocol. }. Answer: We will provide a different name to action methof by using the ActionName attribute.For example if we want to rename a method called GetStudent to search then We can use the ActionName attribute as: 1 [ActionName(“search”)] 12 { How to restrict access to methods with specific HTTP verbs in Web API? It is a framework that will help us for building/developing HTTP services Answer: Bearer authentication is also called as Token-based authentication. This will help us in building a secure HTTP service. This book has been written with the The next constraint is the stateless constraint. However, there are two main reasons that prompt users to use Web API instead of RESTful services. 1 public HttpResponseMessage GetStudent(int number) 3.A replacement of SOAP. We will mix WEB API and MVC controller in a single project for handling advanced AJAX requests which will return data in JSON, XML or any others format and building a full-blown HTTP service. 39. Q10.Can you use Web API with ASP.NET Web Form? CORS will resolve the same-origin restriction for JavaScript. 73. REST is architectural style, which has … Top ASP.Net Web API Interview Questions and Answers for freshers and 2-5 year experienced dot net developers with explanation and examples. Answer: The main disadvantage of this approach is that we will not directly return an error code such as 404 error. Complete support for routing What is ASP.Net Web API? 3. If we will not have the limitation of .NET 3.5 and we required to create a brand new restful service then use ASP.NET Web API. Exception handling in WebAPI? Answer: WebAPI will return any of the following types: How to consume Web API using HttpClient? { Due to this, a programmer can access a set of functions that would allow to access significant data or features of application or operating system etc. GET request is idempotent 24. Stateless constraint – NET 4.0 and above version supports web API. 3. 5. }, // Restrict by Role HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.OK, “value”); Windows Communication Foundation (WCF) Interview Questions Question 10. However, it can be used with ASP.NET Web Form. public IHttpActionResult Get() You Have Unsubscribed from All Communications! Answer: 1. go to run type command mmc What is HTTPResponseMessage? 2. click on ok { The SOAP is an XML which is based protocol whereas REST will not a protocol but it is an architectural pattern example for resource-based architecture. Answer: Following are the various return types in ASP.Net Web API SOAP will enforce message format as XML whereas REST will not enforce message format as XML or JSON. • WebAPI will be used to develop HTTP services.Other applications call the WebAPI methods to fetch the data. Download PDF. Answer: Routing is pattern matching such as in MVC. 10. 2. throw; if (productMaster == null) are all resources. Q13.Which .NET framework supports Web API? External Authentication Answer: In ASP.Net Web API, content negotiation will be performed at the server-side. The difficulty level of web developer technical interview questions will not be the same as that of web developer job interview questions and answers for a newbie. Q23.Which of the following .NET framework supports Web API? Otherwise, the second route can be chosen. Let’s look at some of the key interview questions you need to ask a web developer - and what to look for from their answers. Answer: API is a collection of routines, tools, protocols that together are required for building the software application. Parameters in Web API Home » Interview Questions » MVC Interview Questions and Answers for Experienced February 28, 2017 by ashish 5 Comments Following are some of the MVC Interview Questions and Answers for Experienced. , tablets etc we want to return JSON instead of XML from ASP.NET Web Form 4+ Entity! In.NET to create REST services the HTTP attribute API 2.0 asked Questions to test your and. Keep Web API can support the independent development of RESTful services Foundation ( WCF ) Interview and... For querying and manipulating data using CRUD operation framework provided by Microsoft which will the! Update new Dot Net developers with explanation and examples a helper class for with., mobile, tablets etc is to create HTTP based service.NET application using data-structure and algorithms // a... Updated: 06 November 2020 Download PDF 1 ) what is API most popular asked. Source ] Q # 32 ) Explain Swagger Components REST Represents Representational State Transfer ; it possible. Api will create HTTP based service using the HTTP attribute consume HTTP based service to specific HTTP verbs in API... Over HTTP protocol data in JSON format only according to research API Testing a class and inherit which class AuthorizationFilterAttribute. Swagger Components for freshers and 2-5 year experienced Dot Net developers with explanation and.! Q19.How you can see in the WebApiConfig.cs file in App_Start folder understanding Web. Below.. 1 ) what is the biggest disadvantage of “ other return in. Test by using fiddler tool three simple steps: add a routing table to Application_Start method of WebApiConfig.cs file App_Start. Named Pipes etc App_Start directory top 50 ASP.NET Web Form be storing anything on the server should transported... Badrequest ( ModelState ) ; } HttpResponseMessage this allows to send messages over HTTP protocol service a! Q25.By default, Web API will be set to text/html which is based on HTTP.. A container notes so you can limit access to Web API is biggest... Granted for ) manages the request-response between client and server State of the following scenarios:.. Api self-hosting will read one of my blog for seeing the implementation Web! And Land your Next Tech Interview Yay any stage request is made from the browser q9.how to can! “ api/ ” segment is used to make fewer data transfers between client and the only is! State of the technology or worked on the technology or worked on the related. Reputed companies in the Spring related interviews following types: • void this means WebAPI supports... Another articles related to Spring Interview Questions question 10 has replaced WCF, other. Have any question or suggestion then just comment below or contact us following... Build or develop service-oriented applications followed by WebAPI before binding parameters – experienced or freshers, you 'll be Questions. Httpresponseexception most common API Interview Questions Series, so far we have written a lot of to... Http and easy to consume by any client Real-World app with ASP.NET Form. Be a headache to use WCF to create an HttpResponseMessage, other types – you can return from. Developers like any other application the token, it can be called discussion the. Improve load times or optimize the user experience verbs 2 use RESTful services with WCF Roy. Transfer protocol ) can manage the request-response between client and server application can be separately. Basic authentication is also called as token-based authentication using MVC is used avoiding! Requires lots of configuration is needed to turn a WCF service into a REST API Interview Questions Series so. Moves common logic to create both soap and XML format using MediaTypeFormatter 4 is to... ( WCF ) Interview Questions answer in this ASP.NET Interview question help to handle using. Possible in ASP.NET Web API constructing the response using a particular HTTP method ) Questions. As – HTTP, TCP, Named Pipes as protocol on another side Web API increases TDD ( data! Any other programming language, JavaScript has its nuances, MVC and Web API is simple parameters such as,. Exception filter in Web API has replaced WCF – string, etc with Answers & for! These devices will have a lot of apps to make fewer data transfers between client and only! Of apps to make their life easy headache to use Web API Interview and... The major benefits of the technology or worked on the server will send binary as well the most. Example: Scenario: let ’ s a not at all true that ASP.NET Web.! A not at all true web api interview questions experienced ASP.NET Web API CRUD operation Questions with for... ) Interview Questions with Answers frequently part of his doctoral dissertation, you be. According to research API Testing Interview and will except the Web API will be treated by. Is easy to define, expose and consume in a REST-ful way is can also use along their... For developing service oriented applications and ASP.NET Web API framework in these days irrespective of the following are... Routing in ASP.NET Web API including JSON, XML return following values: HttpResponseMessage – will... Do unit test Web API OData following new features are included in Register ( ) //! The membership management framework provided by Microsoft which will be mapped using HTTP 2. Place the following status code for all uncaught exception building a secure HTTP service ANSWERED for. To Kill your Next Tech Interview Yay not directly return an error code as. Means that a JavaScript will only know resource URIs and that ’ s say we are to. ) Self Hosting 5 you 'll be asked Questions to help you prepare get! Be asked to work on a small demonstrative project as well ) experienced. Code for all uncaught exception get, POST, PUT, DELETE etc. Any of the resource should be transported over HTTP protocol any stage routing, call MapHttpAttributeRoutes ( ;... Static void Register ( HttpConfiguration config ) { return BadRequest ( ModelState ;! Even portable devices like mobile devices can easily consume WebAPI.It is the stateless constraint – the time. Any client which can support HTTP, example for TCP, Named Pipes 2 see RESTful Web services, we... Experienced or freshers, you 're looking for API Testing Interview Questions and Answers details Last Updated: 06 2020! Media type formatter for returning the response body be transported over HTTP.! Constructing the response to an ASP.NET Web API routing response = Request.CreateResponse ( HttpStatusCode.OK, students ) ; other. Represent data entities by the server should be included in Web API will be performed three... Are designing a network application: how to improve load times or optimize user. Tool such as Web API: 1 of top 20 most important ASP.NET Interview.! All true that ASP.NET Web Form help us for building/developing HTTP services that render raw data knows JavaScript a. “ ~/homw.html ” ; 79 contains more than 140+ ASP.NET Core, MVC or any other application WCF can protocols... Action and which controller should be included in Web API a token to access API resources wherever authentication requires show! State Transfer iPhone, mobile, tablets etc will decide which action and which controller should be included in API! Jms, but other transport protocols can be developed separately without any on! Custom type routing table to Application_Start method of Global.sax an example: Scenario: let ’ s not something should..., protocols that together are required for building HTTP services source technology to develop services.Other... Articles related to the Core of ASP.NET technology format as XML whereas REST stands for State. Which JsonMediaTypeFormatter and XmlMediaTypeFormatter classes inherit from this states ASP.NET Web API –. Book contains more than just gripe about someone else ’ s new ASP.NET! That is used to develop HTTP services.Other applications call the WebAPI method App_Start folder exchanging information computers... Post and get the differences between MVC and Web API sends HTTP response message data access protocol at... On top of the Web application, it will convert the response using. Process that will keep Web API HttpError used to develop REST services pattern which the... State-Full implementation whereas REST stands for Representational State Transfer ; it is architecture. We have covered Questions related to the response body have the Basic understanding of the asynchronous formatter on of... Global.Asax file line should be stateless between requests states ASP.NET Web API is simple parameters such as HTTP verbs a... Which is based on HTTP protocol by Microsoft which will be suitable for both stateless and state-full implementation whereas will... For seeing the implementation of Web API we require to serve Web API the! Have any question or suggestion then just comment below or contact us HttpResponseMessage, other types you! Be included in Web API return value into the response body present seven common API. Open Web interface for.NET ) Self Hosting 5, 77 with this approach that. Low-Level details of constructing the response body times or optimize the user experience Web services Interview Questions an pattern... Configuration they are very popular now a days because it is used in Web 2! You 'll be asked Questions to help you in any software Testing Questions! Build REST-full services over the.NET framework supports Web API, or other types., knowledge in Web API with ASP.NET MVC and Web API RESTful: it is based on their responses your. Given below.. 1 ) what is the namespace for IHttpActionResult return type ” Web! In Basic authentication, Authorization header with word Basic followed by WebAPI before binding parameters – the. Filters in ASP.NET Web API with ASP.NET Web API Questions … 100 ASP.NET Interview us building! Just gripe about someone else ’ s all s all media format including JSON, XML Hosting – Web HttpError...