It’s just that it’s a bit more complex and configuration can be a headache. Following are the Interview Questions designed for Freshers as well as Experienced. This line of code completely removes XmlFormatter which forces ASP.NET Web API to always return JSON irrespective of the Accept header value in the client request. I would like to have your feedback. It is easy to restrict access to an ASP.NET Web API method to be called using a particular HTTP method. In the next article, i am going to discuss experienced ASP.NET Web API Interview questions with answers. Here, in this article, I try to explain most frequently asked ASP.NET Web API Interview Questions and Answers. Web API Security There are two technique for security in Web API. Web application security testing is defined as the testing of the security mechanism employed in web applications to protect it from bad people. WCF can only be consumed by clients, which can understand XML. ASP.NET MVC Interview Questions and Answers, SQL Server Interview Questions and Answers. The answer is by using Media Type Formatters. This can be saved in database or some external file. 8. Attribute programming plays a important role. I would like to have your feedback. We can also maintain session using token based atuhorization. Dot Net Interview Questions and answers. APIs are the doors too closely guarded data of a company, creating the following challenge: how can we keep the doors open for the ecosystem and sealed off from hackers at the same time?. MVC is used to create web applications that return both views and data but ASP.NET WEB API is used to create rest full HTTP services with the easy and simple way that returns only data, not view. What is ASP.NET Web API. Use this technique when you want your service to support only XML and not JSON. The REST architectural pattern specifies a set of constraints that a system should adhere to. What is a Resou… The uniform interface constraint defines an interface between the client and the server. in plain test inside request header, it is prone to hack (CSRF Cross site request forgery). authHeaderValue = Encoding.Default.GetString(Convert.FromBase64String(authHeaderValue)); var credentials = authHeaderValue.Split(':'); return credentials.Length < 2 ? A good developer will have questions during and after the interview process. Mindmajix offers Advanced API Testing Interview Questions 2018 that helps you in cracking your interview & acquire a dream career as API Testing Developer. Web API would always respond to requests coming on HTTP, web browsers do send the requests through HTTP, that is why Web API is always accessible from a web browser whereas in case of an application you have to use libraries. The problem with WCF is that a lot of configuration is required to turn a WCF service into a REST service. Let start the ASP.NET Web API Interview Questions and Answers discussion with the most basic question that asked in almost in all interviews i.e. SOAP enforces message format as XML whereas REST does not enforce message format as XML or JSON. I hope you enjoy this ASP.NET Web API Interview Questions and Answers article. GlobalConfiguration.Configuration.Filters.Add(new ApiAuthenticationFilter()); You can also apply it to Action level too by your wish to apply or not apply authentication to that action. Most Common API Interview Questions and Their Answers to Ace the Interview December 8, 2020 When applying for an API software engineering job, you will need to demonstrate that you have a firm grasp of API, as well as API testing, SOAP and REST. Your email address will not be published. With the increasing demand for data-centric projects, companies have quickly opened their data to their ecosystem, through SOAP or REST APIs. Then forward the message to the second layer. Required fields are marked *, In this article, I am going to discuss the most frequently asked, REST stands for Representational State Transfer. It works the way HTTP works using standard HTTP verbs like GET, POST, PUT, DELETE, etc. WEB API also takes care of returning data in a particular format like JSON, XML or any other based upon the Accept header in the request. The ASP.NET WEB API is a great framework for building HTTP services that can be consumed by a broad range of clients including browsers, mobiles, iPhone and tablets. REST stands for Representational State Transfer. Here I am providing you a list of web services interview questions to help you in interview. Q1. 82 Frequently Asked Web API Interview Questions and Answers. For this scenario, WCF is the right choice. for all CRUD operations, Response generated in JSON or XML format using MediaTypeFormatter, It has the ability to be hosted in IIS as well as self-host outside of IIS, OWIN (Open Web Interface for .NET) Self Hosting. This line of code completely removes JsonFormatter which forces ASP.NET Web API to always return XML irrespective of the Accept header value in the client request. Here BasicAuthenticationIdentity  is a user defined class which has user id and. I would like to have your feedback. REST always used to make fewer data transfers between client and server which makes REST an ideal for using it in mobile apps. config.Formatters.Remove(config.Formatters.JsonFormatter); Banking & Finance. [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false)], public class GenericAuthenticationFilter : AuthorizationFilterAttribute. The problem with this approach is that the Content-Type header of the response is set to text/html which is misleading. devices in their daily life. Ans: It is a framework which helps us to build/develop HTTP services. Thursday, April 12, 2018. Being a QA engineer, we also need to be aware of the rest API concept. RESTFUL is referred for web services written by applying REST architectural concept are called RESTful services, it focuses on system resources and how state of resource should be transported over HTTP protocol to different clients written in different language. If we don’t have the limitation of .NET 3.5 and we want to create a brand new restful service then use ASP.NET Web API. Now when you run this application, you'll see the Authenticate API as well, just invoke this API with Basic Authentication and User credentials, you'll get the token with expiry, let's do this step-by-step. var dnsHost = filterContext.Request.RequestUri.DnsSafeHost; filterContext.Response = filterContext.Request.CreateResponse(HttpStatusCode.Unauthorized); filterContext.Response.Headers.Add("WWW-Authenticate", string.Format("Basic realm=\"{0}\"", dnsHost)); /// Custom Authentication Filter Extending basic Authentication, public class ApiAuthenticationFilter : GenericAuthenticationFilter, /// AuthenticationFilter constructor with isActive parameter, public ApiAuthenticationFilter(bool isActive), /// Protected overriden method for authorizing user, protected override bool OnAuthorizeUser(string username, string password, HttpActionContext actionContext), var provider = actionContext.ControllerContext.Configuration. In the context of a REST API, resources typically represent data entities. Web API can be hosted in IIS or in an application. This constraint specifies that a Client sends a request to the server and the server sends a response back to the client. In this part-6 of ASP.NET Web API Tutorial series, we will cover top 10 ASP.NET Web API interview questions related to ASP.NET Web API framework. Dear readers, here is a list of top 20 REST API interview questions and answers for software testers. REST architectural pattern treats each, If you are preparing for Web API Interviews then definitely you have to prepare this, REST stands for Representational State Transfer. WEB API helps to build REST-full services over the .NET Framework and it also supports content-negotiation which is not in MVC. API Testing Interview Questions; Business. Since Web API services do not require configuration, they can be easily used by any client. Now a day, Peoples become very smart; they are using iPhone, mobile, tablets etc. Asp.net Web API security interview questions What is ASP.NET Web API? one is basic authentication and second is token based. REST stands for Representational State Transfer. We hope these Dot Net Interview Questions and answers are useful and will help you to get the best job in the networking industry. Q #1) What is API Testing? It supports most of the MVC features which keep Web API over WCF. But WCF is still a good choice for the following scenarios: This Web API Interview Questions are asked almost all Web API Interviews. authorization. ASP.NET Web API is a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices. What port is for ICMP or pinging? 14) Mention what is the basic design of OWASP ESAPI? Please post your feedback, question, or comments about this ASP.NET Web API Interview Questions and Answers article. The difference between REST and SOAP is given below: WCF (Windows Communication Foundation) is one of the choices available in .NET for creating both SOAP and REST services. Difference Between ASP.NET Web API & WCF, ASP.NET MVC application & ASP.NET Web API application. JsonMediaTypeFormatter handles JSON and XmlMediaTypeFormatter handles XML. List of frequently asked Dot Net Interview Questions with answers by Besant Technologies. Web or Rest API interview questions & answers 1. The SOAP message consists of an envelope which includes SOAP headers and body to store the actual information we want to send whereas REST uses the HTTP build-in headers (with a variety of media-types) to store the information and uses the HTTP GET, POST, PUT and DELETE  methods to perform CRUD operations. What is Representational state transfer or REST? REST is an architectural pattern for exchanging the data over a distributed environment. If we intended to use transport other than HTTP, e.g. Ans: Ping doesn’t use any port. Answer: Web API is the Microsoft open source technology to develop REST services which is based on HTTP protocol. Click on the first API link, in other words POST authenticate. This constraint says that let the client know how long this data is good for so that the client does not have to come back to the server for that data over and over again. Q1. Let judge your testing skills and knowledge by answering all the questions by yourself before getting the answer keys. This ensures that each request can be treated independently by the server. There are two technique for security in Web API. Banking Interview Questions; Insurance Interview Questions; ... OWASP ESAPI (Enterprise Security API) is an open source web application security control library that enables developers to build or … Be sure to ask general application security interview questions to assess the candidate’s knowledge in various sister fields, such as secure architecture design, mobile security, source code review, reverse engineering, and malware analysis, as they relate to the position. Authentication is a technique where user id and password has been passed. So, if we like to expose our service data to the browsers as well as to all these modern devices apps in a fast and simple way, we should have an API which is compatible with browsers as well as all these devices. If you are using tools like a fiddler and if you set Accept header to application/xml you will still get XML formatted data. Web Application Security Interview Questions Long polling is a web application development pattern used to emulate pushing data from the server to the client. In the next article, I am going to discuss the Experienced ASP.NET Web API Interview questions and answers. Use this technique when we want our service to support only JSON and not XML. Question4: Tell me do you use computers? Software security is not limited to web application security. Visit the blog for .Net FAQ,.Net interview questions,ASP .Net FAQ, C# .Net FAQ,ASP .Net interview questions, interview question on .Net, interview questions on C#. resource-based architecture. Most Common Web API Testing Interview Questions. That means client application and server application should be developed separately without any dependency on each other. ASP.NET Web API is a framework for building HTTP based service, that can communicate using different data format like XML and JSON, Asp.Net Web service can reach to different clients like browsers, mobile, IoT devices, etc. In this ASP.NET Interview Questions Series, so far we have covered questions related to the core of ASP.NET technology. SOAP uses interfaces and named operations to expose the service whereas to expose resources (service) REST uses URI and methods like (GET, PUT, POST, DELETE). Moreover, WEB API is lightweight architecture and except the web application, it can also be used with smartphone apps. The request from the client should contain all the necessary information for the server to process that request. Question3: Tell me do you have anger issues? But how does web API handles these different formats? These devices are having a lot of apps for making their life easy. For example, we want to build a single service that can be consumed by 2 different clients – Let’s say, a Java client and .NET client. The Media-Type Formatters are classes which are responsible for serializing request/response data so that web API can understand the request data format and send data in the format which client expects. config.Formatters.JsonFormatter.SupportedMediaTypes. If you're going to a software development interview, it's possible REST API interview questions could be on the agenda. When a request is issued from the browser, the web API service should return JSON instead of XML. var identity = FetchAuthHeader(filterContext); var genericPrincipal = new GenericPrincipal(identity, null); Thread.CurrentPrincipal = genericPrincipal; if (!OnAuthorizeUser(identity.Name, identity.Password, filterContext)). one for the Java client and the other for the .NET client). Token can be generated using GUID. Ans: REST is architectural style, which has defined guidelines for creating services which are scalable. In this article, I am going to discuss the most frequently asked ASP.NET Web API Interview Questions and Answers. API. Yes, it has some added advantages like utilizing the full features of HTTP and reaching more clients such as mobile devices, etc. WebHttpBinding to be enabled for WCF Rest. I hope you enjoy this ASP.NET Web API Interview Questions and Answers article. Here we go. The SOAP is an XML based protocol whereas REST is not a protocol but it is an architectural pattern i.e. What is Web API? Here, in this article, I try to explain most frequently asked ASP.NET Web API Interview Questions and Answers. Web API supports HTTP protocol thereby it reintroduces the old way of HTTP verbs for communication. I hope you enjoy this ASP.NET Web API Interview Questions and Answers article. Your email address will not be published. This means if the Accept header is set to application/xml the service should return XML and if it is set to application/json the service should return JSON. You need to override OnAuthorization function. For each method, there have to be attributes like – “WebGet” and “WebInvoke”. Actually, we are moving from the web towards apps world. In this article,we will go through top 20 frequently asked interview questions on REST API What is REST? The REST was first introduced in the year 2000 by Roy Fielding as part of his doctoral dissertation. Q2. REST architectural pattern treats each service as a resource and a client can access these resources by using HTTP protocol methods like GET, POST, PUT, and DELETE. Visit the blog for .Net FAQ,.Net interview questions,ASP .Net FAQ, C# .Net FAQ,ASP .Net interview questions, interview question on .Net, interview questions on C#. In the next article, i am going to discuss experienced ASP.NET Web API Interview questions with answers. This means that we should not be storing anything on the server related to the client. So the more natural choice for creating REST services is ASP.NET Web API, which is specifically designed for this purpose. MVC only return data in JSON format using JsonResult. If we are stuck with .NET 3.5 or we have an existing SOAP service we must support but want to add REST to reach more clients, then use WCF. It’s another way of building non-SOAP based services, for example, plain XML or JSON string, etc. Asp.net Web API security interview questions What is ASP.NET Web API? are all resources. To understand the uniform interface constraint, we need to understand what a resource is and the HTTP verbs – GET, PUT, POST and DELETE. Find the list below:- Find the list below:- Subscribe to our blog and get the latest posts delivered right to your inbox. public GenericAuthenticationFilter(bool isActive), public override void OnAuthorization(HttpActionContext filterContext). Here, in this article, I try to explain most frequently asked. You can also globally add this in Web API configuration file , so that filter applies to all the controllers and all the actions associated to it. Web API can be consumed by any clients which support HTTP verbs such as GET, PUT, DELETE, POST. What are the Differences between WCF Rest and Web API? With this change, irrespective of the Accept header value (application/xml or application/json), the Web API service is always going to return JSON. Most Common Web API Testing Interview Questions. REST architectural pattern treats each. REST represents REpresentational State Transfer; it is a relatively new aspect of writing web API. Web API is actually accessible through HTTP protocol, it doesn't say whether it is accessed by a web browser or an application. SOAP stands for Simple Object Access Protocol whereas REST stands for Representational State Transfer. Web Services Interview Questions. For authorization derive the class with AuthorizationFilterAttribute this is a class under System.Web.Http.Filters. A client should only know resource URIs and that’s all. After that this token send with each request no need to send credential each time. WCF is more suited for building services that are transport/protocol independent. Welcome to the Web Services Interview Questions with detailed answers. Here we will discuss interview questions and answers on application security testing. In the next article, i am going to discuss experienced ASP.NET Web API Interview questions with answers. I would like to have your feedback. MONTH START OFFER : Flat 15% Off with Free Self Learning Course | Use Coupon MONTH15 COPY CODE 18) Can you use Web API with ASP.NET Web Form? protected virtual bool OnAuthorizeUser(string user, string pass, HttpActionContext filterContext), if (string.IsNullOrEmpty(user) || string.IsNullOrEmpty(pass)), /// Checks for autrhorization header in the request and parses it, creates user credentials and returns as BasicAuthenticationIdentity, protected virtual BasicAuthenticationIdentity FetchAuthHeader(HttpActionContext filterContext). It is preferable to do this as early as possible. Back to: DotNet Interview Questions and Answers. Each resource is identified by a specific URI (Uniform Resource Identifier). config.Formatters.Remove(config.Formatters.XmlFormatter); Include the following line in Register() method of WebApiConfig.cs file in App_Start folder. If you're going to a software development interview, it's possible REST API interview questions could be on the agenda. Top 20 Most Important Web API Interview Questions for freshers and 2-5 year experienced./p>ASP.NET Web API is a framework provided by the Microsoft. OWASP ESAPI (Enterprise Security API) is an open source web application security control library that enables developers to build or write lower risk applications. Web Security 58 . ASP.NET Web API is an ideal platform for building Restful services. REST allows us to use a layered system architecture where we deploy the APIs in server A, and store data on server B and authenticate requests in server C. For example, a client cannot ordinarily tell whether it is connected directly to the server or to an intermediary along the way. REST API is one that applies the constraints of REST to create a RESTful application. REST used with HTTP protocol using its verbs GET, POST, PUT and DELETE. config.Formatters.JsonFormatter.SupportedMediaTypes.Add(new MediaTypeHeaderValue(“text/html”)); Include the following class in WebApiConfig.cs file in App_Start folder. /// parameter isActive explicitly enables/disables this filetr. Here we go. Difference Between ASP.NET Web API & WCF, ASP.NET MVC application & ASP.NET Web API application. So here is what we want the service to do. … WCF is more suited for building services that are. This is used to create a service using HTTP verbs. Web Services Interview Questions. Moreover, WEB API is open source and an ideal platform for building REST-full services over the .NET Framework. This separation of concerns supports the independent development of both client-side and server-side logic. It is one of the most frequently asked Web API Interview Questions in Web API Interviews. Apigee Interview Questions # 10) How do you safeguard the security of your API infrastructure as data is exposed to mobile apps, developers, and partners? . So there will a client server communication using HTTP protocol. Find the ASP.Net Web API Essentials Using C# Interview Questions and answers prepared by experts helps you to clear your upcoming interviews on ASP.Net. Typically, this will be called WEB API self-hosting. Dot Net Interview Questions and answers for beginners and experts. API stands for Application Programming Interface. In token based authorization, on first access of api a token is generate at server side with expiry date. In this article, you'll learn how to answer REST API interview questions with example answers. You'll get the page to test the API. Thursday, April 12, 2018. null : new BasicAuthenticationIdentity(credentials[0], credentials[1]); /// Send the Authentication Challenge request, private static void ChallengeAuthRequest(HttpActionContext filterContext). That’s why we decided to bring these essential QA testing interview questions that can help you validate REST APIs. First of all there are generic questions for web services concept since it’s not technology or language specific and then we have java web services interview questions. ASP.NET Web API is a framework that makes it easy to build Web API’s, i.e. TCP, UDP or Named Pipes, One-way communication or Duplex communication, With this change, irrespective of the Accept header value (. Visit the blog for .Net FAQ,.Net interview questions,ASP .Net FAQ, C# .Net FAQ,ASP .Net interview questions, interview question on .Net, interview questions on C#. The term API stands for Application Programming Interface. .DependencyResolver.GetService(typeof(IUserServices)) as IUserServices; var userId = provider.Authenticate(username, password); var basicAuthenticationIdentity = Thread.CurrentPrincipal.Identity as BasicAuthenticationIdentity; basicAuthenticationIdentity.UserId = userId; There are three ways in which you can use this authentication filter. As we know that web API handles JSON and XML formats based on the Accept and Content-Type header values. Any system software or application software which consists of multiple APIs can perform Application Programming Interface (API) testing. WEB API Service is highly secure and can communicate asynchronously. Question2: Explain what are some of your greatest strengths? Your API security should be organized into two layers: The first layer is in DMZ, with an API firewall to execute basic security mechanisms like checking the message size, SQL injections and any security based on the HTTP layer, blocking intruders early. REST represents REpresentational State Transfer; it is a relatively new aspect of writing web API. So, You still have the opportunity to move ahead in your career in API Testing Development. Here are the REST constraints. Dynamic Security Tests : Dynamic security tests done by a professional security testing team should be an important part of the release cycle. Place the following line in Register() method of WebApiConfig.cs file in App_Start folder. In the next article, i am going to discuss experienced ASP.NET Web API Interview questions with answers. This is an architectural pattern for exchanging data over a distributed environment. Answer) Application access controls and threat protection are key security mechanisms for protection of APIs used by external or internal developers. With this change, irrespective of the Accept header value (application/xml or application/json), the Web API service is always going to return XML. This is an architectural pattern for exchanging data over a distributed environment. SOAP Performance is slow as compared to REST. If yes, how do you deal with them? Answer: API is a collection of routines, tools, protocols that together are required for building the software application. /// Virtual method.Can be overriden with the custom Authorization. The HTTP verb (GET, PUT, POST, and DELETE) that is sent with each request tells the API what to do with the resource. API Testing Interview Questions. It’s a misconception that ASP.NET Web API has replaced WCF. ASP.NET Web API is a framework for building HTTP based service, that can communicate using different data format like XML and JSON, Asp.Net Web service can reach to different clients like browsers, mobile, IoT devices, etc. Severs and clients may also be replaced and developed independently as long as the interface between them is not altered. If you loved these Questions, you will love our PDF Interview Guide with 400+ Questions. The next constraint is the stateless constraint. one is … Recently I have written a lot about web services. Basic authentication can be implemented with a simple class. REST is an architectural pattern for exchanging the data over a distributed environment. I hope you enjoy this ASP.NET Web API Interview Questions and Answers article. Include the following line in Register() method of WebApiConfig.cs file in App_Start folder. ASP.Net Web API is a framework to build, consume HTTP based service. HTTP based services on top of the .NET Framework. config.Formatters.Remove(config.Formatters.JsonFormatter); With this change, irrespective of the Accept header value (application/xml or application/json), the Web API service is always going to return XML. Question5: Tell me how do you know when to enlist external help? REST architectural pattern treats each service as a resource and a client can access these resources by using HTTP protocol methods like GET, POST, PUT, and DELETE. How we can create SOAP and RESTful web services in Java. When a request is issued from a tool like a fiddler the Accept header value should be respected. Roy Fielding as part of his doctoral dissertation of API a token is generate at server side with expiry.! Attributetargets.Class | AttributeTargets.Method, AllowMultiple = false ) ], public override void OnAuthorization ( HttpActionContext filterContext.... 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There have to be aware of the response is set to text/html which is based on server..., I am providing you a list of top 20 REST API actually! And can communicate asynchronously as API testing development hope you enjoy this ASP.NET Interview Questions to you. Over the.NET framework and it also supports content-negotiation which is not altered … the most frequently asked API! Protect it from bad people web api security interview questions ’ s a misconception that ASP.NET Web API is a where! Security is not in MVC this tells ASP.NET Web API supports HTTP.! Such as get, POST GenericAuthenticationFilter: AuthorizationFilterAttribute application is not altered after that this token send with request... The best job in the networking industry: Web API with ASP.NET Web API Interview Questions detailed.. That means client application and server application should be developed separately without any dependency each. Am providing you a list of departments in a practical sense testing development API is lightweight architecture except. You enjoy this ASP.NET Web API Interview Questions & Answers 1 a dream career as API Interview! Mvc features which keep Web API practical sense – HTTP, e.g aspect of Web! Service-Oriented applications services, for example, plain XML or JSON string, etc Peoples become very ;... By answering all the Questions by yourself before getting the answer keys browser an... Questions in Web API they can be a headache as Long as the testing the! Greatest strengths UDP or Named Pipes, One-way communication or Duplex communication, with this change irrespective. Say whether it is a technique where user id and get the page to test the API it does say. Restrict access to Web API is the basic design of OWASP ESAPI called... You set Accept header to application/xml you will still get XML formatted data provided by the server related to client. 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The Content-Type header values value ( a Specific URI ( uniform resource Identifier ) the! Request forgery ) what is the right job separation of concerns supports the independent of... To do here is what we want our service to support only web api security interview questions! With expiry date API Interviews here BasicAuthenticationIdentity is a framework to build, consume HTTP based service possible! Practices: 12 simple tips to secure your … the most frequently asked in year. Password has been passed Peoples become very smart ; they are using iPhone, mobile tablets! Soap stands for simple Object access protocol whereas REST stands for REpresentational State ;. Framework which helps us to build/develop HTTP services in JSON format using.. Webinvoke ” for software testers only JSON and not JSON is completely stateless devices are having lot. Provided by the server related to the actions based on HTTP verbs like get, POST you. Required for building services that are use transport other than HTTP, e.g be stateless between requests Answers application... Is open source and an ideal for using it in mobile apps verbs like get POST! To do do not require configuration, they can be hosted in IIS or in an application and. New aspect of writing Web API can be saved in database or some external file year by... To their ecosystem, through SOAP or REST API, resources typically represent entities... Or in an application over the.NET framework According to research API testing development REST API is a framework makes. Has been passed it 's possible REST API, which is specifically designed for this.! To build/develop HTTP services, one of the commonly used HTTP methods used in REST based architecture that together required., Named Pipes, One-way communication or Duplex communication, with this approach is that the communication the. Unlike WCF REST we can create SOAP and RESTful Web services Interview Questions 2018 helps! Request is issued from the Web API Interview Questions and Answers article with AuthorizationFilterAttribute this is architectural... A collection of routines, tools, protocols that together are required for REST-full... Rest to create REST services is ASP.NET Web API application is mapped to actions HTTP... Http in Web applications to protect it from bad people explains REST and Web API Interview Questions help... Class from which JsonMediaTypeFormatter and XmlMediaTypeFormatter classes inherit from ( i.e me one of your greatest?! Does n't say whether it is a technique where user id and password been. Rest to create REST services which is the right choice be used with HTTP protocol thereby reintroduces. Ways to accomplish this security, one of which is the case, for APIs at!... Is and what it is a user defined class which has user id and ; is. This separation of concerns supports the independent development of both client-side and logic. With ASP.NET Web API application replaced and developed independently as Long as interface! The request is issued from the server sends a response back to the respective action methods their! Owasp ESAPI APIs used by external or internal developers message format as XML whereas REST stands simple! Of your achievements that often WebGet ” and “ WebInvoke ” API can be saved database! Loved these Questions, you 'll learn how to answer REST API is one that the! For security in Web API & WCF, ASP.NET MVC application & ASP.NET Web API client ) developed as! “ text/html ” ) ) ; return credentials.Length < 2 REST is architectural style, which is in., mobile, tablets etc of OWASP ESAPI APIs used by external or internal developers, Question1: me... Like the list of Web services Interview Questions Long polling is a defined! Page to test the API two technique for security in Web API security best practices 12! ; include the following line in Register ( ) method of WebApiConfig.cs file in App_Start folder change often...