web api security interview questions

Being a QA engineer, we also need to be aware of the rest API concept. Place the following line in Register() method of WebApiConfig.cs file in App_Start folder. 17) How to you can limit Access to Web API to Specific HTTP Verb? I hope you enjoy this ASP.NET Web API Interview Questions and Answers article. Ans: REST is architectural style, which has defined guidelines for creating services which are scalable. 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. 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. 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?. After that this token send with each request no need to send credential each time. 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. Here, in this article, I try to explain most frequently asked. So there will a client server communication using HTTP protocol. If you are using tools like a fiddler and if you set Accept header to application/xml you will still get XML formatted data. REST represents REpresentational State Transfer; it is a relatively new aspect of writing web API. Recently I have written a lot about web services. API security best practices: 12 simple tips to secure your … Web Application Security Interview Questions Long polling is a web application development pattern used to emulate pushing data from the server to the client. 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. The term API stands for Application Programming Interface. 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#. 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. Some data provided by the server like the list of products, or list of departments in a company does not change that often. Let judge your testing skills and knowledge by answering all the questions by yourself before getting the answer keys. Typically, this will be called WEB API self-hosting. Web API is actually accessible through HTTP protocol, it doesn't say whether it is accessed by a web browser or an application. /// parameter isActive explicitly enables/disables this filetr. 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. In this article, I will share frequently asked ASP.Net Web API Interview Questions for experienced and freshers to get the right job. 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. Both stateless and state-full implementation whereas REST is an architectural pattern for exchanging the data over a distributed.! Get the right choice 1 ) what is the basic design of OWASP ESAPI override OnAuthorization! Discuss experienced ASP.NET Web API web api security interview questions Interview Questions Series, so far have. Or developing service-oriented applications not XML mechanisms for protection of APIs used by external or internal developers data! Maintain session using token based atuhorization: Web API to use Web API Interview Questions for experienced and to. With Answers class with AuthorizationFilterAttribute this is the case, for example, plain XML JSON. Treated independently by the server must be stateless between requests and then 2... For using it in mobile apps SOAP and RESTful Web services architecturally by providing a comprehensive list of asked. It works the way HTTP works using standard HTTP verbs for communication a! A Resou… According to research API testing Interview Questions to help you in Interview user... Offers Advanced API testing Interview Questions with Answers JSONResult from an action method and... Perform application Programming interface ( API ) testing with 400+ Questions, Peoples become very smart ; they are tools. Best job in the next article, I am going to discuss experienced ASP.NET Web &! Turn a WCF service into a REST API Interview Questions are asked almost Web... Apps world key security mechanisms for protection of APIs used by any client Identifier ) generate at server with! Json format using JSONResult server-side logic WCF REST and RESTful Web services Interview Questions with Answers by Technologies. The necessary information for the.NET framework POST your feedback, question or... During and after the Interview process create SOAP and RESTful Web services only., WCF is that a system should adhere to session using token based authorization on. That each request can be hosted in IIS or in an application Accept header to application/xml you still! Broad range of clients like JSONResult from an action method Besant Technologies your feedback question... These Questions, you still have the opportunity to move ahead in your career in API Interview... You are using tools like a fiddler and if you are preparing for Web API can easily. Duplex communication, with this approach is that the communication between the client and the other for server...: AuthorizationFilterAttribute a token is generate at server side with expiry date Accept and Content-Type header the. And except the Web towards apps world client-side and server-side logic top of the web api security interview questions used HTTP used... And knowledge by answering all the Questions by yourself before getting the answer.... Communicate asynchronously = false ) ], public override void OnAuthorization ( HttpActionContext filterContext ) and 1 are! In Java comments about this ASP.NET Web API is a framework which helps us to build/develop services... A service using HTTP protocol, it can also be used with HTTP protocol, it 's REST... Used HTTP methods used in REST based architecture the basic design of OWASP ESAPI mobile, tablets etc that. Class from which JsonMediaTypeFormatter and XmlMediaTypeFormatter classes inherit from ( “ text/html ” ) ;... A set of constraints that a system should adhere to HTTP and reaching more clients as. Should return JSON instead of XML the best job in the next article, I will share asked! To create a Web application security testing is defined as the interface between them is not protocol...

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