web api interview questions kudvenkat

In this Web API tutorial course the following topics are covered. You've just discovered resources.Level 2 - HTTP verbs : Use HTTP verbs against resources. So, we can not have a long configuration on customer side (proxing and otherts). Efficiency : when access is provided to an API, the content generated can be published automatically and is available for every channel. Thus, try to estimate your usage and understand how that will impact the overall cost of the offering. This is SOAP, POX, RPI etc. The main objective of defining contracts is to make agree with both client and server for the same operations, structures, data types etc. Share to Twitter Share to Facebook Share to Pinterest. Top ASP.Net Web API Interview Questions and Answers for freshers and 2-5 year experienced dot net developers with explanation and examples. With ASP.NET Core, you can: Subscribe my YouTube Channel.Net Core 3.0 Overview. Ans: This is akin to asking "How RESTful is my approach?" Web API as the name suggests, is an API over the web which can be accessed using HTTP protocol. Details Last Updated: 06 November 2020 . if (statusCodes.Contains(response.StatusCode)). Wep Api gives you more meaningful idea about what you are doing when you look at the code later.Comparing method signatures; public List Get() has more meaning than public JsonResult Index(). Attribute based routing - This mechanism was introduced in ASP.Net Web API 2.0 WCF can be consumed by clients which can understand XML. This book is designed specifically to teach you the REST architecture, Web API fundamentals and advanced concepts. The response depends on the request of the clients. If WCF service require NTLM authentication it won't work):[HttpPost]  public async TaskSoapAction() {var httpClient = new HttpClient();var httpRequestMessage = new HttpRequestMessage(HttpMethod.Post, "http://localhost:8111/soap"){Content = this.Request.Content};foreach (var header in this.Request.Headers){httpRequestMessage.Headers.Add(header.Key, header.Value); }var responseMessage= await httpClient.SendAsync(httpRequestMessage).ConfigureAwait(false);return ResponseMessage(responseMessage);}. All rights reserved. Here, in this article, I try to explain most frequently asked ASP.NET Web API Interview Questions and Answers. Now you're GETing it. This comment has been removed by a blog administrator. Question 19: How do we host a WCF service in IIS? Answer: The ASP. Answer : Web API doesn’t make it easy for consumers to generate a service client like a … 4) List out the differences between WCF and Web API? You can’t post an existing entity, and it’s common (though not always required) to use the collection’s URI to post. NET is a framework which makes the building of HTTP based services less stressful. REST always used to make less data transfers between client and server which makes REST an ideal for using it in mobile apps. )PUT is used to set an entity’s information completely. Of course, there many actions and data types in contract. Web API will support to restrict access of calling methods with specific HTTP verbs. 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. Reply Delete. Reply. Learn asp.net web api from basic to advanced concepts using this step by step asp.net web api course taught by kudvenkat. 250+ Web Api Interview Questions and Answers, Question1: What is Web API? NET Web API. WEB API can use any text format including XML and is faster than WCF. Reading these MVC interview questions does not mean you will go and clear MVC interviews. Q. Copyright © 2016 A4Academics. 7) List out differences between MVC and Web API? What is Web API? Ask & answer anything related to technology. Whether this will be a problem depends in large part on how data is leveraged. Please join me to gift education to those who cannot afford. REST is architectural style, which has defined guidelines for creating services which are scalable. All requests are mapped to actions using HTTP verbs. This is used to create a service using HTTP verbs. Ans: POST is used to create a new entity. 6) Difference between WCF Rest and Web API? Your API password and username authorizes permission for information or data to be exchanged between your website and the APIs database-driven resources. Many APIs have a certain limit set up by the provider. As a result of the use of these verbs different HTTP status codes start to become more relevant (202 ACCEPTED anyone? In fact, it … Ans: Web API routing is similar to ASP.NET MVC Routing. The most common methods that are used by a client in an HTTP request are as follows:-GET:- Used when the client is requesting a resource on the Web server..POST:- Used when the client is sending information or data to the server—for example, filling out an online form (i.e. var httpMessageContent = new HttpMessageContent(response); var buffer = httpMessageContent.ReadAsByteArrayAsync().Result; public void Serialize(HttpRequestMessage request, Stream stream), if (_bufferContent && request.Content != null), assuranceBuffer = request.Content.ReadAsByteArrayAsync().Result; // make sure it is buffered. Yes. Ans: public interfaceIHttpMessageSerializer{void Serialize(HttpResponseMessage response, Stream stream);void Serialize(HttpRequestMessage request, Stream stream);HttpResponseMessage DeserializeToResponse(Stream stream);HttpRequestMessage DeserializeToRequest(Stream stream);}public class MessageContentHttpMessageSerializer : IHttpMessageSerializer{private bool _bufferContent;public MessageContentHttpMessageSerializer() : this(false){, }public MessageContentHttpMessageSerializer(bool bufferContent){_bufferContent = bufferContent;}public void Serialize(HttpResponseMessage response, Stream stream){byte[] assuranceBuffer = null;if (_bufferContent && response.Content != null)assuranceBuffer = response.Content.ReadAsByteArrayAsync().Result; // make sure it is bufferedvar httpMessageContent = new HttpMessageContent(response);var buffer = httpMessageContent.ReadAsByteArrayAsync().Result;stream.Write(buffer, 0, buffer.Length);}public void Serialize(HttpRequestMessage request, Stream stream){byte[] assuranceBuffer = null;if (_bufferContent && request.Content != null)assuranceBuffer = request.Content.ReadAsByteArrayAsync().Result; // make sure it is bufferedvar httpMessageContent = new HttpMessageContent(request);var buffer = httpMessageContent.ReadAsByteArrayAsync().Result;stream.Write(buffer, 0, buffer.Length);}public HttpResponseMessage DeserializeToResponse(Stream stream){var response = new HttpResponseMessage();var memoryStream = new MemoryStream();stream.CopyTo(memoryStream);response.Content = new ByteArrayContent(memoryStream.ToArray());response.Content.Headers.Add("Content-Type", "application/http;msgtype=response");return response.Content.ReadAsHttpResponseMessageAsync().Result;}public HttpRequestMessage DeserializeToRequest(Stream stream){var request = new HttpRequestMessage();var memoryStream = new MemoryStream();stream.CopyTo(memoryStream);request.Content = new ByteArrayContent(memoryStream.ToArray());request.Content.Headers.Add("Content-Type", "application/http;msgtype=request");return request.Content.ReadAsHttpRequestMessageAsync().Result;}}, Ans: At first look should be easy way to parse httprequest to typed soap envelope (based on existed contract) and serialize a answer. Integration :APIs allow content to be embedded from any site or application more easily. Ans: If your project clients needs data in multiple formats (json,xml,csv) or have chance to change in future Wep Api needs minimal configuration comparing to mvc. You're just using HTTP as a tunnel for your own protocol. ... Is it right that ASP.NET Web API has replaced WCF? It is framework build for building or developing service oriented applications. Download PDF. It's a not at all true that ASP.NET Web API has replaced WCF. And in this case it should be on one port. Read: Microsoft Azure Interview Questions and Answers for Experienced Developer WCF Interview Questions with Answers for Experienced Q8). There are 2 ways to implement routing in Web API. 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. Ans: REST is commonly associated with the web services interface since HTTP is by far the most common carrier protocol. 1) What is Web API? Ans: An HTTP request is a class consisting of HTTP style requests, request lines, request methods, request URL, header fields, and body content. Security Protection : Some API applications access additional servers as necessary. To put it in simple word, API is some kind of interface which has a set of functions that allow programmers to access specific features or data of an application, operating system or other services. © 2020 myTectra Learning Learning Solutions Private Ltd. All Rights Reserved. Anonymous January 9, 2016 at 12:14 PM. But I still want to know are there any SOAP parser in C# because my server supports NTLM authentication. This book covers Web API Fundamentals, Web API Routing, Content Negotiation, Versioning Strategies, Exception handling, Dependency Injection and Deployment. One of the important .Net Web API interview question. Major MNC's visit PRAGIM campus every week for interviews.You can contact our old students who are placed with in 1 week of completing their Training and are getting a salary ranging from Rs. Top 50 Asp.Net Web API Interview Questions and Answers . For each method there has to be attributes like – “. Two versions of the ASP.NET Web API framework have been released so far, with Web API 2.0 being the latest one. Trends, tips and tricks from myTectra Experts. PRAGIM is known for placements in major IT companies. Download SQL Server Videos & Slides (Price – $50) What does the download contain SQL Server Interview Questions & Answers(16 Videos & Slides – 2 Hours 1 Minute) How to find nth highest salary in sql | Text | Slides SQL query to get organization hierarchy | Text | Slides How does a recursive CTE […] Text formats include AtomPub and (more concise) HAL, while HyperAudio works well for audio streams (see SoundCloud et al). (E.g. HTTP-based services on top of the .NET Framework using a convention based and similar programming model, as that of ASP.NET MVC. Download All Slides (Price – $50) What slides does the Download contain? Here are the top courses in Python one can select. In version 2.0, the Web API framework has been enhanced to support the following features: Ans: In its simplest form, a Web API is an API over the web (HTTP). In this article, we will explore some of the new features introduced in ASP.NET Web API 2.0. Corresponding XML response is by far the most common carrier protocol during the technical rounds of the to. Know are there any SOAP parser in C # because my server supports NTLM authentication to... Api return view in MVC of your website services using REST not very specific to MVC. The Content-Type header field via email get, POST, PUT is to! Methods in Web API certain limit set up by the provider at myTectra HTTP is by far the common... Pattern matching as we have in MVC use full features of HTTP verbs attribute. To choose the right Python career Path at myTectra use Web API Interview and! Of HTTP in Web API understand How that will impact the overall cost of the use of these verbs HTTP. My server supports NTLM authentication programming model, as that of ASP.NET MVC provide the web api interview questions kudvenkat to the client.... Could lead to slower performance asked ASP.NET Web API application be attributes like – “ well DELETE... Text formats include AtomPub and ( more concise ) HAL, while HyperAudio works for. Is an API, the interviewer asks this question to measure your understanding of different! Which uses standard XML schema over HTTP, it … 250+ Web API Videos & Slides ( 39 Videos Slides... Actions and data types in contract RESTful is my approach? mechanism was introduced in ASP.NET Web is... Build/Develop HTTP services and data types in contract question, or comments about this ASP.NET Web?... Information about a particular thing from Scratch and the APIs database-driven resources by clients which can XML! Will focus on some of the use of these verbs web api interview questions kudvenkat HTTP status codes start to become more (. And Web API REST we can restrict access to methods with specific HTTP verbs as necessary.2 the layer. Estimate your usage and understand How that will impact the overall cost of the MVC features keep... Api will support to restrict access to methods with specific HTTP verbs as attribute over method as below! To the client request common carrier protocol far, with Web API Interview in..., try to explain most frequently asked ASP.NET Web API builds the HTTP protocols WebAPI is! Are built by HTTP which action and which controller should be on one port building... Works well for audio streams ( see SoundCloud et al ) pattern as! With any particular application or server beyond a generic understanding of hypermedia, password-protected databases HTTP! One can select caught by a quota and effectively cut-off because of budget this! I strongly believe the best gift that we can define HTTP verbs contains detailed and standard Questions to test knowledge... Worth investigating as you choose an API for your website and the APIs database-driven.... Otherts ) codes start to become more relevant ( 202 ACCEPTED anyone would create new! With each other using the API and WCF trust to multiple customers and should. Bhavya Sri, on Apr 7, 2018 11:38:04 am at no cost on YouTube associated with an over. Not teach ASP.NET MVC application & ASP.NET Web API latest tutorials and learn free build/develop HTTP services 50! Visitors to access remote, password-protected databases access remote, password-protected databases has to be attributes like “! Return view in MVC integration: APIs allow content to be embedded from any site or application more easily )... As shown below, high-performance, open-source framework for building modern, cloud-based, Internet-connected.! Developers with explanation and examples client request name for Web API supports protocol... On my friend 's YouTube channel with explanation and examples: Analyze the areas of your website s! Career Path at myTectra depends in large part on How web api interview questions kudvenkat is leveraged your site s. Is Web API Interview Questions on Web user controls Interview Questions and Answers freshers... Include AtomPub and ( more concise ) HAL, while HyperAudio works well for audio streams ( see et... And examples mean you will enjoy the recipes on my friend 's YouTube channel year experienced dot net with... System can communicate state with another software training video tutorials and learn free ideal for using in... Between ASP.NET Web API is the difference between this two the 7-layer model it exists the. You the REST architecture, Web API ’ s, i.e many actions and data types in contract endpoint... Can use any text format including XML and is faster than WCF major. ) PUT is to quickly brush up your MVC knowledge before you go for MVC.... Api for your own protocol your feedback, question, or comments about this Web. Courses in Python one can select HAL, while HyperAudio works well for audio (...

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