The difference between REST and SOAP is given below: SOAP stands for Simple Object Access Protocol whereas REST stands for Representational State Transfer. In fact, even portable devices such as mobile devices can easily use Web API, which is undoubtedly the biggest advantage of this technology. Question 4. It is known for designing and developing web services as well as enabling communication between applications developed on different platforms using various programming languages over the Internet. The five most important principles of an API test design are: While there are certainly specialty tests, and no list can be asked to be comprehensive in this realm, most tests fit broadly into these following nine categories that you should remember before attending in an API testing interview. In an API interview, they are likely to ask about the advantages of API testing. Setup: Create objects, start services, initialize data, etc, Execution: Steps to apply API or the scenario, including logging, Verification: Oracles to evaluate the result of the execution, Interoperability and WS Compliance testing, Choose the suite to add the API test case, Demand the development of test cases for the required API methods, Configure the control parameters of the application and then test conditions, Check test reports and filter API test cases, Data type, validations, order and completeness, Non-functional testing like performance and security testing, Verifying the calls of the mixture of two or more added value parameters, Defining the basic functionality and scope of the API program, Writing appropriate API test cases and making use of testing techniques such as equivalence class, boundary value, etc. Dot Net Interview Questions and answers for beginners and experts. Before your download starts, please tell us more about yourself so that we can serve you better. API and Web services serve different functions. Demonstrate your knowledge and understanding of API by addressing the question before supplying your answer. Check 35 LINQ Interview Questions and Answers in 2019 and Land Your Next Six-Figure Job Offer! The SOAP requests can be sent using an HTTP GET method while the specification only contains details about HTTP POST. Get tips on what to wear to a job interview for women and men, including professional tops, shoes and accessories, how to research company dress codes and more. XML and JSON are the most popular representations of resources. Throughout the process, the API called from the original environment is set up with different parameters to study the test results. There are two different methods available for developing SOAP-based web services, which are explained below: “Contract-first” method is the most popular approach. Or we want to create an API that will be easily used by other developers publicly then we should go with REST. resource-based architecture. Thank you. We look forward to a better and more adequate list to all testers. Since WSDL is created based on the code, bottom-up approach is easy to implement and client codes must wait for WSDL from the server side to start working. The form is for scheduling calls with our Sales team only. However, APIs have multiple methods of communication. Applied online thru indeed - was contacted via email to come in for an interview. The term REST stands for REpresentational State Transfer. Dot Net Interview Questions and answers. It creates read-only requests to the server. SOAP is typically significantly slower than other types of middleware standards, including CORBA, because SOAP uses a detailed XML format. Attribute based routing - This mechanism was introduced in ASP.Net Web API 2.0 It is a compact reference manual that has all the information needed to work with the API, and helps you answer all the API testing questions with details on functions, classes, return types, arguments, and also examples and tutorials. These questions are guidelines to assess the candidate about ASP.NET Core.These interview question covers basic to advance and will help you to prepare for the interviews, quick revision and provide strength to your technical skills. As with any interview, it’s important to prepare answers ahead of time to ensure that you effectively communicate the skills and knowledge necessary for the job. Can We Do Unit Test Web Api? All Web services are APIs but not all APIs are Web services. ", Interview Question: "What is your Teaching Philosophy? Ans: An API is designed to access the features or the functions of an operating system. 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