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What are some of the differences between Agile and Waterfall? Waterfall model is a sequential Software Development process, in which progress is seen as flowing steadily stage by stage. Agile is a group of software development methods based on iterative and incremental development, where requirements and solutions evolve through collaboration between self-organizing, cross-functional teams. What is the difference between a test case and a test plan? Test case is the smallest possible document in software testing dealing with one requirement. Test plan is opposite - it deals with the objectives, scope, approach, and focus of a software testing effort. What is the software development life cycle? Conceptual model used in project management that describes the stages involved in an information system development project, from an initial feasibility study through maintenance of the completed application How do you determine when you have done enough testing? When testing process comes to the point at which additional tests will not significantly change quality of the software. What is API Testing? API (Application Programming Interface) is a computing interface which enables communication and data exchange between two separate software systems. Software system that executes an API includes several functions/subroutines that another software system can perform. API defines requests that can be made, how to make requests, data formats that can be used, etc. between two software systems. API TESTING is a software testing type that validates Application Programming Interfaces (APIs). The purpose of API Testing is to check the functionality, reliability, performance, and security of the programming interfaces. In API Testing, instead of using standard user inputs(keyboard) and outputs, you use software to send calls to the API, get output, and note down the system’s response. API tests are very different from GUI Tests and won’t concentrate on the look and feel of an application. It mainly concentrates on the business logic layer of the software architecture. What is use case? Use cases are used by Business Analysts as a format for specifying system requirements. Each use case represents completed business operation performed by user. Build - compiled version of the software product with the most recent updates made to the code. Release - Build going to the users/customers. Version - unique ID assigned to the software product to inform USERS about state of the application, its features. manual testing is Human execution of test procedures without using test automation tools or programming languages. Functional testing is conducted to verify that functions of a system are working as specified. Typically functions are described in work products (requirements, specifications, etc), but can be undocumented. User Acceptance Testing is the very last test executed by SMEs subject matter experts on behalf of the future users. What is Boundary Testing? Boundary testing or a Boundary value analysis explores values near the limits of valid ranges. Positive testing Aimed at showing that software handles properly situations in which user acts as expected. negative testing Aimed at showing that software handles properly situations in which user acts not as user is supposed to act (invalid actions, inputs, settings.)