API Testing Interview Questions Practice Test | Freshers to Experienced | Detailed Explanations for Each Question
Sub Category
- Programming Languages
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Objectives
- Master HTTP protocol fundamentals including status codes, headers, and the technical difference between RESTful methods like PUT vs. PATCH.
- Validate complex API responses using JSON/XML schema validation, data-driven testing, and advanced assertion techniques in Postman and REST Assured.
- Implement robust security testing patterns, including OAuth 2.0, JWT authentication, and identifying top OWASP API security vulnerabilities.
- Solve high-level architectural interview scenarios involving microservices, contract testing, rate limiting, and production debugging strategies.
Pre Requisites
- A basic understanding of Software Testing concepts and the Software Development Life Cycle (SDLC) is helpful but not mandatory.
- Familiarity with any programming language (like Java or JavaScript) will help you grasp the automation sections faster, though explanations are thorough.
- Access to a computer with an internet connection to install free, industry-standard tools like Postman and an IDE for automation practice.
- No prior professional API testing experience is required—I have designed these questions to take you from foundational concepts to expert-level logic.
FAQ
- Q. How long do I have access to the course materials?
- A. You can view and review the lecture materials indefinitely, like an on-demand channel.
- Q. Can I take my courses with me wherever I go?
- A. Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!
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