In this quick tutorial, we explain the most important HTTP response status codes every SDET and QA Engineer must know.
🔹 100 – Informational
🔹 200 – Success
🔹 300 – Redirection
🔹 400 – Client Errors
• 401 – Unauthorized
• 403 – Forbidden
🔹 500 – Server Errors
Understanding HTTP status codes is essential for:
• API Testing
• REST Assured
• Backend validation
• SDET interviews
If you are preparing for automation testing interviews, this topic is critical.
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