This document discusses the Agile Tester Extension certification from ISTQB. It provides an overview of why the extension was created, the learning objectives, and content covered in the exam. The extension focuses on helping testers adapt their skills to agile software development principles and practices. Key points covered include understanding agile methodologies, the role of testing in agile projects, testing techniques for agile projects, and tools used by testers in agile teams. The exam consists of 40 multiple choice questions across different knowledge levels with a pass score of 65%.