ISTQB Agile Tester Extension – Foundation Level : The Agile Extension exam consists of 40 multiple choice questions designed to evaluate a candidate’s knowledge and understanding of the Agile syllabus. A grade of 65% or better must be attained in order to pass. The exam is a closed book exam. You have 60 minutes to finish. Proof of CTFL certification is required in order to be granted access to register for the exam at a test center. An email to [email protected] containing the exact name on the CTFL certificate will accomplish this.