ACE Exam (PAN-OS 8.1 version)
The ACE exam is web-based and consists of 40-50 multiple-choice questions. The exam is not timed, and you can retake it as many times as necessary to earn a passing score.
The Palo Alto ACE - Accredited Configuration Engineer credential does not expire and has no recertification requirements. Once you earn a version of the ACE credential, it stays with you for life. The ACE credential changes with each major version of the software that runs the Palo Alto Networks platform.