Do you need a HERMES certification to obtain a mandate? Do you want to use the HERMES method to manage your projects? Do you want to certify one or more employees to ensure the quality of your services? A classic HERMES Foundation (typically 2 days) or Advanced (typically 3 to 4 days) certification preparation course will block you for several days, which for a consultant translates into a significant loss of earnings. In order to maintain more flexibility, you may be inclined to study the HERMES Reference Manual on your own instead. But how can you be sure that you are sufficiently prepared to pass the exam? On the Internet you will find some sample exam questions, but complete and realistic mock exams? In the following, we present innovative solutions that allow each candidate to discover, assimilate and practice for the certification at their own pace.