Atlassian certification courses have expanded my knowledge!
I own the ACP-100 Jira Administrator, the ACP-600 Project Administration in Jira Server, and the ASB-114 Jira Scaling. I can recommend to all at least preparation for certification - you will learn a lot of useful information.
Pavel
Hello @Pavel Junek
Is there any learning, in particular, you would emphasize as 'the biggest take away' from the certification? Configuration knowledge, setup knowledge, day-2-day management skills, ...