Lesson 1: The change that took a site offline · 9 min
Before you begin · The outage · What went wrong
Learners prepare on their own, you answer questions live, and the surveys tell you what stuck. 6 fields to fill in with your own policy, contacts and locations; each one is highlighted inside the course.



What learners can do at the end of each lesson. Minutes are an estimate.
Before you begin · The outage · What went wrong
Layers · Subnet drill · Check
Which device? · Check · Check
Segments · Allow or deny
Change steps · Order it · Check
Incident flow · Practice