2 min lesson
The four pillars: identity, access, automation, fleet
Start at the first move in "The four pillars: identity, access, automation, fleet" and carry it through to the proof.
Step 1 of 2
Everything in this job decomposes into four systems. Hold them in your head as a map, because the loop tests each one and the later modules go deep on each.
Read this section as the role contract. The diagram or table names the surface area, but the interview signal is whether you can turn it into a clear operating claim: what you own, what you do not own, what evidence proves the work is working and where judgment matters.
The pillars aren't independent. Identity feeds access, access is enforced by automation and automation reaches all the way to the fleet. A clean answer names the pillar and how it connects to the next one.
Interactive diagram. Tab through its regions; each focused region shows its detail in the panel below.
Read top to bottom: each pillar rests on the one below - that dependency chain is the signal.