Pruvos Journal
Notes from the exam-prep trenches
Essays on certification study, exam traps, and cloud-security careers, written by the people who generate the 28,000+ questions in Pruvos.
GCP PCACase Studies
GCP case studies decoded: what the Mountkirk, EHR, and TerramEarth stems are actually testing
The PCA case studies look like filler text. They are not. Each one is testing a specific architectural trade-off, and once you see the shape, the associated questions become obvious.
Gagan Walia·Apr 18, 2026, 8:50 AM·4 min read