So I finally passed the AZ-300 last week after two painful failures and I wanted to share what actually made the difference, because I remember scouring forums like this when I was stuck. My scores were 689 and 701 on the first two attempts — so close both times, and I needed 700 to pass. The thing nobody really warned me about is how scenario-heavy the questions are. It's not just "what does this service do" — it's "your company has this constraint, this budget, this compliance requirement, which architecture do you choose and why."
What finally helped me was grinding through targeted practice. I started using the AZ-300 Test 1 to baseline my weak areas, and honestly the explanations for wrong answers were more valuable than the questions themselves. I was bleeding points on hybrid networking (ExpressRoute vs VPN Gateway tradeoffs) and identity scenarios with Azure AD Connect.
Happy to share my full AZ-300 study guide breakdown if anyone wants it. Third attempt score was 782 — not perfect but I'll absolutely take it after the rollercoaster this cert put me through.