Just got my ServiceNow System Administrator certification and wanted to share what changed after failing the first time by 4%. My first attempt I scored a 68% and needed a 70% to pass. Eight weeks later I came back and got a 79%. The change wasn't more studying — it was studying the right things.
My mistake the first time was focusing too much on UI and navigation because that's what I do daily. I completely underestimated how much they test Access Control, Import Sets, and Data Policies. I probably had 6-8 questions on ACL configuration alone in both attempts, and the first time I was guessing on two-thirds of them. The second time I dedicated 3 full study days just to security and access controls.
I also switched from reading documentation to doing hands-on work in a personal developer instance. Reading about ACL evaluation order is not the same as actually creating ACLs and watching them fire. Once I'd built about 15 different ACL scenarios myself, the exam questions became much more concrete. I'd say the PDI work was responsible for at least 5-6 additional correct answers on the retake.
Total study time for the retake was about 4 weeks at 90 minutes per day. I used the official ServiceNow learning paths, a third-party question bank, and the PDI for hands-on work. The question bank had about 400 questions and I went through all of them twice. Don't skip the ACL and workflow sections just because they feel abstract — that's exactly where the exam hits hard.
Import Sets and Transform Maps are another area people underestimate. Make sure you understand the full pipeline: source table, transform map, field maps, and coalesce. I had 3-4 questions on that topic and it's not something you can fake your way through.
Congrats on passing. The 70% cutoff feels brutal when you're close. Your breakdown of what to focus on is more useful than most study guides — they all say study everything equally, which isn't how you actually pass this exam.
ACL evaluation order trips up so many people. The order is field-level then row-level, and deny overrides allow. If you don't have that logic internalized you'll keep second-guessing the multi-ACL scenario questions every time.
The hands-on PDI approach is exactly right. I passed on my first attempt and I attribute most of that to spending 40+ hours just building things in my developer instance. The exam tests whether you understand what ServiceNow actually does, not just what the documentation says it does.
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