Just got my results this week – 85% on the ServiceNow Certified System Administrator. Took about 6 weeks of prep starting from roughly 4 months of hands-on admin experience. Wanted to write up what actually worked since the study advice I found online was pretty scattered.
Weeks 1-2 were all Now Learning paths. I went through admin fundamentals and system administration courses even though I already knew most of it – filling gaps in SLAs and notification rules that hadn't come up in my actual work. Weeks 3-4 were practice questions, about 30-40 a night. Weeks 5-6 were focused review of weak spots: Import Sets and Transform Maps, Reporting, and Service Catalog configuration.
The real exam had more UI Policy and Client Script questions than I expected, maybe 15% in that area. Also a solid chunk of ACL questions. They're not trick questions exactly but they require you to know the exact behavior, not just the general concept.
PDI is my next target. Anyone have advice on how big the jump is from CSA to PDI difficulty?
The Service Catalog questions on my CSA were harder than any practice material I found online. Specific stuff about variable sets and catalog client scripts. Worth spending extra time there.
PDI is a significant step up from CSA. The scripting section requires you to actually know JavaScript, not just recognize it. Give yourself at least 8 weeks if you don't come from a development background.
Thanks for writing this up. I'm at week 2 right now hovering around 68%. The Import Sets section is killing me. Good to know it's a common weak spot and not just me struggling with it.
Congrats. 85% is a strong pass. The ACL section is brutal if you're not deliberate about studying it – I had to redo that whole section twice before it clicked. Your weeks 5-6 breakdown sounds exactly like what I should have done.
This is super helpful, thanks for writing it up. I'm in a similar boat -- working full time and squeezing in study time wherever I can. Honestly the hardest part for me wasn't the material itself, it was just finding consistent blocks of time that weren't already eaten up by work or family stuff. I've been doing 45-minute sessions on my lunch break most days and it's been way more manageable than trying to do two-hour marathon sessions on weekends that I kept canceling anyway.
One thing I didn't expect was how much the hands-on practice helped it stick compared to just reading through documentation. I'd read something and think I understood it, then actually try to configure it in a PDI and realize I had no idea what I was doing. That back-and-forth between the docs and actually clicking around in the instance is what really made things click for me. How strict was the timing on the actual exam? That's the part I'm still nervous about.
Congrats on the 85%, that's a solid score. The thing that made the biggest difference for me was doing the simulator labs instead of just reading through the documentation. I kept thinking I understood concepts until I actually had to configure something from scratch and realized I'd just been skimming. Once I started treating each lab like a mini exam it clicked a lot faster.
Also don't sleep on the flow designer questions. I wasn't expecting them to show up as much as they did and I almost didn't study that section because it felt advanced. Ended up being like 10-15% of what I saw. If you've got a week left I'd carve out at least two days just for that piece.
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