I failed my first attempt. Not by much, but enough to have to reschedule. Here's what went wrong and how I fixed it for attempt #2 (which I passed).
Mistake 1: Skimming the question
The AWS exam is full of questions with words like "EXCEPT," "FIRST," "BEST," or "MOST important." I was answering the question I thought I saw, not the one on the screen. Slowing down and reading every word carefully picked up at least 8-10 points on my retake.
Mistake 2: Studying the wrong things deeply
I spent most of my time on AWS - American Welding Society Certification content because it seemed most relevant, but the exam was more balanced than I expected. The Certified Welder sections caught me off guard. Use the official content outline to weight your study time proportionally.
Mistake 3: Not timing myself during practice
I ran out of time on about 12 questions on my first attempt. During my retake prep I did every practice test strictly timed and learned to flag and move on rather than getting stuck.
Mistake 4: Overthinking the answers
For other skilled trades exams specifically, when two answers seem equally right, the correct one is usually the one that's safest, most conservative, or most protective of the client/patient/public. That heuristic alone is worth remembering.
Anyone else have first-attempt war stories? I want this thread to be a resource for people going into their first try.
The timing issue is so real. I actually set a timer for 1 min per question during practice until it became instinct to move on when I was stuck. Flagged questions go fast when you're not starting from scratch on them.
Thank you for sharing this honestly. The shame around failing an exam is real and it keeps people from talking about what actually helps. I failed my first AWS attempt too and knowing others have been there makes the retake feel less daunting.
The "safest/most conservative answer" heuristic applies to almost every professional certification exam I've taken. It's essentially asking: "What would a cautious, by-the-book professional do?" That framing helped me enormously.
I went through the exact same thing with the "BEST" and "MOST cost-effective" questions. My mistake wasn't the technical knowledge, it was speed. I'd read the first two words of a question, think I knew it, and just pick the answer that sounded right. Second time around I literally forced myself to read every question twice, especially anything with EXCEPT or LEAST. Sounds annoying but it honestly saved me.
The other thing that helped me was stopping practice tests after every wrong answer to actually understand why I got it wrong instead of just noting the score and moving on. AWS loves to give you two answers that are both technically correct but one is more cost-optimized or more "best practice" according to the Well-Architected Framework. You've got to learn to think like AWS, not just like a developer who wants to get things working.
This hit close to home. I failed my first attempt by 3 points and spent a week going back over everything trying to figure out where I went wrong. Turns out I wasn't actually reading the scenarios carefully enough. I'd see a question about, say, cost optimization and just jump straight to the answer that sounded right based on the keyword, completely missing that it was asking for the solution that would work "with the least operational overhead." That distinction matters so much on this exam.
Second time around I literally slowed down and circled the constraint words in my head before even looking at the answers. It felt slower but I actually finished with more time to spare because I wasn't second-guessing myself at the end. Also did way more practice questions, not to memorize answers but just to get comfortable with how AWS phrases things. If you're prepping for your first attempt, don't underestimate how tricky the wording gets.
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