AZ-900 vs AWS Cloud Practitioner: Which One to Take First (And Why It Probably Depends on Your Job Market)
The 60-second test that beats every other comparison
Open LinkedIn. Search for "junior cloud engineer" or "cloud support analyst" with your city as the location. Open the first 30 job ads. Count how many mention Azure vs how many mention AWS.
Whichever wins is the one to do first. That is the entire decision. Every other factor - exam difficulty, study time, exam fee, format - is within margin-of-error between these two certs. The signal that actually changes your interview prospects is whether the platform on your CV matches the platform the hiring manager wants you operating on day one.
A few patterns I see consistently: Australia - large enterprise, government, defence, finance, and consulting practices skew Azure. Startups, fintech, modern SaaS skew AWS. United States - AWS dominates broadly; Azure has a strong second-place hold in regulated industries and government. United Kingdom and EU - Azure dominates government and regulated finance; AWS dominates everything else. South-East Asia - AWS has the bigger footprint in Singapore and Indonesia; Azure leads in India enterprise. The point is not to memorise these patterns - the point is to check your local one before you start studying.
AZ-900 (Microsoft Azure Fundamentals)
Format: 40-60 multiple-choice questions, 45 minutes, $115 USD ($165 AUD), pass mark 700/1000. No PBQs. Mostly definitional and scenario-matching questions.
What it covers: Azure cloud concepts, core Azure services (Compute, Storage, Networking, Identity), Azure pricing and SLAs, governance and compliance basics, plus Azure-specific marketing terms like "AI Foundry" and "Azure Arc".
Best for: Anyone targeting a Microsoft-first employer (which is most large Australian enterprises, much of the US public sector, most of UK government, and most consulting practices in EMEA). Also the right first cert if you are aiming for the Microsoft path toward AZ-104 (Administrator) or SC-900 (Security Fundamentals).
Average prep time: 2-4 weeks at 1 hour per day. The single most popular study resource is John Savill's free YouTube playlist, with Microsoft Learn modules as the official complement. ReadRoost ships an AZ-900 question pack that covers every learning objective.
AWS Cloud Practitioner (CLF-C02)
Format: 65 multiple-choice questions, 90 minutes, $100 USD (~$150 AUD), pass mark 700/1000. No PBQs. Slightly longer than AZ-900 with more reading per question.
What it covers: AWS cloud concepts, the AWS Well-Architected Framework, core services (EC2, S3, RDS, VPC, IAM, Lambda), billing and support models, and shared-responsibility security. Slightly less marketing-feature heavy than AZ-900, slightly more architecture-leaning.
Best for: Anyone targeting an AWS-first employer (most US tech, most modern SaaS, most fintech, many startup ecosystems). Also the right first cert if you are aiming for the AWS path toward Solutions Architect Associate (SAA-C03), Developer Associate (DVA-C02), or SysOps (SOA-C02).
Average prep time: 2-4 weeks at 1 hour per day. Stephane Maarek's Udemy course is the dominant paid resource; AWS Skill Builder offers free official material; ReadRoost ships a CLF-C02 pack that mirrors the current exam guide.
Side-by-side: what is actually different (and what does not matter)
Difficulty - does not matter. Both are rated 3/10 by people who pass and 5/10 by people who didn't bother to study. CLF-C02 is fractionally harder because of the Well-Architected Framework section. If your decision hinges on which is easier, you are not studying enough for either.
Question style - mildly different. AZ-900 is heavy on "match the Azure service to the use case". CLF-C02 is heavier on "given this scenario, which architectural approach fits". Neither has performance-based questions. If you have done any vendor-neutral cloud reading at all, both feel familiar inside the first hour of study.
Marketing density - this is where AZ-900 annoys people. Microsoft renames things constantly: Azure Arc, Foundry, Lighthouse, Sentinel, Purview, Defender, Entra, Fabric. A meaningful chunk of AZ-900 is memorising what Microsoft currently calls this year's version of the same idea. CLF-C02 has less of this. If branding-memorisation grates on you, that is a real signal.
Career signal - completely identical. Both cost about the same. Both take about the same time. Both look fine on a CV. The only signal that matters is which cloud platform you can actually talk about confidently in an interview at a company that runs it. That is the entire game.
Do both? In what order?
Yes, doing both is reasonable, and it is a stronger career signal than doing only one - it shows you can think across vendors rather than being locked into a single ecosystem. Most people who do both space them 3-6 months apart so the content does not blur.
Order: Do the one that matches your immediate job target first, do the other one once you have a job. The cert you have and use at work is always more valuable than the one you studied for and have not touched in six months.
How ReadRoost helps with both
We ship validated practice packs for both AZ-900 and CLF-C02. Every question goes through the same two-stage validation pipeline: Kimi K2 generates the question, Claude Opus reviews it against the current official exam guide, anything unverifiable gets flagged and rewritten before publish.
Spaced repetition prioritises your weak domains. The Improvement Guarantee means money back if you do not feel more confident on exam day. Both packs are kept current with the latest exam-version objectives - AZ-900's recent expansion into AI services and CLF-C02's updated Well-Architected Framework coverage are both reflected.
Frequently Asked Questions
Is AZ-900 easier than AWS Cloud Practitioner?
Marginally, yes. AZ-900 leans on memorisation of Azure services and pricing tiers; CLF-C02 adds architectural reasoning via the Well-Architected Framework. Both pass rates are estimated above 80% with two to four weeks of focused study, so the difference rarely changes the choice.
Which is more useful for jobs in Australia?
For most Australian enterprise, government, and consulting roles, Azure (AZ-900) is the more commonly asked-for cert. For Australian startups, fintech, and modern SaaS companies, AWS Cloud Practitioner is more commonly mentioned. Always check the actual job ads in your local market before committing.
Can I take both?
Absolutely - and doing both is a strong career signal. Space them 3-6 months apart so the overlapping concepts have time to settle into long-term memory.
Do these certs expire?
AZ-900 is valid for life once you pass it. AWS Cloud Practitioner is valid for 3 years from your exam date, after which you need to recertify or pass any higher AWS cert to extend it. This matters more for long-term cost planning than for the choice between them.
Which one helps more if I want to be a cloud engineer eventually?
Either is fine as a starting point. The one to do is the one whose ecosystem your target employer runs - because the *next* certs you take after the fundamentals (AZ-104, SAA-C03) are platform-specific, and that is where the actual hireable skill resides. The fundamentals cert is just the on-ramp.
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