AWS Certified Cloud Practitioner case studies
AWS CRI · Put your knowledge to work in context.
The AWS Certified Cloud Practitioner is AWS's foundational certification, aimed at people who need a working command of cloud concepts and the AWS platform rather than deep hands-on engineering skill. It suits sales and marketing staff, project and product managers, finance and procurement analysts, support staff, and anyone starting a cloud career who wants a recognized baseline before moving to associate-level technical certifications. The AWS CRI case studies are 5 cases and about 3,619 words.
1Kestrel Analytics: Sunk Costs, Elasticity, and a Six-Week Deadline
Kestrel Analytics is a 40-person market-research firm that has run its nightly ETL pipeline on 24 physical servers bought three years ago for 310,000. Utilization on those servers is 90% between 01:00 and 05:00 and 4-6% for the remaining 20 hours.
762 words, about 4 min2MediTrust Health: A Public S3 Bucket and Six Years of Audit Records
MediTrust Health runs a patient-intake SaaS for 60 small clinics. The stack is a two-tier web application: EC2 instances behind an Application Load Balancer, RDS for MySQL, and scanned intake forms stored in S3.
719 words, about 4 min3Tidewater Logistics: Spot Capacity, Six-Hour Deadlines, and a 50% Cut
Tidewater Logistics scans and OCRs 2 million shipping documents a day. Each document takes about 40 seconds of CPU on an m5.large-class instance, and results are written to S3 keyed by document ID, so reprocessing a document is harmless.
688 words, about 3 min4Lumen Learn: A 15-Minute SLA Versus a Flat Budget
Lumen Learn is an edtech company with 150 employees and a monthly AWS bill of about $38,000. Roughly 60% is a steady-state production web tier and database; the remaining 40% is development and training environments that run hard for two weeks each quarter and sit mostly idle otherwise.
732 words, about 4 min5Cascade Instruments: 400 TB, Three Plants, and One Region
Cascade Instruments manufactures sensors in three plants in Ohio, Bavaria and Vietnam. Engineers at each plant need file-level access to a shared 400 TB design repository, and they complain that opening a large CAD file from the current Ohio data centre takes minutes and often fails.
718 words, about 4 min