SAE-C01 (Alibaba Cloud Certifications) case studies
SAE-C01 · Put your knowledge to work in context.
SAE-C01 is a multiple-choice certification exam for practitioners working with cloud-hosted systems, aimed at engineers, administrators, and architects who need to demonstrate breadth across the full lifecycle of a cloud environment rather than depth in a single vendor tool. The exam is organized into six weighted domains: cloud concepts and architecture (20%), security and compliance (20%), deployment and operations (18%), networking (15%), storage and data management (15%), and monitoring, logging, and troubleshooting (12%). The SAE-C01 case studies are 5 cases and about 2,965 words.
1Right-Sizing an Over-Provisioned Three-Tier Stack
A team runs a three-tier web application on AWS: an Application Load Balancer, an Auto Scaling group of 6 m7i.2xlarge instances (8 vCPU, 32 GiB) that rarely exceed 18% CPU but spike to 60% during a nightly batch, and a Multi-AZ RDS PostgreSQL db.r6g.4xlarge (16 vCPU, 128 GiB) whose average CPU is 9% and whose buffer pool hit ratio is 99.7%. The batch job runs 90 minutes and is latency-tolerant.
580 words, about 3 min2Cross-Account Access for a Contractor
A company has a workload account (prod) holding an S3 bucket with customer PII and an RDS instance. An external contracting firm needs read access to a specific prefix ( reports/ ) in that bucket for 60 days.
611 words, about 3 min3Blue/Green Cutover With a Stateful Backend
A team is moving a monolith from EC2 into a new blue/green deployment on ECS Fargate behind an ALB. The app keeps user sessions in memory and writes uploaded files to local disk ( /var/uploads ).
570 words, about 3 min4VPC Design for a Shared Services Hub
A company is consolidating four AWS accounts (prod, staging, dev, shared-services) into a hub-and-spoke network. The shared-services VPC hosts Active Directory domain controllers and a centralized egress NAT.
605 words, about 3 min5The Bucket That Grew Without Bounds
An application writes JSON event records to a single S3 bucket, one object per event, using a key scheme of events/YYYY/MM/DD/HH/<uuid .json . Volume is ~40 million objects per month, average 2 KB each.
599 words, about 3 min