AWS Certified Cloud Practitioner (CRI series) study guide
AWS CRI · Work through your exam, one topic at a time.
AWS Certified Cloud Practitioner is an entry-level credential for people who need a working understanding of the AWS Cloud rather than hands-on engineering depth. 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 recognised baseline before choosing a technical certification. The AWS CRI study guide has 4 sections and about 1,590 words.
01Cloud Concepts: Value, Economics, and the AWS Global Model
A candidate must be able to explain the value proposition in business terms, not just list features. On-demand self-service removes procurement lead time; elasticity converts fixed capacity into variable cost; economies of scale lower unit price; and global reach lets a small team deploy near customers.
410 words, about 2 min02Security and Compliance: Shared Responsibility and Identity
The single most tested idea is the split between "security of the cloud" and "security in the cloud." AWS is responsible for the physical facilities, the hypervisor, and the managed service infrastructure; the customer is responsible for data, identity configuration, patching of guest operating systems, and access control. The trap is asking who patches a managed database versus a self-managed instance on EC2.
410 words, about 2 min03Cloud Technology and Services: Compute, Storage, and Networking Choices
Questions rarely ask for a definition; they ask which option fits a constraint. Map constraints to service families: virtual servers for full control, containers for portability and packaging, serverless functions for event-driven short tasks, and managed platform runtimes for web apps where you want to avoid server administration.
392 words, about 2 min04Billing, Pricing, and Support: Cost Drivers and Plan Selection
Candidates must reason about what drives cost rather than memorize prices. Compute is billed by time and instance size; storage by volume stored plus requests and retrieval in some classes; data transfer out to the internet is charged while inbound is typically free; and managed services add per-request or per-resource charges.
378 words, about 2 min