
- Video: youtube.com/watch?v=7HKot-brXFE
- Uploader: freeCodeCamp.org — taught by Andrew Brown (ExamPro)
- Duration: 13:46:27
- Type: educational certification course
Summary
A complete preparation course for the AWS Certified Cloud Practitioner exam (CLF-C02), combining lecture material to memorize key facts, hands-on labs in a real AWS account, and a free practice exam on exampro.co. It starts with exam logistics and cloud fundamentals, then walks through every exam-relevant AWS service area — global infrastructure, compute, storage, databases, networking, EC2 and its pricing models, identity, integration, containers, governance, logging, ML/AI, security — and closes with billing/support plans, the Well-Architected Framework, and a "variation study" that disambiguates similarly-named services, the classic trap of this exam.
flowchart LR
A["Foundations<br/>(01–09)<br/>exam logistics, cloud concepts,<br/>infra, architecture, shared responsibility"] --> B["Core services<br/>(10–16)<br/>compute, storage, databases,<br/>networking, EC2, pricing, identity"]
B --> C["Operating AWS<br/>(17–24)<br/>integration, containers, governance,<br/>provisioning, logging, ML/AI"]
C --> D["Business & exam prep<br/>(25–29)<br/>Well-Architected, TCO, billing,<br/>security, variation study"]
Topics
- Introduction — Exam logistics for CLF-C02: audience, certification roadmap, study plan, exam domains, and exact scoring/format rules.
- Cloud Concepts — Cloud computing definition, hosting evolution, AWS history, what defines a cloud service provider, compute abstraction levels, SaaS/PaaS/IaaS, and deployment models.
- Getting Started — Account creation, IAM users vs root, region choice, and billing protection: Budgets, Free Tier alerts, CloudWatch billing alarms, and root MFA.
- Digital Transformation — Innovation waves, the burning-platform concept, AWS product/pricing pages, and the CPU→GPU→quantum evolution with Inferentia and Braket.
- The Benefits of Cloud — AWS's reworked benefits list vs the original Six Advantages, normalized into seven: cost-effective, global, secure, reliable, scalable, elastic, current.
- AWS Global Infrastructure — Regions, availability zones, edge locations/PoPs, Direct Connect, Local/Wavelength Zones, GovCloud, AWS China, data residency, and Outposts.
- Cloud Architecture — Availability, scalability, elasticity, fault tolerance, durability; BCP with RTO/RPO; and the four disaster recovery options from backup & restore to multi-site.
- Management and Development Tools — The AWS API, Management Console, CLI, SDKs, CloudShell, Cloud9, ARNs, access keys, and Infrastructure as Code with CloudFormation vs CDK.
- Shared Responsibility Model — Who secures what: security in the cloud (customer) vs of the cloud (AWS), and how responsibility shifts across IaaS/PaaS/SaaS and the compute spectrum.
- Compute — The three compute categories (VMs, containers, serverless), Nitro, HPC, edge/hybrid options, and cost/capacity services like ASG, ELB, and Elastic Beanstalk.
- Storage — Block vs file vs object storage, S3 and all its storage classes, the Snow family, EBS, EFS, Storage Gateway, and hands-on demos.
- Databases — Relational vs NoSQL, data warehouses, and the AWS catalog: DynamoDB, RDS, Aurora, Redshift, ElastiCache, Neptune, Timestream, QLDB, DMS.
- Networking — VPCs, subnets, CIDR, gateways, route tables, security groups vs NACLs, hybrid connectivity, and CloudFront.
- EC2 — Instance families/types/sizes, tenancy options, and a full lab covering AMIs, key pairs, Sessions Manager, Elastic IPs, launch templates, auto scaling, and load balancers.
- EC2 Pricing Models — On-Demand, Spot, Reserved Instances (classes, attributes, regional vs zonal), Dedicated, and Savings Plans.
- Identity — Zero trust, directory services, federation (OpenID, OAuth 2.0, SAML), IAM policies/users/groups/roles, least privilege, and root-user-only tasks.
- Application Integration — Messaging patterns mapped to services: SQS, SNS, Kinesis, API Gateway, Step Functions, EventBridge, Amplify, and AppSync.
- Containers — VMs vs containers, monoliths vs microservices, Kubernetes/Docker/Podman, and the AWS container map: ECS, Fargate, EKS, App Runner, ECR.
- Governance — AWS Organizations and SCPs, Control Tower, AWS Config compliance-as-code, tagging, and the Cloud Adoption Framework.
- Provisioning — The provisioning lineup (Elastic Beanstalk, OpsWorks, CloudFormation, Quick Starts, CDK, Amplify, App Runner) and a full Beanstalk lab.
- Serverless Services — The purest serverless services (DynamoDB, S3, Fargate, Lambda, Step Functions, Aurora Serverless) and serverless as a spectrum, not a boolean.
- Windows on AWS — Windows Server on EC2, SQL Server on RDS, Directory Service, FSx, WorkSpaces, an RDP lab, and BYOL with License Manager.
- Logging — CloudTrail API auditing, the CloudWatch umbrella (Logs, Metrics, Alarms, Dashboards, Logs Insights), and X-Ray tracing.
- ML, AI and Big Data — SageMaker, Bedrock, CodeWhisperer and the AI service catalog, plus analytics: Athena, EMR, Kinesis, Redshift, Glue, QuickSight.
- AWS Well-Architected Framework — The five pillars and their design principles, Amazon leadership principles, and the Well-Architected Tool.
- TCO and Migration — Total Cost of Ownership and hidden on-prem costs, CAPEX vs OPEX, cloud's impact on IT staffing, and migration tooling (Pricing Calculator, VM Import/Export, DMS).
- Billing, Pricing and Support — Support plans and response times, free tier, cost tools (Budgets, Cost Explorer, CUR), consolidated billing, Trusted Advisor, SLAs, and Marketplace.
- Security — Defense in depth, the CIA triad, encryption/hashing/TLS, plus AWS security services: Artifact, Inspector, Shield, GuardDuty, WAF, KMS/CloudHSM, Security Hub.
- Variation Study — Exam-prep disambiguation of similarly-named services: Config vs AppConfig, SNS vs SQS vs SES vs Pinpoint, the "Connect" services, and the four ELB types.
Key takeaways
- The exam has 65 questions (50 scored, 15 unscored) with no penalty for wrong answers — answer everything; passing is ~70%, and you should aim for 85% on practice exams to land ~75% on the real one
7:33,7:03. - The core shared-responsibility rule: customers secure what's in the cloud (data, configuration), AWS secures what's of the cloud — if you can configure it, it's yours
4:05:55,4:18:44. - Choosing a region comes down to four factors: regulatory compliance, cost, service availability, and latency to end users
1:33:21. - The four disaster recovery options from cold to hot: backup & restore (hours), pilot light (~10 min), warm standby (minutes), multi-site active-active (real-time, ~double the cost)
2:20:28. - An S3 object can be 0 bytes to 5 TB (a real exam question), and Standard-IA only saves money if accessed less than once a month
5:16:13,5:17:41. - DynamoDB is AWS's flagship database — Amazon retail migrated 7,500 Oracle databases (75 PB) to it in 2019, cutting costs 60% and latency 40%
5:58:59. - Security groups (instance-level) only have allow rules; NACLs (subnet-level) support allow and deny — the key networking exam distinction
6:32:59. - EC2 pricing savings: Spot up to 90% (interruptible), Reserved up to 75% (1/3-year terms), Savings Plans up to 72%; regional RIs give flexibility but do NOT reserve capacity, zonal RIs do
7:42:04,7:50:23. - The root user can't be deleted or limited by IAM policies and is required for tasks like closing the account, changing the support plan, and enabling S3 MFA Delete
8:42:13. - Support plans are heavily tested: Basic $0, Developer from $29/mo, Business from $100/mo, Enterprise $15,000/mo — production-down ≤1h needs Business+, and a TAM is Enterprise-only
11:50:52,11:51:24. - KMS is multi-tenant (FIPS 140-2 Level 2); CloudHSM is single-tenant dedicated hardware (Level 3) needed only for that compliance level
13:20:31. - SNS is push-based pub/sub with no delivery guarantee; SQS is pull-based queuing with guaranteed delivery and up to 14-day retention — the most classic exam variation
13:35:11. - Cloud doesn't make IT staff redundant — the exam answer is that companies shift people from managing infrastructure to revenue-generating work; a Gartner case saw a 55% cost reduction after migrating 2,500 VMs
11:40:01,11:35:44.