/AWS-Certified-Cloud-Practitioner-Notes

AWS Certified Cloud Practitioner Notes

AWS Certified Cloud Practitioner Notes

  • 40 Services out of 200+ AWS services
  • Cloud Computing
    • CPU : Computing
    • RAM : Memory
    • Storage : Data
    • Database : Structured Data
    • Network : Routers, Switch, DNS server
    • Traditional IT approach
      • Problems
        • Rent of Data Centre
        • Power Supply, cooling , maintenance
        • Hardware replacement
        • Scaling
        • Monitoring team
        • Disasters like earthquake, fire, power shutdown
      • Solution (Cloud)
        • On-demand delivery of computing resources
        • Pay as you go
        • provisioning of computing resources in type, size and count
        • almost instant access
        • easily accessible components using interface for DB, VMs, etc
    • Deployment Modes
      • Private Cloud
        • Rackspace
      • Public Cloud
        • Azure
        • GCP
        • AWS
      • Hybrid Cloud
    • Characteristics of Cloud Computing
      • On-demand self service
      • Broad network access
      • Multi tenancy and resourse pooling
      • Rapid elasticity and scalability
      • Measured service (Pay as you go)
    • Advantages
      • Trade Capital Expense (CAPEX) for Operational Expense (OPEX)
      • Benefit from massive economies of scale
      • Stop guessing capacity
      • Increased speed and agility
      • Stop spending money running and maintaining data centres
      • Go global in minutes

    • Problems solved