Week 12

7.5.3 Understand common cloud delivery models, their advantages and disadvantages, and the way in which responsibility and ownership of resources are distributed between the client and cloud provider:

• Infrastructure as a Service (IaaS):
  • client manages application software, system software (middleware and operating system), runtime, data and user accounts
  • cloud provider manages virtualisation and hardware (servers, network and storage)
• Platform as a Service (PaaS):
  • client manages application software, data and user accounts
  • cloud provider manages virtualisation, hardware (servers, network and storage) and systems software (middleware and operating system) and runtime
• Software as a Service (SaaS):
  • client manages user accounts and data
  • cloud provider manages virtualisation, hardware (servers, network and storage) systems software (middleware and operating system), runtime and application software.

7.6.1 Understand the benefits of resilient environments and the impact on organisations and clients:

• increased security:
  • data security (storage and transfer)
  • reduce vulnerabilities
• increased reputation:
  • protect brand/image
  • retain customer confidence 
• reduction in downtime.

Last Updated
2026-06-02 13:24:21