Cloud Computing Models Flashcards

1
Q

Infrastructure as a Service (IaaS)

A

Provider (AWS) hosts virtualized computing resources over the internet

  • customers can rent virtual machines (VMs), storage and networking infrastructure on-demand allowing them to scale resources up or down as needed without the need to invest in physical hardware
  • Compute: EC2 (Virtual Machines)
  • Networking: VPC (Private Cloud Network)
  • Storage: EBS (Virtual Hard Drives)
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2
Q

Platform as a Service (PaaS)

A

Provides a platform allowing customers to develop, run, and manage applications without dealing with the underlying infrastructure

  • Lambda
  • Elastic Beanstalk
  • RDS
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3
Q

Software as a Service (SaaS)

A

Software applications are hosted and provided to customers over the internet on a subscription basis

  • AWS Trusted Advisor
  • AWS Shield
  • Amazon Chime: communications service the provides online meetings, video conferencing, chat and screen sharing capabilities
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