Cloud Computing Fundamentals
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Questions and Answers

What is a key characteristic of cloud computing?

  • On-premise deployment
  • Rapid elasticity (correct)
  • Fixed resource allocation
  • Single tenancy

Which cloud service model provides virtualized computing resources?

  • Infrastructure as a Service (IaaS) (correct)
  • Software as a Service (SaaS)
  • Platform as a Service (PaaS)
  • Data as a Service (DaaS)

What is a benefit of using cloud computing?

  • Cost savings (correct)
  • Vendor dependence
  • Reduced flexibility
  • Increased capital expenditures

What is a type of cloud deployment model where a single organization owns and manages the cloud infrastructure?

<p>Private Cloud (D)</p> Signup and view all the answers

What is a security concern in cloud computing?

<p>Access control (D)</p> Signup and view all the answers

What is a challenge of using multiple cloud providers?

<p>Interoperability (C)</p> Signup and view all the answers

Study Notes

Definition and Characteristics

  • Cloud computing is a model for delivering IT services over the internet
  • On-demand access to a shared pool of computing resources (e.g., servers, storage, applications)
  • Key characteristics:
    • On-demand self-service
    • Broad network access
    • Resource pooling
    • Rapid elasticity
    • Measured service

Service Models

  • Infrastructure as a Service (IaaS): Provides virtualized computing resources (e.g., servers, storage, networking)
  • Platform as a Service (PaaS): Provides a complete platform for developing and deploying applications
  • Software as a Service (SaaS): Provides software applications over the internet

Deployment Models

  • Public Cloud: A third-party provider delivers cloud services over the internet
  • Private Cloud: A single organization owns and manages the cloud infrastructure
  • Hybrid Cloud: Combines public and private cloud services
  • Community Cloud: A cloud shared by multiple organizations with similar interests

Benefits

  • Scalability: Quickly scale up or down to match changing business needs
  • Cost savings: Reduce upfront capital expenditures and operational costs
  • Flexibility: Access cloud services from anywhere, on any device
  • Reliability: Built-in redundancy and disaster recovery capabilities

Security and Challenges

  • Security concerns: Data protection, compliance, and access control
  • Vendor lock-in: Dependence on a single cloud provider
  • Interoperability: Integrating with existing systems and applications

Cloud Computing Definition and Characteristics

  • Cloud computing is a model for delivering IT services over the internet
  • On-demand access to a shared pool of computing resources, such as servers, storage, and applications
  • Key characteristics include: • On-demand self-service • Broad network access • Resource pooling • Rapid elasticity • Measured service

Service Models

  • Infrastructure as a Service (IaaS): Provides virtualized computing resources, such as servers, storage, and networking
  • Platform as a Service (PaaS): Provides a complete platform for developing and deploying applications
  • Software as a Service (SaaS): Provides software applications over the internet

Deployment Models

  • Public Cloud: A third-party provider delivers cloud services over the internet
  • Private Cloud: A single organization owns and manages the cloud infrastructure
  • Hybrid Cloud: Combines public and private cloud services
  • Community Cloud: A cloud shared by multiple organizations with similar interests

Benefits of Cloud Computing

  • Scalability: Quickly scale up or down to match changing business needs
  • Cost savings: Reduce upfront capital expenditures and operational costs
  • Flexibility: Access cloud services from anywhere, on any device
  • Reliability: Built-in redundancy and disaster recovery capabilities

Security and Challenges in Cloud Computing

  • Security concerns: Data protection, compliance, and access control
  • Vendor lock-in: Dependence on a single cloud provider
  • Interoperability: Integrating with existing systems and applications

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Learn the definition, characteristics, and service models of cloud computing, including IaaS and more.

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