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Questions and Answers
What is a key characteristic of cloud computing?
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?
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?
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?
What is a type of cloud deployment model where a single organization owns and manages the cloud infrastructure?
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What is a security concern in cloud computing?
What is a security concern in cloud computing?
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What is a challenge of using multiple cloud providers?
What is a challenge of using multiple cloud providers?
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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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