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Questions and Answers
Which service model includes the provision of virtualized computing resources over the internet?
Which service model includes the provision of virtualized computing resources over the internet?
- Infrastructure as a Service (IaaS) (correct)
- Software as a Service (SaaS)
- Data as a Service (DaaS)
- Platform as a Service (PaaS)
What is one of the characteristics of cloud computing?
What is one of the characteristics of cloud computing?
- Manual resource allocation
- On-demand self-service (correct)
- High initial setup costs
- Limited scalability
Which deployment model involves providing cloud services to a specific organization?
Which deployment model involves providing cloud services to a specific organization?
- Community Cloud
- Public Cloud
- Private Cloud (correct)
- Hybrid Cloud
What does a Service Level Agreement (SLA) in cloud computing typically define?
What does a Service Level Agreement (SLA) in cloud computing typically define?
Which aspect of cloud security focuses on the regulation of user permissions and identities?
Which aspect of cloud security focuses on the regulation of user permissions and identities?
What is a primary benefit of using cloud computing regarding computer costs?
What is a primary benefit of using cloud computing regarding computer costs?
Which concern is associated with cloud computing?
Which concern is associated with cloud computing?
Which of the following is a drawback related to cloud service providers?
Which of the following is a drawback related to cloud service providers?
Which scenario can cloud computing make unnecessary?
Which scenario can cloud computing make unnecessary?
How does cloud computing affect the performance of personal computers?
How does cloud computing affect the performance of personal computers?
What is the primary function of a Computational Grid?
What is the primary function of a Computational Grid?
What is a significant advantage of using Computer Simulations and Modelling over traditional experimental methods?
What is a significant advantage of using Computer Simulations and Modelling over traditional experimental methods?
Which type of Grid is primarily focused on facilitating advanced collaboration?
Which type of Grid is primarily focused on facilitating advanced collaboration?
What does a Network Grid primarily provide?
What does a Network Grid primarily provide?
What is the ultimate purpose of a Utility Grid?
What is the ultimate purpose of a Utility Grid?
What pricing model in utility computing allows for charges based on actual usage?
What pricing model in utility computing allows for charges based on actual usage?
Which of the following is NOT a risk associated with utility computing?
Which of the following is NOT a risk associated with utility computing?
What aspect of cloud computing allows for minimal management effort when accessing computing resources?
What aspect of cloud computing allows for minimal management effort when accessing computing resources?
In the context of utility computing, what does SLA stand for?
In the context of utility computing, what does SLA stand for?
Which of the following is a characteristic of utility computing?
Which of the following is a characteristic of utility computing?
Which pricing model typically charges users a set fee each month for a specific amount of resources?
Which pricing model typically charges users a set fee each month for a specific amount of resources?
What is a primary concern regarding data in utility computing?
What is a primary concern regarding data in utility computing?
What is the main purpose of contractor management in utility computing?
What is the main purpose of contractor management in utility computing?
What defines 'on-demand self-service' in cloud computing?
What defines 'on-demand self-service' in cloud computing?
Which characteristic promotes accessibility through various client platforms?
Which characteristic promotes accessibility through various client platforms?
In a multi-tenant model, how are resources managed?
In a multi-tenant model, how are resources managed?
What is a key benefit of cloud computing's resource pooling?
What is a key benefit of cloud computing's resource pooling?
How does cloud computing minimize management effort?
How does cloud computing minimize management effort?
Study Notes
Cloud Computing
- Definition: Cloud computing provides on-demand access to shared computer resources (networks, servers, storage, applications, services) over the internet. These resources can be rapidly provisioned and released with minimal management effort.
- NIST: The US National Institute of Standards and Technology defines cloud computing as a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources.
Essential Characteristics
- On-Demand Self-Service: Users can access resources automatically without needing human interaction.
- Broad Network Access: Services are accessible over the network via standard mechanisms, suitable for various devices.
- Resource Pooling: Cloud providers pool their resources to serve multiple customers, dynamically assigning resources based on demand.
- Rapid Elasticity: Services can be quickly scaled up or down as required.
Advantages of Cloud Computing
- Lower Computer Costs: Users can use less expensive computers with less processing power and storage, as applications run in the cloud.
- Improved Performance: With less burden on local computers, overall system performance improves.
- Centralized Management: Cloud providers manage the infrastructure, simplifying tasks for users.
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Description
This quiz covers the essential aspects of cloud computing, including definitions and characteristics defined by the NIST. Learn about on-demand self-service, broad network access, resource pooling, and rapid elasticity that make cloud services so appealing.
