Podcast
Questions and Answers
Which characteristic of cloud computing allows users to scale resources quickly in response to demand?
Which characteristic of cloud computing allows users to scale resources quickly in response to demand?
What distinguishes Software as a Service (SaaS) from other cloud computing services?
What distinguishes Software as a Service (SaaS) from other cloud computing services?
Which of the following is NOT a feature of cloud computing?
Which of the following is NOT a feature of cloud computing?
In cloud computing, what is meant by the term 'resource pooling'?
In cloud computing, what is meant by the term 'resource pooling'?
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What is a primary advantage of using cloud services over traditional local servers?
What is a primary advantage of using cloud services over traditional local servers?
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Which feature of cloud computing allows users to adjust resources based on their needs?
Which feature of cloud computing allows users to adjust resources based on their needs?
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What is the primary purpose of the back end in cloud computing architecture?
What is the primary purpose of the back end in cloud computing architecture?
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Which of the following companies is known for providing cloud services for streaming content?
Which of the following companies is known for providing cloud services for streaming content?
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What critical security measure do cloud providers commonly implement for data protection?
What critical security measure do cloud providers commonly implement for data protection?
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Which of the following is a significant advantage of using cloud computing for businesses?
Which of the following is a significant advantage of using cloud computing for businesses?
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Study Notes
Cloud
- A network of remote servers hosted on the internet to store, manage, and process data.
- Enables accessing data and applications over the internet without local infrastructure.
- Based on virtualization, allowing multiple virtual instances on one physical server.
Cloud Computing
- Delivery of computing services like servers, storage, databases, networking, software, and analytics over the internet.
- Enables faster innovation, flexible resources, and economies of scale.
- Built on sharing resources, users don't need to invest in their own infrastructure.
Characteristics of Cloud Computing
- On-Demand Self-Service: Access computing resources without human intervention.
- Broad Network Access: Accessible from anywhere with an internet connection.
- Resource Pooling: Resources shared among multiple users, dynamically allocated.
- Rapid Elasticity: Scale up or down resources automatically based on demand.
- Measured Service: Pay only for the resources used, pay-as-you-go model.
Types of Cloud Services
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Software as a Service (SaaS): Applications delivered over the internet.
- Users access software directly without infrastructure management.
- Examples: Google Workspace, Microsoft Office 365.
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Platform as a Service (PaaS): Platform for developers to build and deploy applications.
- Includes infrastructure and tools for application development.
- Examples: Heroku, Google App Engine.
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Infrastructure as a Service (IaaS): Fundamental computing resources (virtual machines, storage, networking).
- Users manage the infrastructure without handling physical data centers.
- Examples: AWS EC2, Microsoft Azure.
Public vs Private Cloud
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Public Cloud: Services over the public internet shared among multiple users.
- Managed by third-party providers (AWS, Google Cloud, Azure).
- Advantages: Cost-effective, scalable, easy to deploy.
- Disadvantages: Limited control over security and data privacy.
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Private Cloud: Dedicated to one organization, hosted on-site or by a third-party.
- Provides control over data, security, and customization.
- Advantages: High security, better control, tailored for specific needs.
- Disadvantages: More expensive to maintain compared to public clouds.
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