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Questions and Answers
What is a key characteristic of shared resource pooling in cloud computing?
Which of the following is NOT an application of cloud computing?
How does cloud computing facilitate backup and recovery of data?
Which sector has NOT been significantly impacted by cloud computing according to the examples provided?
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What advantage does cloud computing offer organizations regarding big data?
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Which of the following is NOT a major cloud provider?
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What is one of the primary advantages of using cloud computing?
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What characterizes a private cloud?
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Which cloud computing model connects a private cloud to a public cloud?
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What is one major disadvantage of cloud computing?
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Cloud computing can be described as which of the following?
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How does cloud computing facilitate data management for organizations?
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What does network connectivity dependency in cloud computing imply?
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What defines a thick client in cloud computing?
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Which of the following is classified as a mobile client?
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What is the primary function of a datacenter in a cloud computing solution?
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How do distributed servers enhance the service provider's capabilities?
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Which characteristic of cloud computing allows users to provision resources without human interaction?
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Which of the following provides cloud applications that do not require installation?
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What role do cloud services play in cloud computing?
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What is included in the features of broader network access in cloud computing?
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Study Notes
Cloud Computing Fundamentals
- Cloud computing refers to accessing and managing applications online.
- It revolutionized how we access, provision, and consume information and computing in the ICT industry.
- It involves using technology, services, and applications similar to those found on the internet as a self-service utility.
Types of Cloud
- Public Cloud: Services are available to the general public over the internet. They can be deployed faster than on-site infrastructures with almost constant scalability.
- Private Cloud: One organization's cloud service used exclusively by that organization. Provides the advantages of cloud computing without sharing resources with others.
- Hybrid Cloud: Combines a user's private cloud with a third-party public cloud.
Advantages of Cloud Computing
- Cost Efficiency: Reduces costs compared to traditional IT infrastructure.
- High Speed: Quick access with minimal effort.
- Excellent Accessibility: Access services from any location with an internet connection.
- Data Backup and Restore: Easier to back up and recover data stored in the cloud.
- Manageability: Eliminates the need for manual IT updates and maintenance.
- Sporadic Batch Processing: Easily add or subtract resources based on demand.
- Strategic Edge: Provides a competitive edge by enabling organizations to adapt quickly to changing needs.
Disadvantages of Cloud Computing
- Vulnerability to Attacks: Increased risk of information theft due to reliance on external services.
- Network Connectivity Dependency: Entirely reliant on internet connectivity for functionality.
- Downtime: Potential for technical outages affecting service availability.
- Vendor Lock-In: Difficulty migrating from one cloud provider to another.
- Limited Control: Limited control over the deployment and management of cloud services.
Components of Cloud Computing
- Clients: Devices (mobile, thin, or thick clients) that users interact with to manage cloud information.
- Data Center: Houses the servers that host applications.
- Distributed Servers: Located in geographically separate locations for flexibility and security.
Other Components of Cloud Computing
- Cloud Services: Products and solutions delivered online in real-time. Examples include identity management (OpenID, OAuth), integration (Amazon Simple Queue Service), and payments (PayPal, Google Checkout).
- Cloud Applications: Accessed online without installation. Examples include peer-to-peer (BitTorrent, SETI), web applications (Facebook), and Software as a Service (SaaS, like Google Apps, Salesforce.com).
Characteristics of Cloud Computing
- On-demand Self-service: Users provision computing resources (server time, storage) as needed without manual intervention.
- Broader Network Access: Capabilities are accessible over a network and via various devices, including smartphones, tablets, and laptops.
- Shared Resource Pooling: Providers pool computing resources to serve multiple users using a multi-tenant model. Resources are dynamically allocated based on demand.
Applications of Cloud Computing
- Cloud Service Providers: Offer various cloud services to different sectors.
- Online Data Storage: Store files, images, audio, and video on cloud storage.
- Backup and Recovery: Cloud vendors provide data security and backup facilities.
- Big Data Analysis: Allows organizations to store and analyze large volumes of data in the cloud without worrying about physical storage.
- Anti-virus Applications: Use cloud computing for real-time virus detection and protection.
- E-commerce Applications: Used for online transactions, shopping carts, and order processing.
- Cloud Computing in Education: Facilitates online learning, collaborative platforms, and resource sharing.
- Testing and Development: Provides cost-effective environments for software testing and development.
- E-governance Applications: Used for citizen services, data management, and administrative tasks.
- Cloud Computing in Medical Fields: Enables telemedicine, patient data management, and medical research.
- Entertainment Applications: Used for streaming services, gaming, and digital content delivery.
- Art Applications: Supports online galleries, digital art creation, and collaboration.
- Management Applications: Facilitates business process management, data analytics, and reporting.
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Description
Explore the basics of cloud computing, including public, private, and hybrid clouds. Understand the benefits such as cost efficiency, speed, and accessibility in the information and communication technology sector. This quiz covers essential concepts and types of cloud services.
