What Is Cloud Computing Quizlet

Cloud Computing Quizlet is likely a set of educational materials or questions related to cloud computing, which is a technology that enables the delivery of computing services over the internet. It could be used for learning and assessing one’s knowledge about various aspects of cloud computing, such as its benefits, architecture, and applications.

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Cloud computing Flashcards

Cloud computing is a form of internet-based computing that offers shared resources, software, and information on demand to devices and computers. It follows a pay-for-what-you-use model, providing flexibility and scalability.

Source: https://quizlet.com/111671855/cloud-computing-flash-cards/

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What is Cloud Computing? Flashcards

Cloud computing offers several benefits and advantages. It allows businesses to trade capital expenses (CAPEX) for operational expenses (OPEX), reducing the total cost of ownership (TCO). By leveraging massive economies of scale, businesses can avoid the guesswork of capacity planning and increase their speed and agility. They can also save money by eliminating the need to run and maintain their own data centers.

Cloud computing enables businesses to go global in minutes by utilizing the global infrastructure provided by platforms like AWS. It offers flexibility, allowing users to change resource types as needed, and it promotes cost-effectiveness by enabling pay-as-you-go models based on actual usage.

Scalability is a key feature of cloud computing, as it allows businesses to accommodate larger workloads by strengthening hardware or adding additional nodes. Elasticity is another important aspect, providing the ability to scale-out and scale-in resources as demand fluctuates.

Cloud computing also ensures high availability and fault tolerance by enabling the building of applications across multiple data centers. Each region typically consists of multiple availability zones, usually ranging from a minimum of two to a maximum of six. Each availability zone contains one or more discrete data centers that have redundant power, networking, and connectivity. These availability zones are isolated from one another, ensuring that if one zone experiences a disaster, the others remain unaffected. The zones are interconnected with high bandwidth and ultra-low latency networking, further enhancing their reliability and performance.

Source: https://quizlet.com/554084909/what-is-cloud-computing-flash-cards/

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What is Cloud Computing Flashcards

Cloud computing is the utilization of a network of remote servers on the Internet to store, manage, and process data, as opposed to relying on a local server or personal computer. The concept of the cloud as a metaphor for the Internet originated from visual representations of the expansive server-farm infrastructure, resembling a fluffy cumulus cloud, facilitating connections and distributing information. It offers a convenient approach to accessing servers, storage, databases, and a wide range of application services through the Internet. Service providers like Amazon Web Services handle the maintenance and ownership of the network-connected hardware necessary for these services, while users can easily allocate and utilize resources through web applications.

Source: https://quizlet.com/154802211/what-is-cloud-computing-flash-cards/

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Cloud Flashcards

Cloud Computing offers several key benefits. Firstly, it enables users to access systems through a web browser from anywhere, regardless of their location or device used. This is possible because the infrastructure is provided by a third party and accessed via the Internet. The major benefits of Cloud Computing include:

1. Organizational Agility: Cloud Computing allows organizations to quickly adapt and respond to changes in the business environment, enhancing their agility.

2. Cost Reduction: Cloud Computing offers cost-saving advantages by converting capital expenditures into operational expenditures. It eliminates the need for in-house IT infrastructure and allows users to pay for resources on a usage-based billing model.

3. Global Services: Cloud Computing provides global accessibility, allowing users to access services and resources from anywhere around the world.

4. Easier Maintenance: Cloud Computing shifts the responsibility of infrastructure maintenance to the third-party provider, reducing the burden on organizations.

5. Multitenancy: Cloud Computing utilizes a multi-tenant model, where computing resources are dynamically assigned and shared among multiple consumers. This optimizes resource utilization and efficiency.

Cloud Computing also relies on various enabling technologies, including:

1. Grid Computing: It involves the composition of a cluster of networked computers to perform large-scale tasks, acting as a virtual computer.

2. Utility Computing: This model packages computing resources, such as computation and storage, as a metered service similar to traditional public utilities like electricity.

3. Fog Computing: It extends cloud computing capabilities to the edge of the network, closer to the data source, enabling real-time processing and reducing latency.

Cloud Computing encompasses three models according to NIST (National Institute of Standards and Technology):

1. Software as a Service (SaaS): It provides online services with high-level APIs that abstract low-level infrastructure details.

2. Platform as a Service (PaaS): It allows consumers to deploy consumer-created or acquired applications using programming languages, libraries, services, and tools provided by the cloud provider.

3. Infrastructure as a Service (IaaS): It offers virtualized computing resources, such as virtual machines, storage, and networks, to consumers who have control over the deployed applications and limited control over the underlying infrastructure.

Cloud Computing exhibits five essential characteristics, which include:

1. On-demand self-service: Users can provision computing resources, such as servers and storage, as needed without requiring human interaction with the service provider.

2. Broad network access: Services and resources are accessible through various client devices, including mobile phones, tablets, laptops, and workstations.

3. Resource pooling: Computing resources are pooled and dynamically assigned to serve multiple consumers, optimizing resource utilization and efficiency.

4. Rapid elasticity: Cloud systems can scale up or down quickly to meet changing demands, allowing for flexibility and avoiding resource wastage.

5. Measured service: Resource usage is monitored, controlled, and reported, providing transparency for both the cloud provider and consumer.

In conclusion, Cloud Computing offers benefits such as organizational agility, cost reduction, global services, easier maintenance, and multitenancy. It relies on enabling technologies like grid computing, utility computing, and fog computing. Cloud Computing encompasses three models (SaaS, PaaS, and IaaS) and exhibits essential characteristics like on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service.

Source: https://quizlet.com/698179943/cloud-flash-cards/

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Cloud Computing Final Exam Flashcards

Advantages of SaaS solutions include the reduction or elimination of the need for an on-site data center, the elimination of application administration, the ability for customers to pay on demand for software use on a per-user basis, and offering scalability for applications, processors, and data storage.

Most cloud-based backup facilities provide capabilities such as backing up files in an encrypted format, allowing users to schedule backup operations, enabling easy retrieval of backup files from the cloud, and supporting multiple operating systems like Windows, Linux, and Mac OS.

Ways to access cloud-based data storage include using a web browser interface that allows file transfer across various devices, accessing it through a mounted disk drive that appears as a local drive or file system, and for application developers, interacting with the storage area through a set of application program interface (API) calls.

Threats to mobile devices encompass identity theft if a device is lost or stolen, eavesdropping on data communications and surveillance of confidential screen content, inadequate device resources leading to weak security implementation, and social attacks targeting unaware users for obtaining identity information.

Source: https://quizlet.com/220454848/cloud-computing-final-exam-flash-cards/

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Moving to cloud computing offers companies the advantage of optimizing IT costs. By eliminating the need to purchase hardware, software, and onsite datacenters, businesses can save on capital expenses. Cloud services operate through a network of secure datacenters, continuously upgraded with the latest computing technology. This infrastructure offers benefits such as reduced network latency and improved economies of scale compared to individual corporate datacenters.

One significant benefit of cloud computing is the availability of Software-as-a-Service (SaaS) applications. SaaS allows organizations to access enterprise-level applications like ERP and CRM without the need to invest in infrastructure and software themselves. The service provider takes care of hardware, middleware, and software updates, making sophisticated applications affordable for resource-constrained organizations.

Another advantage of SaaS is its mobility. Users can access SaaS applications and data from any Internet-connected device, be it a computer or mobile device. This eliminates the need for developing platform-specific apps and mitigates security concerns related to mobile computing. Trusted service providers ensure data security across various devices, reducing the need for specialized expertise in managing mobile security.

Source: https://quizlet.com/807850041/cloud-computing-flash-cards/

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Cloud Computing Midterm Flashcards

Hybrid clouds are formed by the interoperability of two or more clouds and are exemplified by Rowan’s cloud network. A community model of cloud computing involves multiple organizations sharing resources to support a specific community goal.

In traditional cloud computing, various components such as applications, data, runtime, middleware, operating systems, virtualization, servers, storage, and networking are involved.

IaaS (Infrastructure as a Service) includes applications, data, runtime, middleware, and operating systems. PaaS (Platform as a Service) covers applications and data. SaaS (Software as a Service) does not require any of the mentioned components.

Different companies and their cloud computing services are as follows:

Amazon: Elastic Beanstalk – Public, Closed Source
Google: Google App Engine – Public, Closed Source
IBM: Bluemix – Public, Open Source (Cloud Foundry)
Microsoft: Azure – Public and Private, Closed Source
Pivotal: Pivotal VF – Public and Private, Open Source
Red Hat: OpenShift – Public and Private, Open Source
Salesforce: Force.com and Heroku – Both Public, Closed Source

CRM (Customer Relationship Management) focuses on the customer, while ERP (Enterprise Resource Planning) focuses on large groups of people as a whole. CRM emphasizes front-end activities and generating revenue, whereas ERP focuses on cost reduction and overall organizational efficiency.

Cloud computing can be managed through various modes:

Managed Mode: Manages local network instances, including groups and addresses.
System Mode: Assigns MAC addresses and connects the instance’s network interface to the physical network through the Node Controller’s bridge. It does not provide elastic IPs, security groups, or VM isolation.
Static Mode: Assigns IP addresses to instances and does not offer elastic IPs, security groups, or VM isolation.

Benefits of cloud computing include lower costs, core competency focus, freedom of choice, accessibility from anywhere, support for new application types, faster production cycles, increased market reach, enhanced competitive differentiation, low-cost marketing, improved customer relationships, and protection of intellectual property.

Questions to consider regarding cloud computing include the maintenance schedule, data ownership, opt-out ability, network rights, server location, staff administration capabilities, shared virtualized servers with other companies, security restrictions, data loss or theft contingency plans, assessing true needs, evaluating actual costs, understanding true benefits, and identifying potential risks.

Source: https://quizlet.com/445829982/cloud-computing-midterm-flash-cards/

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What Is Cloud Computing? | Microsoft Azure

Cloud computing is a transformative approach to IT resources that has gained popularity among businesses. It offers several advantages, including cost savings, faster operations, global scalability, increased productivity, improved performance, enhanced reliability, and enhanced security. Cloud computing can be implemented through different models, such as public, private, or hybrid clouds.

Public clouds are managed by third-party providers, like Microsoft Azure, and provide resources over the internet. In a public cloud, the provider owns and manages the infrastructure, and users access services via a web browser.

Private clouds are exclusively used by a single organization and can be located on-site or hosted by a third-party provider. These clouds maintain services and infrastructure on a private network.

Hybrid clouds combine elements of both public and private clouds, allowing data and applications to be shared between them. They provide flexibility, deployment options, and optimize existing infrastructure, security, and compliance.

Cloud services are categorized into four main types: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), serverless computing, and Software as a Service (SaaS).

IaaS involves renting IT infrastructure from a cloud provider, including servers, virtual machines, storage, networks, and operating systems.

PaaS offers on-demand environments for developing, testing, delivering, and managing software applications. It simplifies the app development process by abstracting underlying infrastructure concerns.

SaaS delivers software applications over the internet on a subscription basis. The cloud provider manages the software and infrastructure, while users access the applications through web browsers.

Serverless computing, similar to PaaS, focuses on building application functionality without the need for server management. It allows developers to focus on coding while the cloud provider handles the infrastructure.

Cloud computing is widely used today, even unknowingly, through various online services. It benefits organizations of all sizes, from startups to global corporations, government agencies, and non-profit organizations. Microsoft is a prominent cloud computing provider, offering Microsoft Azure as its cloud platform. They provide comprehensive resources, including comparisons with other cloud providers and guidance for a successful cloud journey.

For more information, you can explore additional resources, guides, webinars, and frequently asked questions.

Source: https://azure.microsoft.com/en-us/resources/cloud-computing-dictionary/what-is-cloud-computing/

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What Is Cloud Computing?

Cloud computing refers to the practice of storing and accessing data and programs over the internet instead of using local computer storage. It involves utilizing internet-based hardware and software services provided by a third-party. The term cloud is a metaphor for the internet and represents the vast server-farm infrastructure that processes and delivers information. Cloud computing offers the flexibility of accessing data and programs from anywhere with an internet connection. It is distinct from local storage, where data is stored and programs are run on a computer’s hard drive or solid-state drive. Cloud computing involves accessing data and programs over the internet or syncing data with web-based services. It has various applications, including Software-as-a-Service (SaaS) for businesses to subscribe to applications over the internet, Platform-as-a-Service (PaaS) for creating custom applications, and Infrastructure-as-a-Service (IaaS) for renting computing resources from cloud service providers. Cloud computing has become a significant industry, with companies like Amazon, Microsoft, Google, and Rackspace offering cloud services to businesses. The popularity of cloud computing has grown due to its convenience, cost-effectiveness, and the ability to support remote work. However, it is not without downsides, including potential dependence on internet connectivity, the control of access by internet service providers and media companies, and the risk of service outages. Nonetheless, cloud computing is a rapidly expanding field that is expected to continue shaping the future of technology.

Source: https://www.pcmag.com/how-to/what-is-cloud-computing

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