[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"cheat-sheet---en":3,"domain-info---en":3,"topic-info----en":3,"prev-aws-certified-cloud-practitioner-cloud-concepts-cloud-benefits-what-is-cloud-computing-en":3,"lesson-aws-certified-cloud-practitioner-cloud-concepts-cloud-benefits-what-is-cloud-computing-en":4,"next-aws-certified-cloud-practitioner-cloud-concepts-cloud-benefits-what-is-cloud-computing-en":149},null,{"locked":5,"reason":3,"meta":6,"item":17},false,{"title":7,"description":8,"isFree":9,"estimatedMinutes":10,"difficulty":11,"learningObjectives":12},"What Is Cloud Computing?","Learn what cloud computing means, how on-demand and pay-as-you-go pricing work, and why renting IT resources differs from owning physical hardware.",true,12,"beginner",[13,14,15,16],"Define cloud computing in plain terms","Explain on-demand delivery and pay-as-you-go pricing","Identify the types of IT resources you can get from a cloud provider","Describe how using the cloud differs from buying and running your own servers",{"id":18,"title":7,"body":19,"description":8,"difficulty":11,"estimatedMinutes":10,"extension":105,"infographics":106,"isFree":9,"learningObjectives":107,"meta":108,"navigation":9,"path":109,"quiz":110,"seo":146,"stem":147,"__hash__":148},"courses/courses/aws-certified-cloud-practitioner/en/domains/01-cloud-concepts/01-cloud-benefits/01-what-is-cloud-computing.md",{"type":20,"value":21,"toc":94},"minimark",[22,27,31,34,38,41,44,48,51,54,58,61,64,68,71,74,78],[23,24,26],"h2",{"id":25},"cloud-computing-in-one-sentence","Cloud computing in one sentence",[28,29,30],"p",{},"Cloud computing is the on-demand delivery of IT resources over the internet with pay-as-you-go pricing. Instead of buying, owning, and maintaining physical servers in your own building, you rent computing power, storage, and databases from a provider and use them whenever you need them.",[28,32,33],{},"Think of how you get electricity at home. You do not run a power plant in your basement. You plug in a device, draw the power you need, and pay for what you used at the end of the month. The cloud works the same way for computing. AWS runs the data centers, and you draw on them as a service.",[23,35,37],{"id":36},"what-the-cloud-really-is","What \"the cloud\" really is",[28,39,40],{},"The cloud is not a vague thing floating in the sky. It is a large set of physical data centers, owned and operated by a provider such as AWS, filled with servers, storage drives, and networking gear. When you \"use the cloud,\" your application runs on that hardware, which you reach over the internet.",[28,42,43],{},"Because the provider owns and runs the hardware, you skip the parts that used to take the most time and money. You do not buy servers, wait for them to ship, install them in a rack, or replace failed drives at 2 a.m. You request a resource, and it is ready in minutes.",[23,45,47],{"id":46},"on-demand-and-self-service","On-demand and self-service",[28,49,50],{},"On-demand means you get resources when you ask for them, without a phone call, a purchase order, or a wait. You sign in to a console or run a command, choose what you want, and it is provisioned for you automatically.",[28,52,53],{},"This self-service model is a core difference from traditional IT. In an old setup, getting a new server could take weeks of approvals, ordering, and installation. In the cloud, the same request takes minutes, which changes how fast a team can build and test ideas.",[23,55,57],{"id":56},"pay-as-you-go-pricing","Pay-as-you-go pricing",[28,59,60],{},"You pay only for the resources you use, for as long as you use them. Turn a server on for an hour and you pay for an hour. Turn it off and the charge stops. Store 50 GB this month and 500 GB next month, and your bill follows your actual usage.",[28,62,63],{},"This is a shift from the traditional model, where you pay a large amount upfront for hardware whether or not you ever use its full capacity. Pay-as-you-go ties your cost to real demand, so you avoid paying for idle machines.",[23,65,67],{"id":66},"what-you-stop-doing","What you stop doing",[28,69,70],{},"Moving to the cloud removes a long list of low-value chores. You stop guessing how much hardware to buy. You stop racking and powering servers. You stop spending staff time on the maintenance that keeps a data center running but does nothing to improve your product.",[28,72,73],{},"That freed-up time and money can go toward work that actually sets your business apart, like building features for your customers. This idea, focusing on your own product instead of the underlying infrastructure, is one of the main reasons organizations move to the cloud.",[23,75,77],{"id":76},"exam-tips","Exam tips",[79,80,81,85,88,91],"ul",{},[82,83,84],"li",{},"Memorize the AWS definition: the on-demand delivery of IT resources over the internet with pay-as-you-go pricing.",[82,86,87],{},"The cloud provider owns and operates the physical hardware. You consume it as a service.",[82,89,90],{},"Pay-as-you-go means you pay only for what you use, with no large upfront hardware purchase.",[82,92,93],{},"On-demand self-service means resources are available in minutes, not weeks.",{"title":95,"searchDepth":96,"depth":96,"links":97},"",3,[98,100,101,102,103,104],{"id":25,"depth":99,"text":26},2,{"id":36,"depth":99,"text":37},{"id":46,"depth":99,"text":47},{"id":56,"depth":99,"text":57},{"id":66,"depth":99,"text":67},{"id":76,"depth":99,"text":77},"md",[],[13,14,15,16],{},"/courses/aws-certified-cloud-practitioner/en/domains/01-cloud-concepts/01-cloud-benefits/01-what-is-cloud-computing",{"passingScore":111,"questions":112},70,[113,122,128,136],{"question":114,"type":115,"options":116,"correctAnswer":118,"explanation":121},"Which statement best matches how AWS defines cloud computing?","single",[117,118,119,120],"The practice of storing files on a personal external hard drive","The on-demand delivery of IT resources over the internet with pay-as-you-go pricing","A type of software that only runs inside a company's own building","A program for backing up a single laptop to a USB stick","AWS defines cloud computing as the on-demand delivery of IT resources over the internet with pay-as-you-go pricing. The other options describe local storage or backup, which is not the same as renting shared, scalable resources from a provider.",{"question":123,"type":115,"options":124,"correctAnswer":126,"explanation":127},"With cloud computing, you must buy and maintain your own physical servers before you can run an application.",[125,126],"True","False","The cloud provider owns and maintains the physical hardware. You request the resources you need over the internet and the provider runs the data centers, so you never rack or power servers yourself.",{"question":129,"type":115,"options":130,"correctAnswer":132,"explanation":135},"A team needs 20 servers for a one-week test and then wants to stop paying for them. Which feature of cloud computing makes this possible?",[131,132,133,134],"You sign a 3-year hardware lease for the servers","You pay only for the resources you use, when you use them","You must predict your needs years in advance","You buy the servers and resell them after the test","Pay-as-you-go pricing lets you turn resources on for the test and off again afterward, paying only for the time they ran. Owning or leasing hardware would lock you into long-term cost regardless of use.",{"question":137,"type":138,"options":139,"correctAnswers":144,"explanation":145},"Which of the following are typical IT resources you can get on demand from a cloud provider like AWS? (Select all that apply.)","multiple",[140,141,142,143],"Compute power (virtual servers)","Storage","Databases","The physical electricity bill for your home",[140,141,142],"Cloud providers deliver compute, storage, databases, networking, and many higher-level services on demand. Your home electricity bill is not an IT resource a provider hands you, so it does not belong in the list.",{"title":7,"description":8},"courses/aws-certified-cloud-practitioner/en/domains/01-cloud-concepts/01-cloud-benefits/01-what-is-cloud-computing","Rg-jgi2U3er7bksWiOHTLQEhY0s5YyXVK2Xsv6epGqw",{"locked":9,"reason":150,"meta":151,"item":3},"paywall",{"title":152,"description":153,"isFree":5,"estimatedMinutes":154,"difficulty":11,"learningObjectives":155},"Cloud vs On-Premises","Compare running your own data center with using the cloud, including the shift from capital expense to variable expense and who handles maintenance.",13,[156,157,158,159],"Compare on-premises infrastructure with cloud computing","Explain the difference between capital expense and variable expense","Identify the operational burdens the cloud removes","Describe situations where each model fits"]