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What Is Cloud Computing?
Cloud computing delivers computing resources like servers and storage over the internet, on demand.
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AiTechWorlds
AiTechWorlds
Cloud computing delivers servers, storage, and software over the internet on demand. This visual guide covers IaaS, PaaS, SaaS, serverless, object storage, regions, auto-scaling, cloud security, and IAM across AWS, Azure, and Google Cloud.
Cloud computing delivers computing resources like servers and storage over the internet, on demand.
IaaS rents infrastructure, PaaS provides a platform to build on, and SaaS delivers ready-to-use software.
Public is shared, private is dedicated, and hybrid combines both.
A VM is a software-based computer running on shared physical hardware in the cloud.
Serverless runs your code on demand without managing servers, scaling automatically.
Object storage (like S3 or R2) stores files as objects, ideal for images, backups, and media.
AWS, Azure, and Google Cloud are the three leading providers with overlapping services.
Regions are geographic locations; availability zones are isolated data centers within them.
Auto-scaling adds or removes resources automatically based on traffic.
A cloud load balancer spreads traffic across instances for reliability and speed.
A VPC is your private, isolated network inside the cloud provider.
A CDN caches content at edge locations near users for faster delivery.
Managed cloud databases handle backups, scaling, and maintenance for you.
You pay only for the resources you actually use, with no upfront hardware cost.
Secure the cloud with encryption, least-privilege access, and monitoring.
IAM controls who can access which resources and what actions they can perform.
Cloud services run containers at scale with managed Kubernetes and serverless options.
Right-size resources, use auto-scaling, and turn off idle services to cut costs.
Compute, storage, databases, networking, and identity are the core building blocks.
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