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Short lessons that explain one thing properly. Search for a word, or pick a subject and read it through from the basics.

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9 of 58 lessons about Cloud, beginner level Show all lessons

Backups and disaster recovery

Keeping a copy you can get back: the 3-2-1 rule, the kinds of backup, and backup against archive.

1 of 4 lessons shown

  1. What is cloud backup? Cloud backup keeps a copy of your data with a provider over the internet. How it works, and why Microsoft 365 or Google Workspace is not one. Beginner 3 min read

Cloud computing

What the cloud is and how it works: service models, virtual machines, containers and serverless.

3 of 7 lessons shown

  1. What is cloud computing? Cloud computing means renting computing over the internet instead of owning it. The five features that define it, and what they mean for a small business. Beginner 3 min read
  2. What is software as a service (SaaS)? SaaS is software the provider runs for you and you use over the internet. What the provider looks after, what stays with you, and what to ask before signing up. Beginner 3 min read
  3. What is a virtual machine? A virtual machine is a computer made of software, running on a physical one. What a hypervisor does, why businesses use them, and what to look after. Beginner 3 min read

Cloud platforms and storage

The three big platforms side by side, and the kinds of storage they sell.

4 of 6 lessons shown

  1. What is Amazon Web Services (AWS)? AWS is Amazon’s cloud platform. What it rents out, where its Australian data centres are, how it charges and which security jobs stay with you. Beginner 3 min read
  2. What is Microsoft Azure? Azure is Microsoft’s cloud platform. What it rents out, where its Australian data centres are, how it charges and which security jobs stay with you. Beginner 3 min read
  3. What is Google Cloud Platform (GCP)? Google Cloud is Google’s cloud platform. What it rents out, where its Australian data centres are, how it charges and which security jobs stay with you. Beginner 3 min read
  4. What is cloud storage? Cloud storage keeps your files on a provider’s equipment and delivers them over the internet. Where the data lives, how safe it is and who can read it. Beginner 3 min read

Websites, hosting and domains

What happens between typing an address and seeing a page: domains, DNS, hosting, HTTPS and CDNs.

1 of 9 lessons shown

  1. What is web hosting? Web hosting is the service that keeps your website on a server and delivers it to visitors. The main kinds, and what to ask a host. Beginner 3 min read

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