What is a VPC in AWS? Took me a long time to get to grips with it. Here are some really useful AWS VPC tutorials for beginners that I found useful:
Here are some AWS VPC cheat sheets that a worth a look:
Here is a VPC subnet builder:
And if you are ready to take the next step, some further further learning:
Let me know if you have some great AWS VPC for beginners to share.