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Back in 2022, my at-the-time workplace decided to sponsor folks for AWS certifications. To get people to start studying for the test, they asked that folks pick one of the many services or configurations you can/might/will end up using on AWS and do a 1-hour group discussion on it.

I was wrong, of course. It was a bit of fun to do the reading on VPCs and then CIDR blocks and the general principles of designing and building networks — all very interesting stuff, a rabbit hole leading down into a veritable warren of topics that I wish I'd taken better notes on. But anyway.

I prepared a slideshow of maybe 8 slides? Mostly tables and diagrams, no notes on there. Didn't want to turn it into a session of reading off of the screen, didn't want people to feel sleepy staring at a wall of text. Closer to a demo-ish vibe, jumping around between the AWS console and the show.

Which took all of 30 minutes, with the rest remaining for questions and activities. With the number of folks who'd already done presentations in the weeks prior, I wanted to keep things lively. Silly questions and hypotheticals welcome. Like, what if we want an EC2 instance to have 2 IP addresses?