as of Feb 2017 this is now possible to attach/replace a role to an existing EC2 instance. no need to attach at creation time as stated at about 4:20.
Hey axon yep agreed. Think it is usually a while before exam questions are updated though which is a bit rough as you end up stuck between a) the right answer and b) what you need to get the question right on the exam. Where I’ve had exam questions like this it’s always a dilemma to try and think when it changed and then ‘game’ whether the exam has updated or not. I have wondered if the questions have had an overhaul since moving to psi but I’ve not sat one since the switch