Not OP but I also interview. I see CGroups and namespaces is a follow up to “how does it work or how is it usually isolated?” And I ask “why would I use it?” Or

Not OP but I also interview. I see CGroups and namespaces is a follow up to “how does it work or how is it usually isolated?” And I ask “why would I use it?” Or “when would I choose containers over vm?” Or vice versa to get to actual architectural decisions The wrong answer usually involves a lot of hemming and hawing