Even so, I'd expect an candidate to say something like "this is something I know <some details> but I'd have to look at the docs for in depth information about

Even so, I'd expect an candidate to say something like "this is something I know <some details> but I'd have to look at the docs for in depth information about the detail you're asking". That would convince me that he knows what he's talking about. Googling for every question and then reading back verbatim what's in the docs sounds shady to me.