You can reduce this to: When I interview developers, I generally ask some basic questions about ____ - "Explain to me what _____ is?", or "How would you _____?

You can reduce this to: When I interview developers, I generally ask some basic questions about ____ - "Explain to me what _____ is?", or "How would you _____?" Basic stuff, which - to my mind - literally every person who develops anything which is on _____ should know. And a surprising number of people - even "senior" developers can't answer this stuff. It's really worrying.