Mapping "A" On The Fretboard and Interval Recognition of 1st & 2nd

IThanks to John of Basics For Baroque Improvisation (Channel on YouTube)! His lessons are awesome! The complete lesson of this particular one you can find here https://www.youtube.com/watch?v=c50iZKpjRb8&t=155s I only am doing the 1st and 2nd interval relative to "A".