Hello,
With Latex, for my layout, I used this :

\documentclass[a4paper,11pt]{article}
\usepackage[left=2cm,right=2cm,top=2cm,bottom=2cm]{geometry}

With Context, I did this :

\setuppapersize[A4][A4]
\setuplayout
  [ topspace=2cm,
    header=0pt,
    footer=1.5cm,
    bottomspace=0pt,
    backspace=2cm,
    cutspace=0pt,
    width=middle]


Is it correct ?
Thank you
Fabrice