\documentclass[a4paper,french,12pt]{article}

\title{Réseaux locaux}
\author{}
\date{Dernière compilation~: \today{} à \currenttime}

\usepackage{styles}
\usepackage{tikz}
\usetikzlibrary{shapes.multipart}
\usepackage{xfrac}
\usepackage{xcolor,colortbl}
\definecolor{Red}{rgb}{1,0.2,0.2}
\newcolumntype{r}{>{\columncolor{Red}}Y}

\begin{document}

\maketitle
\tableofcontents

\clearpage

\section{Types d'Ethernet}

\begin{tabular}{lllll}
    \toprule
    Vitesse & Nom commun & IEEE informel & IEEE formel & Type de câble et longueur max \\
    \midrule
    10 Mbps & Ethernet & 10Base-T & 802.3 & Cuivre,100m \\
    100 Mbps & FastEthernet & 100Base-T & 802.3u & Cuivre, 100m \\
    1000 Mbps & GigabitEthernet & 1000Base-LX & 802.3z & Fibre, 5000m \\
    1000 Mbps & GigabitEthernet & 1000Base-T & 802.3ab & Cuivre, 100m \\
    10 Gbps & 10 GigabitEthernet & 10GBASE-T & 802.3an & Cuivre, 100m \\
    \bottomrule
\end{tabular}

\end{document}