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%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Aelphi (Aelphi)}
\pdfinfo{
  /Title (network-01-basics.pdf)
  /Creator (Cheatography)
  /Author (Aelphi (Aelphi))
  /Subject (Network+ | 01.Basics Cheat Sheet)
}

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% Commands
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% Header and Footer
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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Network+ | 01.Basics Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Aelphi (Aelphi)} via \textcolor{DarkBackground}{\uline{cheatography.com/179727/cs/37393/}}}
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\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Aelphi (Aelphi) \\
  \uline{cheatography.com/aelphi} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 28th February, 2023.\\
   Updated 28th March, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Network Components}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Client}} & end-user access \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{Server}} & provides resources to network \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{Hub}} & connects devices - rebroadcast data \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
{\bf{Switch}} & idem but uses selective adressing (IP/MAC) \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
{\bf{Wireless Access Point}} & (WAP) - wireless hub \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
{\bf{Media}} & connecting media (cables, waves, electricity, ...) \tn 
% Row Count 12 (+ 3)
% Row 6
\SetRowColor{LightBackground}
{\bf{WAN Link}} & DSL, Cable, leased lines, satellite, cellular, MW, ... \tn 
% Row Count 15 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.32 cm} x{5.68 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Wired Network Topologies}}  \tn
% Row 0
\SetRowColor{LightBackground}
can be & {\emph{physical}} (cabling) or {\emph{logical}} (traffic flow) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{Bus}} & backbone cable, old, single collision domain \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{Ring}} & circular loop, singular direction \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
 & {\emph{token ring}} = devices wait their turn \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
 & {\emph{FDDI}} (fiber) = 2-counter rotating, redundancy \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
{\bf{Star}} & connected to central device, SPOF! \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
{\bf{Hub \& Spoke}} & Star topology with WAN i.o. LAN (hubs) \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
Full-{\bf{Mesh}} & rendundant, everyone is connected, efficient, very expensive \tn 
% Row Count 17 (+ 3)
% Row 8
\SetRowColor{LightBackground}
Partial-{\bf{Mesh}} & hybrid of Full-Mesh and Hub\&Spoke \tn 
% Row Count 19 (+ 2)
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.12 cm} x{4.88 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Wireless Network Topologies}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Infrastructure Mode}} & most common, cenralized mgmt, uses wireless securtiy control \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
{\bf{Ad Hoc}} & P2P connections, no routers \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{Wireless Mesh Topology}} & Different type of nodes or devices, client-routers-gatways \tn 
% Row Count 8 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

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\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Network Resources}}  \tn
% Row 0
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{\bf{Client/Server}} & Def & uses servers to provide access to files, printers, etc \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
 & + & centralized, easier mgmt, scalable \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
 & - & high cost, dedicated resources, network operating system \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
{\bf{Peer-to-Peer}} & Def & Peers share resources directly to others \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
 & + & lower cost, no dedicated resource, no specialized system \tn 
% Row Count 13 (+ 3)
% Row 5
\SetRowColor{white}
 & - & decentralized mgmt, inefficent for large NW, poor scalability \tn 
% Row Count 16 (+ 3)
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{0.912 cm} x{1.52 cm} x{5.168 cm} }
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\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Network Geography}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{PAN}} & \seqsplit{Personnal} & bluetooth, cellphone, usb drive, watch \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{LAN}} & Local & limited distance, ethernet (802.3), WIFI (802.11), \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{CAN}} & Campus & connects several buildings, camps, MIL bases, schools \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
{\bf{MAN}} & \seqsplit{Metropolitan} & up to 25-mile radius like city departments, community over a region \tn 
% Row Count 9 (+ 3)
% Row 4
\SetRowColor{LightBackground}
{\bf{WAN}} & Wide & across country, world, uing leased lines or VPN \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.16 cm} x{5.84 cm} }
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% Row 0
\SetRowColor{LightBackground}
{\bf{802.11}} WIFI & operates infrastructure or ad-hoc \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{Bluetooth}} & low energy, mesh network, pairing sys \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{RFID}} & electromagnetic fields, ie badge reader \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
{\bf{NFC}} & RFID but 4cm range, more precise \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
{\bf{IR}} Infrared & in line-of-sight \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
{\bf{Z-wave}} & short range, low-latency data transfer for {\bf{home automation}} \tn 
% Row Count 13 (+ 3)
% Row 6
\SetRowColor{LightBackground}
{\bf{Ant+}} & {\bf{sensor}} data for remote control systems \tn 
% Row Count 15 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}