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\ihead{CCNA v7.2: ITN (Introduction to Networks)}
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\ohead{kohnlehome.de/cisco/CCNA-1-01.pdf}
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\ifoot{Franz Kohnle}
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\begin{document}

% Überschrift 
\begin{center}
    \LARGE % Schriftgröße
    \bfseries % Fettdruck
    \sffamily % Serifenlose Schrift
    1 Networking Today
\end{center}


\begin{itemize}
    \item Host, End Device: Computer, that is connected to a network. IP Address
          \begin{itemize}
              \item Client: request information
              \item Server: provide information
          \end{itemize}
    \item Peer-to-Peer-Network: many computers function as servers and clients
    \item End Device: source or destination of a message
    \item Intermediary Device: connect end devices and networks
          \begin{itemize}
              \item Router
              \item Switch
          \end{itemize}
    \item Network Media
          \begin{itemize}
              \item Copper: electrical impulses
              \item Fiber-Optic: light
              \item Wireless: electromagnetic waves
          \end{itemize}
    \item Topology Diagram
          \begin{itemize}
              \item Physical Topology Diagram: physical location of devices and cable
              \item Logical Topology Diagram: addressing
          \end{itemize}
    \item Network Sizes
          \begin{itemize}
              \item Small Home Network
              \item Small Office and Home Office Networks (SOHO)
              \item Medium to Large Networks
              \item World Wide Networks
          \end{itemize}
    \item LAN vs. WAN
          \begin{itemize}
              \item Local Area Network: limited area, single organisation, high-speed
              \item Wide Area Network: connect LANs, wide area, service providers, slower speed
          \end{itemize}
    \item Internet: interconnected LANs and WANs
    \item Intranet vs. Extranet
          \begin{itemize}
              \item Intranet: accessible by employees
              \item Extranet: accessible by external people
          \end{itemize}
    \item Internet Access Technologies
          \begin{itemize}
              \item Home: Cable, DSL, Cellular, Satellite, Dial-op Phone
              \item Business: Dedicated Leased Line, Metro Ethernet, business DSL, Satellite
          \end{itemize}
    \item Converging Network
          \begin{itemize}
              \item Data
              \item Telephone
              \item Video
          \end{itemize}
    \item Network Architecture
          \begin{itemize}
              \item Fault tolerance
              \item Scalability
              \item Quality of Service
              \item Security
          \end{itemize}
    \item Network Trends
          \begin{itemize}
              \item BYOD
              \item Online Collaboration
              \item Video Communication
              \item Cloud Computing: Public, Private, Hybrid, Community
              \item Powerline
              \item Wireless Broadband
          \end{itemize}
    \item Network Security
          \begin{itemize}
              \item Security Threats
                    \begin{itemize}
                        \item Virus, worm, trojan horse
                        \item Spyware, adware
                        \item Zero-day-attacs
                        \item Threat actor attacs
                        \item Denial of Service attack
                        \item Data interception and theft
                        \item Identity theft
                    \end{itemize}
              \item Security Solutions
                    \begin{itemize}
                        \item Antivirus
                        \item Firewall
                        \item ACL (Access Control List)
                        \item IPS (Intrusion prevention system)
                        \item VPN (Virtual Private Network)
                    \end{itemize}
          \end{itemize}
\end{itemize}

\end{document}
