IT

IT

1. computer network

   • computer that communicate with another over a shared network
   • types
     • LANS, Internet, Intranet
     • Categories
       • client-server model, OSI model
   • Architectures
     • Ethernet LAN design
       • Token ring
         • FDDI
   • Topologies
     • Star
       • Ring
         • Bus

2. wireless internet and M-Business

   • mobile business
     • allow you to connect the internet from virtually any place
     • currient
       • location tracking
       • smartgadgets
       • blutooth technology
   • 2/3 of enterprises allow their employes to bring their own devices
   • 64% of hotels now offer free wifi
     • A wi-fi attack on an open network can take less than 2 seconds
   • wireless devices
     • with internet access allows uses to manage their information
     • tablets
       • digital celular phones
         • M-Business
           • Using wireless devices internet access
             • mobile workforce trends
               • social network
                 • mobile TV
                 • mobile advertising
       • smartphones
     • software applications
       • symbian
       • types of mobile applications
         • native apps
         • hybrid apps
         • web apps
         • microsoft pocket internet explorer

3. wireless communications

   • WPANS
     • WLANS
       • WWAN
         • GSM
         • GPRS
         • 4G
         • LTE
     • Bluetooth
       • wi-fi
   • Location tracking
     • GPS
       • Benefits
         • reduce full costs
         • increase productivity