Learning Aim B: Transmitting Data

Learning Aim B: Transmitting Data

1. Connectivity

   • Wired
     • Ethernet
     • USB
     • Parallell
     • Serial
     • VGA/HDMI
     • Fibre-optic
   • Wireless
     • 4G
     • Bluetooth
     • Wifi
   • Sync
   • Bandwidth
   • Latency
   • Implications of different connection types
     • The impact on the performance of an IT System

2. Networtks

   • Features and purpose
     • PAN
     • WAN
     • LAN
     • VPN
       • ISDN (OLD VPN)
   • Choice of network
     • User needs
     • Specification
     • Connectivity
     • Cost
     • Implementation
     • Compatabliity
     • Efficiency
     • User Experience
     • Productivity
     • Security

3. Issues relating to transmission of data

   • Protocols
     • Email
       • POP3
       • IMAP
       • SMTP
       • exchange
     • VOIP
     • Web pages
       • HTTP
       • HTTPS
       • SSL
     • Secure Payment Systems
   • Security
     • Passwords
     • Encrition
     • Biometric
   • Compression
     • Lossy
     • Lossless