2. Servers & Security

• Networks - Servers
  
• Print Servers
  
• File Servers
  
• Security
  

3. Data Packets and Connecting Computers

• Data Packets (1 of 2)
  
• Data Packets (2 of 2)
  
• Physical Connections
  
• Physical Connections - Electrical Cables
  
• Electrical Cables - Coaxial cables
  
• Electrical Cables - Twisted pair cables
  
• Physical Connections - Fibre Optic Cables
  
• Physical Connections - Electromagnetic Waves
  
• Physical Connections - NIC
  
• Physical Connections - Modem
  

5. Protocols & Elements

• Network Protocols
  
• Internet
  
• Intranet
  
• Other Network Elements
  
• Other Network Elements - Repeaters
  
• Other Network Elements - Bridges
  
• Other Network Elements - Routers
  
• Other Network Elements - Gateways
  

6. Advantages & Disadvantages

• Advantages
  

Exercises