I hope that by visiting here you'll be able to learn something useful.  All the study books are very good but its always useful to be able to get as much information from different sources.

Click on each link in turn and it will take you to the relevant source of information.  If there's something missing or you require further help please let me know by either e-mailing me or use the form on the home page.

1. OSI Model, LAN and WAN Cabling

2. Layer 2 Switching and the Spanning Tree Protocol (STP)

3. TCP/IP and the DOD Model

4. IP Routing Protocols

5. Cisco Switches (Including Components)

6. Cisco Routers

7. Virtual LAN's (VLAN)

 Last Updated: 20th Feb 2003