Contents

1. Basics of Computer Networks

1. Introduction  

2. Topology

3. Types of Networks   

4. Communication Types 

5. Modes of Communication    

6. Types of Network    

7. Protocols and Standards   

2. Network Models

1. Introduction  

2. Design Issues of the Layer

3. Protocol Hierarchies

4. ISO-OSI Reference Model   

5. Terminology   

6. Internet Model (TCP/IP)   

7. Addressing    

8. IP Addressing 

3. Transmission Media  

1. Introduction  

2. Classification of Transmission Media  

3. Propagation Methods 

4. Wired and Wireless LANs   

1. Introduction  

2. IEEE Standards

3. Standard Ethernet   

4. Fast Ethernet 

5. Giga Ethernet 

6. Network Interface Cards (NIC)   

7. Wireless LAN  

5. Network Connectivity Devices    

1. Categories of Connectivity Devices    

2. Network Security Devices  

6. Internet Basics     

1. Concept of Intranet and Extranet

2. Internet Information Server (IIS)

3. Web Server    

4. WWW (World Wide Web)

5. Search Engines

6. Internet Service Providers (ISP)

7. HTTP