Contents

1. An Introduction to Networks, Networks Topologies and Types  

1. Introduction

2. Data Communication and Representation  

3. Computer Networks

4. Network Hardware 

5. Network Models   

6. Network Topology 

7. Types of Networks

2. Network Models   

1. Introduction

2. OSI Reference Model    

3. TCP/IP Reference Model 

4. Comparison of OSI and TCP/IP Model

5. Addressing

3. Overview of Transmission Media   

1. Introduction

2. Guided Media

3. Unguided Media   

4. Cable Types and Cabling Tools

4. Physical Layer   

1. Introduction

2. Data and Signals 

3. Transmission Impairment

4. Data Rate Limits

5. Performance of the Network  

6. Line Coding 

7. Transmission Modes

8. Trunks and Multiplexing

9. Switching   

10.Physical Layer Devices

5.Data Link Layer   

1. Design Issues    

2. Services Provided to the Network Layer 

3. Framing

4. Error Detection  

5. Data Link Layer Devices

6. Medium Access Control  

7. Random Access Protocols

8. Controlled Access

9. Channelization   

10.Wired and Wireless LAN 

11.Wireless LAN

6. Network Layer    

1. Introduction

2. IPv4 Addresses

3. IPv4   

4. IPv6