Computer Networks and Network Administration

Contents

1. Overview of Computer Networks

1.1 Introduction

1.2 Computer networks

1.3 Types of networks

1.4 Protocols and standards

1.5 Components of LAN

1.6 Types of LAN

2. Network Models

2.1 Introduction

2.2 Network architecture

2.3 Design issues for the layers

2.4 Services

2.5 Reference models

2.6 Comparison of OSI and internet model

3. Physical Layer

3.1 Tasks performed

3.2 Signaling

3.3 Digital network-ISDN (Integrated Services Digital Network)

3.4 Switching

4. Data Link Layer

4.1 Tasks performed

4.2 Services provided to the network layer

4.3 Framing

4.4 Error control-error detection and correction

4.5 Elementary data link protocols

4.6 Sliding window protocols

4.7 Factors affecting protocol efficiency

4.8 Example data link protocols

5. Multiple Access Protocols

5.1 The channel allocation problem

5.2 Random access protocols

5.3 Controlled access

5.4 Channelization

5.5 IEEE 802.3 and ethernet

5.6 IEEE 802.11 wireless LAN

5.7 Bluetooth

5.8 Virtual LAN’s

Appendix A

Appendix B