This document contains a table of contents that outlines 8 chapters on fundamentals of networking. Chapter 1 discusses basic networking concepts like components of a network, transmission functions, signal power, bit rate vs baud rate, and serial vs parallel transmission. Chapter 2 covers topics such as modulation, digital/analog signals, modems, and resource sharing. Chapter 3 is about transmission media and switching techniques. Chapter 4 addresses network security issues including faults, error detection/correction, and flow control. Chapter 5 introduces the OSI model and TCP/IP. Chapter 6 provides an overview of local area networks. Chapter 7 discusses planning a LAN implementation. Chapter 8 describes telecommunication services, networks, and products for LAN interconnection.

1. Table of Contents
CHAPTER 1: FUNDAMENTALS OF NETWORKING ........... 1-1
1.1 Introduction.............................................................................................. 1-2
1.2 Functional Components of a Computer Network .................................... 1-2
1.3 Major Transmission Function.................................................................. 1-3
1.4 Signal Power ............................................................................................ 1-4
1.5 Signaling Rate.......................................................................................... 1-4
1.6 Bit Rate Vs Baud ..................................................................................... 1-6
1.7 Serial Transmission.................................................................................. 1-6
1.8 Parallel Transmission............................................................................... 1-7
1.9 Serial Vs Parallel Transmission ............................................................... 1-7
1.10 Simplex, Half-Duplex and Full-Duplex Transmission ............................ 1-8
1.11 Asynchronous and Synchronous Transmission ....................................... 1-8
1.12 Asynchronous Vs Synchronous Transmission......................................... 1-9
1.13 Interfacing .............................................................................................. 1-11
1.14 Review Questions .................................................................................. 1-13
CHAPTER 2: FUNDAMENTALS OF NETWORKING II ....... 2-1
2.1 Modulation............................................................................................... 2-2
2.2 Digital Signals and Analog Systems........................................................ 2-4
2.3 The Role of a modem in Data Communication ....................................... 2-6
2.4 Communications Resource Sharing......................................................... 2-6
2.5 Contention.............................................................................................. 2-11
2.6 Review Questions .................................................................................. 2-12
CHAPTER 3: TRANSMISSION MEDIA AND SWITCHING
TECHNIQUES.............................................................................. 3-1
3.1 Transmission Media................................................................................. 3-2
3.2 Switching Techniques.............................................................................. 3-8
3.3 Review Questions .................................................................................. 3-14
CHAPTER 4: NETWORK SECURITY ..................................... 4-1
4.1 Introduction.............................................................................................. 4-2
4.2 Network Faults......................................................................................... 4-2
4.3 Error Detection and Correction Techniques ............................................ 4-3
4.4 Assuring Error-Free Data Communication.............................................. 4-6
4.5 The Automatic Repeat/ Request (ARQ) System ..................................... 4-6
4.6 Flow Control ............................................................................................ 4-7
4.7 Human Interference ................................................................................. 4-8
4.8 Review Questions .................................................................................. 4-10
i

2. TABLE OF CONTENTS
CHAPTER 5: OSI MODEL AND TCP/IP.................................. 5-1
5.1 Open Systems Interconnection ................................................................ 5-2
5.2 Layered Architecture Concept ................................................................. 5-3
5.3 Layers, Services and Functions................................................................ 5-4
5.4 Entities, Protocols and Interfaces............................................................. 5-5
5.5 OSI Reference Model .............................................................................. 5-6
5.6 Introduction to TCP/IP........................................................................... 5-14
5.7 Review Questions .................................................................................. 5-17
CHAPTER 6: INTRODUCTION TO LAN ................................ 6-1
6.1 LAN Evolution......................................................................................... 6-2
6.2 Characteristics of a LAN ......................................................................... 6-2
6.3 Major Elements of a LANs ...................................................................... 6-3
6.4 LAN Topology......................................................................................... 6-4
6.5 Channel Allocation .................................................................................. 6-7
6.6 Access Control....................................................................................... 6-10
6.7 Review Questions .................................................................................. 6-12
CHAPTER 7: PLANNING A LAN IMPLEMENTATION ...... 7-1
7.1 Planning for a LAN Implementation ....................................................... 7-2
7.2 Installation and Configuration of a LAN ................................................. 7-3
7.3 Network Administration .......................................................................... 7-6
7.4 Review Questions .................................................................................. 7-14
CHAPTER 8: TELECOMMUNICATION SERVICES AND
NETWORK PRODUCTS ............................................................ 8-1
8.1 Types of Telecommunication Networks.................................................. 8-2
8.2 Services Provided by Telecommunication Service Providers ................. 8-2
8.3 Devices for LAN Interconnection............................................................ 8-4
8.4 LAN Products .......................................................................................... 8-8
8.5 Review Questions .................................................................................... 8-9
ii