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Page 1: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

Chapter 1

Chapter 1

Page 2: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

Ch 1 Goals

In this chapter, you will learn to:•Describe how networks impact our daily lives.•Describe the role of data networking in the human network.•Identify the key components of any data network.•Identify the opportunities and challenges posed by converged networks.•Describe the characteristics of network architectures: fault tolerance, scalability, quality of service and security.•Install and use IRC clients and a Wiki server.

Page 3: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.1.1 Networks Support the Way We Live

Imagine a world without networks

Page 4: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.1.1 Networks Support the Way We Live

Page 5: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.1.1 Networks Support the Way We Live

Page 6: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.1.2 Examples – Today’s Communication Tools

Page 7: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.1.2 Examples – Today’s Communication Tools

Page 8: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.1.3 Networks in Learning

Page 9: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.1.3 Networks in Learning

Page 10: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.1.4 Networks at work

Page 11: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.1.5 Networks and Work

Page 12: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.2.1 What is Communiction?

Among the protocols that govern successful human communication are:•An identified sender and receiver•Agreed upon method of communicating (face-to-face, telephone, letter, photograph)•Common language and grammar•Speed and timing of delivery•Confirmation or acknowledgement requirements

Page 13: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.2.2 Quality of Communications

External factors affecting the success of communication include:•The quality of the pathway between the sender and the recipient•The number of times the message has to change form •The number of times the message has to be redirected or readdressed•The number of other messages being transmitted simultaneously on the communication network•The amount of time allotted for successful communication

Page 14: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.2.2 Quality of Communications

Page 15: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.3.1 Communicating over networks

Page 16: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.3.2 Elements of a Network

Page 17: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.3.2 Elements of a Network

Page 18: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.3.2 Elements of a Network

Page 19: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.3.2 Elements of a Network

Page 20: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.3.2 Elements of a Network

101010101010101010101010101010101010101010101010101010101010101010

Page 21: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.3.3 Converged Networks

Page 22: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.3.3 Converged Networks

Page 23: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.1 Network Architecture

Fault Tolerance

Page 24: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.1 Network Architecture

Scalability

Page 25: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.1 Network Architecture

Page 26: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.1 Network Architecture

Page 27: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.2 Fault Tolerant Network Architecture

Page 28: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.2 Fault Tolerant Network Architecture

Page 29: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.3 Scalable Network Architecture

Page 30: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.3 Scalable Network Architecture

Page 31: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.3 Scalable Network Architecture

Page 32: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.3 Scalable Network Architecture

Page 33: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.3 Scalable Network Architecture

Page 34: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.4 Providing Quality of Service

Page 35: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.4 Providing Quality of Service

Page 36: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.4 Providing Quality of Service

QoS mechanisms enable the establishment of queue management strategies that enforce priorities for different classifications of application data. Without properly designed and implemented QoS mechanisms, data packets will be dropped without consideration of the application characteristics or priority.

Page 37: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.5 Providing Network Security

Page 38: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.4.5 Providing Network Security

Page 39: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.5.1 Where is it all going?

Page 40: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.5.2 Network Careers

Page 41: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.6.1 Using Collaboration Tools

Page 42: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.6.2 Using Collaboration Tools

In this lab, you will define the terms wiki and blog. You will also explain the purpose of a wiki and blog and how these technologies are used for collaboration.

Page 43: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

1.7.1 Summary

Page 44: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human
Page 45: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

Base 10 Numbering System

Page 46: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

Base 2 Numbering System

Page 47: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

ASCII Code

128 64 32 16 8 4 2 1

0 1 0 0 0 0 0 1

The Letter A

Page 48: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

Binary to Decimal Conversion

128 64 32 16 8 4 2 1

1 1 0 0 0 0 0 0

1 0 0 1 1 0 0 1

1 1 1 1 1 1 1 1

Page 49: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

Decimal to Binary Conversion

128 64 32 16 8 4 2 1

Number Divide Result Remainder

192 / 2 = 96 0

96 / 2 = 48 0

48 / 2 = 24 0

24 / 2 = 12 0

12 / 2 = 6 0

6 / 2 = 3 0

3 / 2 = 1 1

1 / 2 = 0 1

Page 50: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

Decimal - Binary - Hexadecimal Table

Page 51: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

Dotted Decimal Notation

Page 52: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

IP Address Classes

Page 53: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

Address Classes

Page 54: Chapter 1. Ch 1 Goals In this chapter, you will learn to: Describe how networks impact our daily lives. Describe the role of data networking in the human

IP First Octet Address Ranges