© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 1 Version 4.0 Chapter 0 Course Overview

2 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Assessment  Exam 70%  LAB Exam 30%  Absent -5%/time

3 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Course outlines  Chapter 1 Networking Fundamental and Media  Chapter 2 Cable-LAN-WAN-Ethernet  Chapter 3 Ethernet-Switching-TCPIP  Chapter 4 Routing-Subnet  Chapter 5 WANs and Routers  Chapter 6 Configuring Router and IOS  Chapter 7 Ethernet Technology  Chapter 8 TCPIP-Control Message  Chapter 9 Access Control List (ACL)  Chapter 10 Network Design and Troubleshooting  + 6 LABs

4 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Reference  All Text Books of Cisco CCNA Instructor Contact :  Dr.Sukchatri PRASOMSUK  Building ICT, Room 1332  

© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 5 Version 4.0 Living in a Network Centric World In the present

6 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public How Networks Impact Daily Life  Explain the benefits of instantaneous communication and how it supports and improves our lives

7 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public How Networks Impact Daily Life  Describe the characteristics and purpose of popular communication media such as, IM, Wikis, Blogs, Podcasting, and Collaboration Tools –Instant messaging Real time communication between 2 or more people based on typed text –Weblogs (Blogs) Web pages created by an individual –Podcasting Website that contains audio files available for downloading

8 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public How Networks Impact Daily Life  Explain ways that using information networks to share and collaborate improves teaching and learning

9 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public How Networks Impact Daily Life  Describe ways communication over a network changes the way we work

10 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public How Networks Impact Daily Life  Describe ways communication over a network supports the way we play

11 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Data Networking Role, Components, and Challenges  Basic characteristics of communication –Rules or agreements are 1 st established –Important information may need to be repeated –Various modes of communication may impact the effectiveness of getting the message across

12 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Data Networking Role, Components, and Challenges  Describe the role of data networking in communications

13 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Data Networking Role, Components, and Challenges  Describe the various elements that make up a network –Devices These are used to communicate with one another –Medium This is how the devices are connected together –Messages Information that travels over the medium –Rules Governs how messages flow across network

14 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Data Networking Role, Components, and Challenges  Describe the role of converged networks in communications –Converged network A type of network that can carry voice, video & data over the same network

15 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Architecture Characteristics  Explain four characteristics that are addressed by network architecture design –Fault tolerance –Scalability –Quality of service –Security

16 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Architecture Characteristics  Describe how packet switching helps improve the resiliency and fault tolerance of the Internet architecture

17 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Architecture Characteristics  Describe characteristics of the Internet that help it scale to meet user demand –Hierarchical –Common standards –Common protocols

18 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Architecture Characteristics  Explain the factors that necessitate Quality of Service and the mechanisms necessary to ensure it

19 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Architecture Characteristics  Describe how QoS (Quaity of Service) mechanisms work to ensure quality of service for applications that require it

20 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Architecture Characteristics  Describe how to select the appropriate QoS strategy for a given type of traffic

21 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Architecture Characteristics  Describe why networks must be secure

22 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Architecture Characteristics  Describe basic measures to secure data networks –Ensure confidentiality through use of User authentication Data encryption –Maintain communication integrity through use of Digital signatures –Ensure availability through use of Firewalls Redundant network architecture Hardware without a single point of failure

23 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Explain How a Hierarchical Network Design Creates a Stable, Reliable, Scalable Network Network requirements:  Ease of management  Fast recovery  Application response time  Fast troubleshooting

24 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Explain How a Hierarchical Network Design Creates a Stable, Reliable, Scalable Network Four fundamental network design goals:  Scalability  Availability  Security  Manageability

25 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Explain How a Hierarchical Network Design Creates a Stable, Reliable, Scalable Network  Core Layer: connects Distribution Layer devices  Distribution Layer: interconnects smaller LANs  Access Layer: provides connections for hosts and end devices

26 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Explain How a Hierarchical Network Design Creates a Stable, Reliable, Scalable Network Subdividing the three-layer model into modular areas:  Enterprise campus  Server farm  Enterprise edge

27 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Explain How a Hierarchical Network Design Creates a Stable, Reliable, Scalable Network Steps in network design projects:  Identify the network requirements  Characterize the existing network  Design the network topology and solutions

28 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Utilize the Hierarchical Design Model to Develop a Cost-Effective Network Design  Create the logical LAN diagram, including the locations of servers and services

29 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Cisco Packet Tracer

30 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Summary

© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 31 Version 4.0 Chapter 1 Networking Fundamentals and Networking Media

32 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Objectives

33 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Requirements for Internet Connection

34 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public PC Basics AGP Expansion Slot PCI Expansion Slots

35 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Interface Cards

36 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public NIC and Modem Installation

37 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public High-Speed and Dialup Connectivity

38 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public TCP/IP Description and Configuration

39 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Testing Connectivity with Ping

40 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Web Browser and Plug-Ins

41 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Troubleshooting Internet Connections

42 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Binary Number System

43 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Bits and Bytes

44 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Base 10 Numbers

45 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Base 2 (Binary) Numbers

46 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Converting Decimal numbers to 8-bit Binary Numbers

47 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Converting 8-bit Binary Numbers to Decimal Numbers

48 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Four-Octet Dotted-decimal Representation of 32-Bit Binary Numbers

49 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Hexadecimal

50 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Boolean or Binary Logic

51 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public IP Addresses and Network Masks

52 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Summary

© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 53 Version 4.0 Networking Fundamentals

54 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Objectives

55 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Data Networks

56 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network History

57 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network History continued

58 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Networking Devices

59 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Topology

60 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Protocols

61 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Local-area Networks (LANs)

62 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wide-area Networks (WANs)

63 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Metropolitan-Area Network (MANs)

64 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Storage-Area Networks (SANS)

65 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Virtual Private Networks (VPNs)

66 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Benefits of VPNs

67 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Intranet and Extranet VPN

68 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Importance of Bandwidth

69 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Bandwidth Pipe Analogy

70 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Bandwidth Highway Analogy

71 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Bandwidth Measurements

72 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Bandwidth Limitations

73 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Bandwidth Throughput

74 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Digital Transfer Calculation

75 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Digital versus Analog

76 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Using Layers to Analyze Problems

77 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Using Layers to Describe Data Communication

78 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public OSI Model

79 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public OSI Layers

80 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public OSI Layers Provides connectivity and path selection between two host Provides Logical address No error correction, best effort delivery.

81 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public OSI Layers

82 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public OSI Layers

83 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public OSI Layers

84 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public OSI Layers

85 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public OSI Layers

86 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Peer-to-Peer Communication

87 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public TCP/IP Model

88 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Encapsulation

89 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Names for Data at Each Layer

90 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Summary

© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 91 Version 4.0 Networking Media

92 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Objectives

93 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Atoms and Electrons

94 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Atoms and Electrons

95 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Atoms and Electrons

96 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Atoms and Electrons

97 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Voltage

98 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Resistance and Impedance

99 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Current Flow

100 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Circuits

101 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Circuits

102 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Cable Specifications

103 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Coaxial Cable

104 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Shielded Twisted-Pair Cable

105 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Unshielded Twisted Pair (UTP)

106 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Unshielded Twisted Pair (UTP)

107 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Unshielded Twisted Pair (UTP)

108 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Unshielded Twisted Pair (UTP)

109 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Unshielded Twisted Pair (UTP)

110 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Unshielded Twisted Pair (UTP)

111 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Unshielded Twisted Pair (UTP)

112 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public The Electromagnetic Spectrum

113 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Ray Model of Light

114 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Ray Model of Light

115 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Reflection

116 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Reflection

117 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Refraction

118 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Total Internal Reflection

119 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Total Internal Reflection

120 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Total Internal Reflection

121 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Multimode Fiber

122 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Multimode Fiber

123 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Multimode Fiber

124 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Multimode Fiber

125 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Multimode Fiber

126 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Multimode Fiber

127 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Single-mode Fiber

128 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Optical Media

129 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Signals and Noise in Optical Fibers

130 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Scattering

131 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Bending

132 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fiber End Face Finishes

133 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fiber End Face Polishing Techniques

134 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Splicing

135 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Calibrated Light Sources and Light Meter

136 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless LAN Standards

137 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Internal Wireless NIC for Desktop or Server

138 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public PCMCIA NIC for Laptop

139 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public External USB Wireless NIC

140 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Access Point

141 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless LAN

142 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Roaming

143 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public IEEE Wireless Frame Types

144 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Adaptive Frame Types

145 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Authentication and Association Types

146 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Radio Wave

147 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Modulation

148 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Omni Directional Antenna

149 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless Security

150 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Question/Answer  Thank you