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Chapter 0

Course Overview

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Assessment

Exam 70%

LAB Exam 30%

Absent -5%/time

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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

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Reference

All Text Books of Cisco CCNA

Instructor Contact : Dr.Sukchatri PRASOMSUK

Building ICT, Room 1332

skchatri@hotmail.com

0804509105

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Living in a Network Centric World

In the present

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How Networks Impact Daily Life Explain the benefits of instantaneous communication

and how it supports and improves our lives

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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

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How Networks Impact Daily Life Explain ways that using information networks to share

and collaborate improves teaching and learning

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How Networks Impact Daily Life Describe ways communication over a network changes

the way we work

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How Networks Impact Daily Life Describe ways communication over a network supports

the way we play

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Data Networking Role, Components, and Challenges

Basic characteristics of communication– Rules or agreements are 1st established– Important information may need to be repeated– Various modes of communication may impact the

effectiveness of getting the message across

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Data Networking Role, Components, and Challenges

Describe the role of data networking in communications

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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

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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

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Network Architecture Characteristics Explain four characteristics that are addressed by

network architecture design– Fault tolerance– Scalability– Quality of service– Security

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Network Architecture Characteristics Describe how packet switching helps improve the

resiliency and fault tolerance of the Internet architecture

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Network Architecture Characteristics Describe characteristics of the Internet that help it scale

to meet user demand– Hierarchical– Common standards– Common protocols

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Network Architecture Characteristics Explain the factors that necessitate Quality of Service

and the mechanisms necessary to ensure it

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Network Architecture Characteristics Describe how QoS (Quaity of Service) mechanisms

work to ensure quality of service for applications that require it

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Network Architecture Characteristics Describe how to select the appropriate QoS strategy for

a given type of traffic

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Network Architecture Characteristics Describe why networks must be secure

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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

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Explain How a Hierarchical Network Design Creates a Stable, Reliable, Scalable Network

Network requirements: Ease of management Fast recovery Application response time Fast troubleshooting

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Explain How a Hierarchical Network Design Creates a Stable, Reliable, Scalable Network

Four fundamental network design goals:

Scalability

Availability

Security

Manageability

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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

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Explain How a Hierarchical Network Design Creates a Stable, Reliable, Scalable NetworkSubdividing the three-layer model into modular areas:

Enterprise campus

Server farm

Enterprise edge

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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

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Utilize the Hierarchical Design Model to Develop a Cost-Effective Network Design

Create the logical LAN diagram, including the locations of servers and services

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Cisco Packet Tracer

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Summary

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Chapter 1

Networking Fundamentalsand Networking Media

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Objectives

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Requirements for Internet Connection

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PC Basics

AGP Expansion Slot

PCI Expansion Slots

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Network Interface Cards

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NIC and Modem Installation

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High-Speed and Dialup Connectivity

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TCP/IP Description and Configuration

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Testing Connectivity with Ping

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Web Browser and Plug-Ins

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Troubleshooting Internet Connections

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Binary Number System

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Bits and Bytes

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Base 10 Numbers

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Base 2 (Binary) Numbers

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Converting Decimal numbers to 8-bit Binary Numbers

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Converting 8-bit Binary Numbers to Decimal Numbers

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Four-Octet Dotted-decimal Representation of 32-Bit Binary Numbers

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Hexadecimal

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Boolean or Binary Logic

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IP Addresses and Network Masks

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Summary

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Networking Fundamentals

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Objectives

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Data Networks

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Network History

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Network History continued

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Networking Devices

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Network Topology

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Network Protocols

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Local-area Networks (LANs)

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Wide-area Networks (WANs)

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Metropolitan-Area Network (MANs)

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Storage-Area Networks (SANS)

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Virtual Private Networks (VPNs)

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Benefits of VPNs

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Intranet and Extranet VPN

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Importance of Bandwidth

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Bandwidth Pipe Analogy

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Bandwidth Highway Analogy

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Bandwidth Measurements

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Bandwidth Limitations

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Bandwidth Throughput

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Digital Transfer Calculation

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Digital versus Analog

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Using Layers to Analyze Problems

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Using Layers to Describe Data Communication

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OSI Model

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OSI Layers

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OSI Layers

• Provides connectivity and path selection between two host

• Provides Logical address

• No error correction, best effort delivery.

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OSI Layers

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OSI Layers

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OSI Layers

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OSI Layers

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OSI Layers

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Peer-to-Peer Communication

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TCP/IP Model

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Encapsulation

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Names for Data at Each Layer

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Summary

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Networking Media

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Objectives

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Atoms and Electrons

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Atoms and Electrons

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Atoms and Electrons

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Atoms and Electrons

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Voltage

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Resistance and Impedance

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Current Flow

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Circuits

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Circuits

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Cable Specifications

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Coaxial Cable

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Shielded Twisted-Pair Cable

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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Unshielded Twisted Pair (UTP)

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The Electromagnetic Spectrum

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Ray Model of Light

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Ray Model of Light

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Reflection

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Reflection

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Refraction

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Total Internal Reflection

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Total Internal Reflection

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Total Internal Reflection

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Multimode Fiber

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Multimode Fiber

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Multimode Fiber

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Multimode Fiber

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Multimode Fiber

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Multimode Fiber

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Single-mode Fiber

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Optical Media

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Signals and Noise in Optical Fibers

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Scattering

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Bending

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Fiber End Face Finishes

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Fiber End Face Polishing Techniques

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Splicing

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Calibrated Light Sources and Light Meter

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Wireless LAN Standards

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Internal Wireless NIC for Desktop or Server

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PCMCIA NIC for Laptop

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External USB Wireless NIC

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Access Point

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Wireless LAN

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Roaming

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IEEE 802.3 Wireless Frame Types

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Adaptive Frame Types

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Authentication and Association Types

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Radio Wave

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Modulation

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Omni Directional Antenna

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Wireless Security

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Question/Answer

Thank you