Chapter 0 Course Overview

© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 1Version 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


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


Reference

All Text Books of Cisco CCNA

Instructor Contact : Dr.Sukchatri PRASOMSUK

Building ICT, Room 1332

[email protected]

0804509105

mailto:[email protected]


Living in a Network Centric World

In the present


How Networks Impact Daily Life Explain the benefits of instantaneous communication

and how it supports and improves our lives


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


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

and collaborate improves teaching and learning


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

the way we work


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

the way we play


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



Describe the role of data networking in communications



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



Describe the role of converged networks in communications

– Converged network• A type of network that can carry voice, video & data over

the same network


Network Architecture Characteristics Explain four characteristics that are addressed by

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


Network Architecture Characteristics Describe how packet switching helps improve the

resiliency and fault tolerance of the Internet architecture


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

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


Network Architecture Characteristics Explain the factors that necessitate Quality of Service

and the mechanisms necessary to ensure it


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

work to ensure quality of service for applications that require it


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

a given type of traffic


Network Architecture Characteristics Describe why networks must be secure


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


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

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



Four fundamental network design goals:

Scalability

Availability

Security

Manageability


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


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



Steps in network design projects: Identify the network requirements Characterize the existing network Design the network topology and solutions


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

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


Cisco Packet Tracer


Summary


Chapter 1

Networking Fundamentalsand Networking Media


Objectives


Requirements for Internet Connection


PC Basics

AGP Expansion Slot

PCI Expansion Slots


Network Interface Cards


NIC and Modem Installation


High-Speed and Dialup Connectivity


TCP/IP Description and Configuration


Testing Connectivity with Ping


Web Browser and Plug-Ins


Troubleshooting Internet Connections


Binary Number System


Bits and Bytes


Base 10 Numbers


Base 2 (Binary) Numbers


Converting Decimal numbers to 8-bit Binary Numbers


Converting 8-bit Binary Numbers to Decimal Numbers


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


Hexadecimal


Boolean or Binary Logic


IP Addresses and Network Masks


Summary


Networking Fundamentals


Objectives


Data Networks


Network History


Network History continued


Networking Devices


Network Topology


Network Protocols


Local-area Networks (LANs)


Wide-area Networks (WANs)


Metropolitan-Area Network (MANs)


Storage-Area Networks (SANS)


Virtual Private Networks (VPNs)


Benefits of VPNs


Intranet and Extranet VPN


Importance of Bandwidth


Bandwidth Pipe Analogy


Bandwidth Highway Analogy


Bandwidth Measurements


Bandwidth Limitations


Bandwidth Throughput


Digital Transfer Calculation


Digital versus Analog


Using Layers to Analyze Problems


Using Layers to Describe Data Communication


OSI Model


OSI Layers


OSI Layers

• Provides connectivity and path selection between two host

• Provides Logical address

• No error correction, best effort delivery.


OSI Layers


Peer-to-Peer Communication


TCP/IP Model


Encapsulation


Names for Data at Each Layer


Summary


Networking Media


Objectives


Atoms and Electrons


Voltage


Resistance and Impedance


Current Flow


Circuits


Cable Specifications


Coaxial Cable


Shielded Twisted-Pair Cable


Unshielded Twisted Pair (UTP)


The Electromagnetic Spectrum


Ray Model of Light


Reflection


Refraction


Total Internal Reflection


Multimode Fiber


Single-mode Fiber


Optical Media


Signals and Noise in Optical Fibers


Scattering


Bending


Fiber End Face Finishes


Fiber End Face Polishing Techniques


Splicing


Calibrated Light Sources and Light Meter


Wireless LAN Standards


Internal Wireless NIC for Desktop or Server


PCMCIA NIC for Laptop


External USB Wireless NIC


Access Point


Wireless LAN


Roaming


IEEE 802.3 Wireless Frame Types


Adaptive Frame Types


Authentication and Association Types


Radio Wave


Modulation


Omni Directional Antenna


Wireless Security


Question/Answer

Thank you

Chapter 0 Course Overview

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