Essentials of the Internet, Intranets, and Extranets

Overview

This course introduces the basic concepts, principles, and terminology used in data communication networks. It explains the features and operations of Local Area Networks, Wide Area Networks, the Internet, and intranets.

Course Outline

Lesson 1: Introducing Communication Technologies

The Internet
Internet Service Providers
Internet Governance
History of the Internet

Digital and Analog Communication
Analog Communication
DigitalCommunication
Digital/Analog Conversion

Modems
Modem Communication
Fax Modem
Cable Modem

Exercise 1: Using Windows 95's HyperTerminal to Connect to a Remote Computer

Lesson 2: Understanding Protocol Architectures

Protocol Architectures

OSI Reference Model
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
Data Link Layer
Physical Layer

The Internet Protocol Architecture
TCP/IP Applications
The TCP/IP and the OSI model
Communication using TCP/IP

Open Standards

Lesson 3: Understanding Networks

Networks
Local Area Networks
Wide AreaNetworks
Telephone Networks

Circuit Switching

Packet Switching
Datagram
VirtualCircuit
Reliable PacketSwitching
Unreliable PacketSwitching

Switched Data Networks
X.25
ISDN
Frame Relay
Asynchronous Transfer Mode

Exercise 2: Connecting a Laptop to a Desktop

Lesson 4: Understanding Local Area Networks

Local Area Networks

The OSI Model for LAN Architectures

Ethernet
Access Methodology
LogicalTopology
Physical Topology
MediaChoices in Ethernet
SwitchedEthernetHubs
Fast Ethernet
GigabitEthernet

Token-Ring
Access Methodology
LogicalTopology
Physical Topology
MediaChoice

Lesson 5: Connecting Separate Networks

The OSI Model and Internetworking Technologies

Repeaters

Bridges

Routers

Gateways

Exercise 3: Set up a Peer-to-Peer LAN in Windows 95

Lesson 6: Understanding the World Wide Web

The World Wide Web
Client/Server Operations on the Web

World Wide Web Protocols and Hypertext
Transfer Protocol (HTTP)
Uniform Resource Locator (URL)
Internet Computer Names and Addresses
MIME Type Messages
Hypertext Markup Language (HTML)

Types of Web Documents

Common Gateway Interface (CGI)

Lesson 7: Understanding Intranets, Extranets, and Their Security

Intranet

Extranet

Network Security Security Goals
Vulnerability, Threat and Safeguard
Technologies for Network Security
Encryption
Virtual Secure Private Networks (VSPN)

Lesson 8: Agents, Channels, and Search Engines

Search Engines
History of Search Engines
Uses of Search Engines
Evaluation of Search Engines
Characteristics of Search Engines

Push Technology Channels

Agents
Information Retrieval Agents
Mobile Agents

Note: All web based training courses are Y2K (Year 2000) compliant.