• Home
• History of Networking
• Why set up a Network?
• OSI Model

• Connecting up
• Protocols
• Technology
• Types of Networks

• Topologies
• Issues
• Design Factors
• Economic effects

home

• Homepage
• Credits
• Copyright
• WWW links
• System Requirements

history

1. history of data communications
2. history of networking
3. history of the internet

why network?

Communications

1. Email
2. Online chat
3. Videoconferencing
4. Browse the net

Sharing information

1. File sharing
2. Intranet
3. Group Calendaring
4. World Wide Web
5. FTP
6. Virtual private networks

Sharing equipment

1. Sharing Hardware
2. Sharing Software

Sharing resources and services

1. File saving
2. Backups
3. Virus scanning
4. Help using remote control
5. Software deployment
6. Internet provision
7. DHCP

osi model

Overview of OSI

1. The 7 OSI layers
2. Basic network problems
3. Network Packets
4. Packet Handling
     - Ethernet, and CSMA/CD
     - Token Ring
     - ATM
   

Addressing

1. Network addresses
2. IP addressing
     - Subnet Masks
3. Uniform Resource Locators (URLs)
4. Email addresses
5. MAC addresses
6. Registering and hosting domains

connecting up

1. Telephony
2. 10Base-2 Coax BNC
3. 10Base-T Cat5 RJ45
4. Optical Technologies
5. Wireless
6. ADSL

technologies

• Network Interface Cards
• Hubs
• Switches
• Bridge
• Routers
• Servers
• Print Servers

network types

Size

1. Local Area Network (LAN)
2. Wide Area Network (WAN)
3. Metropolitan Area Network (MAN)
4. The Internet

Function

1. File serving
2. Application serving / thin client
3. Peer-to-peer
4. Distributed Peer-to-peer
5. Client-server

Network Operating Systems

1. Netware/NT Technology
2. Microsoft Windows
3. Linux

topologies

• Bus
• Star
• Ring
• Tree
• Mesh

issues

Security

1. Passwords
2. Biometrics
3. Physical security
4. Backups
5. Disaster prevention & management
6. Antivirus software
7. Encryption
8. Firewalls

Privacy

1. Privacy legislation

Ethics

1. Legal Implications
2. Publishing responsibilities
3. Harassment/Equal Opportunity

Network Advantages

1. Servicing Work stations
2. Software/Data Maintenance
3. Security Levels
4. Communications

Network Dangers

1. Freeloaders
2. Hackers
3. Viruses

design factors

1. Compatibility of components
2. Bandwidth
3. Ability to produce required information
4. Cost
5. Need to secure confidential information

economic effects

1. Individuals are able to work from home reducing travelling costs
2. May need new skills which may incur training costs
3. Sharing of data may speed up decision making in an organisation
4. Sharing of resources may reduce running costs in an organisation
5. Implementing and maintaining a network is an expensive option
6. Cost of down-time when network fails