Key components

1. network devices

1.1. workstations

1.2. Servers

1.2.1. Print

1.2.2. Mail

1.2.3. File

1.2.4. Web

1.2.5. Proxy

1.3. NIC (Network Interface Card)

2. Interconnection Devices

2.1. Wireless Access Points

2.2. Switch

2.3. Wireless Access Point

2.4. Router

3. connectors and cabling

3.1. Leased line

3.2. Dedicated line

3.3. Media Types

3.3.1. STP

3.3.2. UTP

3.3.2.1. Category 5

3.3.3. Coaxil

3.3.4. Fibre Optic

3.4. Wireless

3.5. Mobile technology

3.6. Cable/Connection Standards

4. Software

4.1. network operating system

4.2. Virus Checker

4.3. Firewall

4.4. Email Clients

5. Commercial systems

5.1. MAC OSX

5.2. Linux

5.3. Windows