Introduction To Computer Network

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Introduction To Computer Network by Mind Map: Introduction To Computer Network

1. 1.1 : Implement the basic concept of Computer Networks

1.1. What is Network?

1.1.1. Combination of ; Computer Hardware Cabling Network devices Computer sofware

1.1.2. Goal ; Allow computers to communicate EXAMPLE ;

1.2. Advantages

1.2.1. Data exhanges

1.2.2. Hardware and Software resource sharing

1.2.3. Data security

1.2.4. Increased Communication Capabilities

1.3. Types of Network

1.3.1. Peer2Peer SINGLE computer/node CONNECTED to SINGLE computer/node Advantages Less initial expense Setup Disadvantages Decentralized Security

1.3.2. Cilent Server MULTIPLE computer/device CONNECTED to a SERVER Advantages Centralized Security Accessibility Disadvantages Expense Maintenance Dependence Element Client Server NIC Backbone Segment NOS TOPOLOGY Transmission media


1.4.1. L.A.N Simple connection-limited area size Single-building LAN Multiple-building LAN

1.4.2. M.A.N Connection over the city Ipoh net to Kajang net

1.4.3. W.A.N Large size area - over the world MY net to JP net

2. 1.3 : Create LAN using Networking Devices

2.1. LAN conectivity Hardware

2.1.1. Router

2.1.2. Switch

2.1.3. Wireless Access Point

2.1.4. Bridge

2.1.5. Mobile Base Stations

2.2. Types of Network Interface Card (NIC)

2.2.1. PCI NIC

2.2.2. PCI Express NIC

2.2.3. PCMCIA Adapter

2.2.4. USB Port

2.2.5. Firewire

2.2.6. Compact Flash NIC

2.2.7. On-Board NIC

2.2.8. Wireless NIC

2.3. Data Transmission Mode

2.3.1. Simplex data flow only in one direction

2.3.2. Half-duplex data can flow in either direction

2.3.3. Full-duplex data can flow in both directions

2.4. Virtual Local Area Network (VLAN)

2.4.1. connected to the same wire

2.4.2. Advantages Ease to administration Broadcast Control Reduced Cost

3. 1.2 : Principles Of Communication in Networking

3.1. Data Elements

3.1.1. Message Information to be communicate

3.1.2. Sender Device that send the messages

3.1.3. Receiver Receives the message

3.1.4. Protocol Set of rules that govern data communication

3.1.5. Medium Physical path from sender to receiver

3.2. Communication Devices

3.2.1. Wired Communication Ethernet Transmission of data over a wire-based

3.2.2. Wireless Communication Information between two or more point that not connected by electrical conductor

3.3. Electronic Communication Methods

3.3.1. Fax

3.3.2. Email

3.3.3. Instant messenger

3.3.4. Telephone/Mobiles

3.3.5. Video Conferencing

3.3.6. Intranet

3.3.7. Chat/IRC

3.4. Transmission Media

3.4.1. Guided Media Twisted-pair cable Unshielded Twisted-Pair (UTP) Shielded Twisted-Pair (STP) Coaxial cable Fiber optic cable

3.4.2. Unguided Media : Wireless Transport electromagnetic waves without using a physical conductor