1. COMMUNICATION CHANNELS
1.1. PHYSICAL CONNECTIONS - USE SOLID MEDIUM TO CONNECT SENDING & RECEIVING DEVICES
1.2. WIRELESS CONNECTION - USE RADIO WAVES
1.2.1. BLUETOOTH
1.2.2. Wi-Fi
1.2.3. MICROWAVE
1.2.4. WiMax
1.2.5. LTE
1.2.6. SATELLITE
1.2.7. INFRARED
2. CONNECTION DEVICES
2.1. ANALOG/DIGITAL SIGNALS
2.2. MODEM (MODULATE&DEMODULATE)
2.2.1. DSL
2.2.2. CABLE
2.2.3. WIRELESS
2.3. CONNECTION SERVICES
3. DATA TRANSMISSION
3.1. BANDWIDTH - MEASURES A COMMUNICATION CHANNEL'S WIDTH/CAPACITY
3.1.1. VOICEBAND(LOW)
3.1.2. MEDIUM
3.1.3. BROADBAND
3.1.4. BASEBAND
3.2. USE HIGH-FREQ WAVES TO TRANSMIT SIGNALS
4. NETWORKS
4.1. CONNECT 2 OR MORE COMPUTERS
5. COMMUNICATIONS
5.1. PROCESS OF SHARING DATA
5.2. CONNECTIVITY - USE COMPUTER NETWORKS TO LINK PEOPLE & RESOURCES
5.3. COMMUNICATION SYSTEMS - TRANSMIT DATA TO OTHER LOCATION
5.3.1. SENDING & RECEIVING DEVICES
5.3.2. CONNECTION DEVICES
5.3.3. DATA TRANSMISSION SPECIFICATION
5.3.4. COMMUNICATION CHANNEL
6. NETWORK TYPES
6.1. LAN
6.2. HOME
6.3. WLAN
6.4. PAN
6.5. MAN
6.6. WAN
7. NETWORK STRATEGIES
7.1. CLIENT/SERVER
7.1.1. CENTRAL COMPUTER COORDINATE & SUPPLY SERVICES TO OTHER NODES ON THE NETWORK
7.1.2. SERVER PROVIDES ACCESS
7.1.3. WIDELY USED ON THE INTERNET
7.2. P2P
7.2.1. ALL NODES HAS EQUAL AUTHORITY
7.2.2. CAN ACT AS BOTH CLIENT AND SERVER
8. ORGANIZATIONAL NETWORKS
8.1. INTERNET TECHNOLOGIES
8.1.1. INTRANET - PRIVATE NETWORK
8.1.2. EXTRANET - MORE THAN ONE ORG.
8.2. NETWORK SECURITY
8.2.1. FIREWALL - ALL COMMUNICATION PASS THROUGH PROXY SERVER
8.2.2. INTRUSION DETECTION SYSTEM (IDS) - USE SOPHISTICATED STATISTICAL TECHNIQUES TO RECOGNIZE & DISABLE NETWORK ATTACKS
8.2.3. VIRTUAL PRIVATE NETWORK (VPN) - CREATE SECURE PRIVATE CONNECTION