Computer Network

Computer-Network-Mind-Map
Types of Network
- local area network (LAN)
- wide area network (WAN)
- internet
- WAN technologies
- frame relay
- MPLS
- ATM
- Personal Area Network (PAN)
- logical and physical topologies
- Star
- Bus
- Ring
- Mesh
- Tree
- network access methods
- CSMA
- Token Passing
- network models
- OSI 7 Layer
- TCP/IP
Network Protocols and Standards Technologies
- TCP/IP
- AppleTalk
- UDP
- 802.2
- 802.3
- FDDI
- 802.5
- wireless technologies
- 802.11
- Infrared
- BlueTooth
- 3G
- factors affecting range and
speed of wireless
Application Layer Protocols
- DNS
- DHCP
- HTTP
- FTP
- SMTP
Key components
- network devices
- workstations
- Servers
- Print
- Mail
- File
- Web
- Proxy
- NIC (Network Interface Card)
- Interconnection Devices
- Wireless Access Points
- Switch
- Wireless Access Point
- Router
- connectors and cabling
- Leased line
- Dedicated line
- Media Types
- STP
- UTP
- Category 5
- Coaxil
- Fibre Optic
- Wireless
- Mobile technology
- Cable/Connection Standards
- Software
- network operating system
- Virus Checker
- Firewall
- Email Clients
- Commercial systems
- MAC OSX
- Linux
- Windows
Securing a System
- Passwords
- Authorisation Permissions
- Access Control Lists
- Backing Up & Restoring
- Encrypting
- Others
- Biometrics
- Physical Security
- CCTV
- Locks
- Firewalls
- Security Risk Levels
- Software Protection
- Anti-Virus
- Intrusion Detection Systems
Business risks
- Loss of service
- loss of business or income eg
through loss of customer
records;
- Loss of Service
- Loss of Confidentiality
- Compromised data integrity
- Security Issues
- Malware
- Viruses
- Trojans
- Worms
- Spyware
- Adware
Directory services
- account management
- authentication management
- active directory
- DNS
Telecommunication services
- communication
- email
- internet relay chat (IRC)
- discussion boards
- remote access
- via mobiles
- remote desktop
- social networking
File services
- File transfer
- file sharing
Application Services
- Application software
- Database
- Web
- Proxy
- Shared Resources
- Printing
- Storage Space
- Voice Over IP (VoIP)
- Authentication
- Users
- Hardware
- Mobile Working
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