# 1. Computer Network

Computer Network

* Service
* Size
  * Small Home Network
  * SOHO
  * Medium
  * Enterprise
  * World Wide
* Architecture
  * Client/Server
  * Peer-To-Peer
* Device
  * End Device
  * Intermediary Device
  * Network Media
    * Wired
    * Wireless
* Documentation
  * Physical Topology
  * Logical Topology
* Type
  * Local Area Network (LAN)
  * Wide Area Network (WAN)
  * Wireless LAN
* Coverage
  * Intranet
  * Extranet
  * Internet
* Internet Connection
  * Home
    * Cable
    * DSL
    * Cellular
    * Satellite
    * Dial Up Telephone
  * Business
    * Leased Line
    * Metro Ethernet
    * Business DSL
* Characteristics of network architecture&#x20;
  * Fault Tolerance
  * Scalability
  * Quality of Service (QoS)
  * Security
    * Confidentiality
    * Integrity
    * Availability
* Network Trend
  * BYOD
  * Collaboration
  * Conferencing
  * Cloud
  * Smart Home
  * Powerline Networking
* Network Threat
  * Virus
  * Spyware
  * Zero-day attack
  * DOS
  * Data Interception & Theft
* Network Security Component
  * Antivirus
  * Firewall
  * Intrusion Prevention System
  * VPN
