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Computer Networks by Mind Map: Computer Networks
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Computer Networks

Types of Network

local area network (LAN)

wide area network (WAN)

internet

WAN technologies

Personal Area Network (PAN)

logical and physical topologies

network access methods

network models

Network Protocols and Standards Technologies

TCP/IP

AppleTalk

UDP

802.2

802.3

FDDI

802.5

wireless technologies

Application Layer Protocols

DNS

DHCP

HTTP

FTP

SMTP

Key components

network devices

Interconnection Devices

connectors and cabling

Software

Commercial systems

Directory services

account management

authentication management

active directory

DNS

Telecommunication services

communication

remote access

File services

File transfer

file sharing

Application Services

Application software

Proxy

Shared Resources

Voice Over IP (VoIP)

Authentication

Mobile Working

Securing a System

Passwords

Authorisation Permissions

Backing Up & Restoring

Encrypting

Others

Firewalls

Security Risk Levels

Software Protection

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