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Computer Networks by Mind Map: Computer Networks
5.0 stars - 1 reviews range from 0 to 5

Computer Networks

Media

Utp

Cheap

100m

Cat, 5e, 6

Twisting stops Interference

Copper, 8 cores, RJ 45

Voltages

100m

Cat, 5e, 6

Twisting stops Interference

Copper, 8 cores, RJ 45

Voltages

Co-axil

300m

1 copper core, T connector, BNC

Bus

Needs terminated

300m

1 copper core, T connector, BNC

Bus

Needs terminated

Fibre optic

Fast

Secure

No interference

Fast

Secure

No interference

Applications

Email

Smtp

Pop3

FTP

Upload download files

Browser

HTTP, Port 80

HTTP, Port 80

Devices

Switch

Dedicate bandwidth

Dedicated bandwidth

Fast

Filter by MAC

Dedicated bandwidth

Fast

Filter by MAC

Dedicated bandwidth

Fast

Filter by MAC

Hub

Broadcast

Share bandwidth

Router

Ip addresses

Best path

Packet switchibpng

Best path

Packetswitchibg

Best path

Packet switchibpng

Best path

Packet switchibpng

Wireless access point

WiFi

WiFi

WiFi

Nic

Mac address, Hex, Hex, Hex, Hex

Access to media

Gateway device

WiFi Access point

Switch

Router

Modem

Modem

Broadband, Adsl, Cable

Dial up, Pstn, 56k

Gateway device

WiFi Access point

Switch

Router

Modem

Modem

Broadband, Adsl, Cable

Dial up, Pstn, 56k

Gateway device

WiFi Access point

Switch

Router

Modem

Modem

Broadband, Adsl, Cable

Dial up, Pstn, 56k

Gateway device

WiFi Access point

Switch

Router

Modem

Modem

Broadband, Adsl, Cable

Dial up, Pstn, 56k

Security

Firewall

Hardware, Edge of network

Software, On client

Filter traffic, In, Out, By port number

Hardware, Edge of network

Software, On client

Filter traffic, In, Out, By port number

Anti virus

On all clients

Up todate

Virus, Trojan horse, Worm

On all clients

Up todate

Virus, Trojan horse, Worm

Hacking

Sniffing

DoS

Spoofing

Hacking

Sniffing

DoS

Spoofing

Topologies

Bus

Broadcast

Ring

Token ring

Star

Central point, Switch /hub

Central point, Switch /hub

Central point, Switch /hub

Extended star

Most common

Most common

Most common

Mesh

Full

Partial

Types

LAN

Ethernet

Within building

Own all cables

Fast

Within building

Own all cables

Fast

Within building

Own all cables

Fast

Pan

Irda /Bluetooth

Short distance

Bluetooth

IrDA

PDA / printer / phone

Short distance

Bluetooth

IrDA

PDA / printer / phone

Short distance

Bluetooth

IrDA

PDA / printer / phone

Wan

Broadband

Large geographical location

3rd party line

Adsl

Expensive, Slowest

Large geographical location

3rd party line

Adsl

Expensive, Slowest

Large geographical location

3rd party line

Adsl

Expensive, Slowest

Man

Fibre Optic

Within a city

FO

Fast speeds

Own the cables

Within a city

FO

Fast speeds

Own the cables

Within a city

FO

Fast speeds

Own the cables

Protocols

Ip

Tcp

Udp

Ethernet