Monday, July 17, 2006

A beginners guide to basic networking - 100% free!

A beginners guide to basic networking - 100% free!

This guide covers some of the essential parts when talking networking. The guide is intended for people who have not understood basic networking completely yet - MCP, Network+ or MCDST level I would say.

I have tried to keep it a bit fun to read... I hope you will enjoy it :-)

Get it here: http://www.heidelbergit.dk/Artikler/BasicNetworking.pdf

The subjects covers the following and some more:
The IP protocol (version 4 only)
IP address (what about those 32 bits?)
Subnet masks (what does 255.255.255.0 really mean?)
Default gateway (where to go?)
MAC (Media Access Control) or the physical address (what about those 48 bits?)
ARP (Address Resolution Protocol) and RARP (Reverse ARP) functions
Routers (what do they do?)
Network communication in general
Basic commands (GETMAC, ARP, IPCONFIG & PING)
Subnetting (hosts, classes, reserved & private ranges etc.)
NAT (Network Address Translation)
Troubleshooting (loopback/localhost etc.)
Dynamic Host Configuration Protocol (DHCP)
Automatic Private IP Addressing (APIPA)
The Alternate Configuration in Windows XP
TCP = Transmission Control Protocol (connection-oriented)
UDP = User Datagram Protocol (connectionless)
TCP & UDP ports (well-known ports & registered ports)

Name resolution technologies like:
- DNS (Domain Name System)
- HOSTS & LMHOSTS files
- WINS
- FQDN (Fully Qualified Domain Name)

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