Cat 1 - voice only, household station cable.
Cat 2 - voice only, high-pair count feeder cable.
Cat 3 - voice or 10baseT data levels, available in 4-pair for workstation cabling or in high-pair count for feeders.
Cat 4 - voice or 10baseT data levels, no longer produced.
Cat 5 - voice or 100baseT data levels, available in 4-pair for workstation cabling or in a high-pair count for feeders (the one most often used in home network environments).
Cat 5e - enhanced Category 5 performance, normally only available in 4-pair workstation cable [the one I use on my home network, for less data collisions].
Cat 6 - gigahertz level data transmission (1000baseT),
If you want to know, run command prompt by START-RUN and type CMD and press ENTER
Then execute IPCONFIG /DISPLAYDNS, if you want to refresh the dns cache because you are using new internet connection or other thing execute IPCONFIG /FLUSHDNS
To show the windows task manager, press CTRL+SHIFT+ESC, this is useful when you need to kill or end some application that went hang
If you prefer a syntax to type on run or for creating a shortcut use START-RUN type TASKMGR and press ENTER
Sometime old application that still using 16 bit coding will freeze windows, search for WOWEXEC in task manager to find whether a 16 bit applications are running
When I need to set some DHCP setting, I need to find information about my network card’s MAC Address, here is maybe a simpler way.
Open command prompt by running START-RUN type CMD and press ENTER
Then run syntax : ipconfig /all
I have a sudden error in my windows XP and need some checkfor all driver installed, there is an application for this, to run it simply press START-RUN then type VERIFIER then press ENTER
Choose what you want to do and Do verify the result.