ANKI For those of you studying, you may find flash cards are a helpful tool. This free solution gives most paid versions a good run for there money. And if you do decide to use it you can find my CCNP SWITCH pack with in the downloadable packs.
CBT Nuggets As if you need to ask what this site is about… If you don’t know CBT provide what I would argue if the best set of IT training videos you will find.
Stackoverflow (Scripting/Prog Forums) One of the best Programming and Script resources on the net. Some of the leading programmes in the business post to there forums and it is full of thousands of helpful people ready to answer your questions.
Techexams A great IT forum and resources for people studying for certifications in IT
Tera Term A Telnet and SSH client (my personal Favourite)
Wire Shark If you want to know about trouble shooting network, you could do a lot worse than get hold of wire shark. Not only is this an invaluable tool, but the documentation on there site is unmatchable