Online Lab
There are very useful Labs for people that have no access to Routers & Switches & Pix preparing for the Cisco Exam. It has all the tutorial needed, and useful help for those that need help.
CCNA (640-802 OR 640-816 & 640-822) Online Lab
CCNA Routing&Switching Lab Kits
CCNP BSCI (642-901) Online Lab
CCNP BCMSN (642-812) Online Lab
CCNP ISCW (642-825) Online Lab
CCNP ONT (642-845) Online Lab