CCNA Cookbook. When you can explain it, THEN you know it.

Unofficial Cisco Certification Study Resources

CCENTCCNA Routing and SwitchingCCNP Routing and Switching
CCENT 100-105 ICND1 CCENT 100-105 ICND1
CCENT 200-105 ICND2

You should see steady improvements on the notes for the second of these two exams as I work my way through the latest version of the Cert Guide.

CCNP 300-101 ROUTE

These are next, following the CCNA R&S. Sorry, but my existing notes are just a little to old to post.

CCNA Collaboration
210-060 CICD Collaboration Devices
210-065 CIVND Collaboration Video Network Devices

I'm afraid you're on your own for the video exam for now. I'll be working on Route and Switch notes for CCNA and CCNP for awhile.