This post collects together a variety of VCP4-related posts from my blog since the launch of the exam back in 2009.
Studying for the VCP4 exam
Review of the VCP4 exam
Is the exam related to vSphere 4.0 or 4.1?
Gaining VCP4 and VCP5
Building a home lab
Exam preparation workshop
Training paths for VCP4
vSphere course suitability for VCP4 exam
Updating your certification
Is it worth doing vSphere 4 certifications?
Update your VCP4 to VCP5