About the Authors

John A. Davis, now a product architect at Rackspace, became a VMware Certified Instructor (VCI) and VMware Certified Professional (VCP) in 2004. Since then, all of his work has been completely focused on VMware-based technologies. He has experience in teaching official VMware curriculum in five countries and delivering VMware professional services throughout the United States. Recently, his work has involved designing solutions based on vRealize Operations and Site Recovery Manager. He has authored several white papers and co-authored the VCAP5-DCA Cert Guide (VMware Press). He holds several advanced certifications, including VCAP5-DCA, VCAP5-DCD, VCAP5-DTD, VCAP5-CID, and VCIX-NV. He has been a vExpert since 2014. He is author ...

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