This Book Series is to help people learn Oracle Cloud Infrastructure. This is the third part in the series Unravel OCI . This book covers the following Virtual Cloud Networks - Subnets, Gateways, Security Lists, Route Tables etc. Compute - Instance Types, Shapes, Images, Create Instance, Instance Pools, Autoscaling, Maintenance Reboot etc. Governance - Audit, Tags ( Free Form Tags and Defined Tags), Service Limits, Quota Policies, Compartment Explorer The book also includes practice instructions that the reader can use to work on OCI to implement the concepts learned in this book. This book and the series can be used by those who want to learn Oracle Cloud Infrastructure and those who are interested in getting Certified as Oracle Cloud Infrastructure 2018 Architect Associate - 1Z0-1072 Exam.