This Book Series is to help people learn Oracle Cloud Infrastructure. This is the Sixth and Last part in the series Unravel OCI for Exam 1Z0-1072 Preparation . This book covers the following Advanced VCN Concepts - VCN Peering (Local and Remote), DRG , IPSec VPN connectivity and Fastconnect Load Balancer - Implementing a Public and Private Load Balancer DNS and Edge Services - OCI DNS, Web Application Firewall, Health Checks and Traffic Management Encryption Key Management - Vault and Key management 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