You are setting up a proof of concept (POC) and need to quickly establish a secure connection between an on-premises data center and Oracle Cloud Infrastructure (OCI). Which OCI service should you implement? 

Answer options:

A. Internet Gateway
B. VCN Peering
C. IPSec VPN
D. FastConnect

C

Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/Network/Tasks/settingupIPsec.htm