You have been asked to set up connectivity between a client`s on-premises network and Oracle Cloud Infrastructure (OCI). The requirements are: ✑ Low latency: The applications are financial and require low latency connectivity into OCI. ✑ Consistency: The application isn`t tolerant of performance variation. ✑ Performance: The communications link needs to support up to 1.25 Gbps. ✑ Encryption: The communications link needs to encrypt any data in transit between the on-premises network and OCI Virtual Cloud Network (VCN). The client wants to implement the above with as low a cost as possible, while meeting all of the requirements. What should you suggest? (Choose the best answer.) 

Answer options:

A. Provision FastConnect with a single private virtual circuit, and run an IPsec VPN tunnel over the top of this virtual circuit.
B. Provision FastConnect with a single public virtual circuit.
C. Provision a site-to-site IPsec VPN between your on-premises network and your virtual cloud network (VCN) using VPN Connect.
D. Provision FastConnect with a single private virtual circuit.
E. Provision FastConnect with a single public virtual circuit, and run an IPsec VPN tunnel over the top of this virtual circuit.

D

Reference: https://docs.oracle.com/en-us/iaas/Content/Network/Concepts/fastconnectoverview.htm