What resource offers a private connection to your on-premises data center in OCI?

FastConnect is the correct choice because it provides a dedicated, high-speed, and low-latency connection between your on-premises data center and Oracle Cloud Infrastructure (OCI). This service allows enterprises to extend their data centers into the cloud in a secure and private manner, ensuring that data transfer is not conducted over the public internet.

Unlike alternatives, such as Site-to-Site VPN, which operates over the internet and may not provide the same level of performance or reliability, FastConnect offers a more robust solution for businesses that need consistent and predictable network performance. It enables direct connectivity options, such as connecting to the Oracle Cloud via a partner's network or through an Oracle-managed connection, which helps facilitate seamless integration with a company's existing network infrastructure.

While Local Peering Gateway is useful for connecting different Virtual Cloud Networks (VCNs) within the same region, it does not address connections between on-premises data centers and OCI. Similarly, Direct Connect is a term more commonly associated with AWS services that provides dedicated network connections but does not specifically pertain to OCI's offerings.

Overall, FastConnect is specifically designed for establishing private connections to OCI, making it the most suitable resource for this purpose.