Requirements: HA and redundancy for on-premises-to-OCI connectivity.
Option A: Single FastConnect lacks redundancy—incorrect.
Option B: Single VPN over internet has no redundancy and poor performance—incorrect.
Option C: Dual FastConnect with diverse paths ensures HA and redundancy via separate routes—correct.
Option D: Internet Gateway with public IPs isn’t dedicated or redundant—incorrect.
Conclusion: Option C is the recommended approach.
Oracle advises:
"For high availability, use dual FastConnect connections with diverse paths to eliminate single points of failure in hybrid connectivity."This supports Option C. Reference:FastConnect High Availability - Oracle Help Center(docs.oracle.com/en-us/iaas/Content/Network/Tasks/fastconnect.htm#ha).
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