A network architect is designing a policy where database applications access the internet directly, while...

B (Cloud OnRamp for IaaS):This allows certain applications to have direct optimized access to public cloud resources while other enterprise traffic remains centralized. OnRamp for IaaS provides dynamic path selection and policy control based on application behavior and performance.

Other options explained:

A: MPLS L3VPN does not offer cloud-optimized direct access.

C: SaaS OnRamp is for SaaS applications, not IaaS workloads.

D: Direct Connect links to the cloud but lacks policy-driven traffic engineering.