1Z0-997-26 Multicloud And Hybrid Practice Question
An organization is implementing a hybrid cloud topology where on-premises applications need to access OCI Autonomous Database privately. Which THREE OCI networking components or services are involved in this private connection architecture? (Choose THREE)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Dynamic Routing Gateway (DRG) for hybrid ingress/egress
Private hybrid access to Autonomous Database requires a Dynamic Routing Gateway (DRG) connected via FastConnect or VPN, a VCN, and a Service Gateway or Private Endpoint depending on whether it is Autonomous Database Dedicated/Shared (Shared uses Private Endpoints in the VCN, and hybrid traffic reaches them via DRG and VCN routing).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Dynamic Routing Gateway (DRG) for hybrid ingress/egress
Why this is correct
The DRG terminates the FastConnect or VPN connection from on-premises.
- ✗
OCI Internet Gateway for public IP resolution
Why it's wrong here
Private connections to ADB do not use Internet Gateways.
- ✗
OCI Email Delivery service for database alert routing
Why it's wrong here
Email Delivery is not a core networking component for database connectivity.
- ✓
Virtual Cloud Network (VCN) acting as the transit and hosting environment
Why this is correct
The VCN routes traffic between the DRG and the database private endpoints.
- ✓
Private Endpoints associated with the Autonomous Database instance
Why this is correct
Autonomous Database Private Endpoints place database IP addresses inside the VCN for private access.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Oracle exam blueprint
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