Question 1 of 30
A financial services company is transitioning its data management to Oracle Autonomous Database Cloud. They need to ensure that their database instances can communicate securely with their on-premises applications while also allowing for external access for reporting purposes. Which network configuration strategy should they prioritize to achieve this balance?
Implement a Virtual Cloud Network (VCN) with both public and private subnets, ensuring that the database instances are in private subnets while using a NAT gateway for secure outbound internet access.
Configure all database instances in public subnets to facilitate direct access from both on-premises applications and external reporting tools without additional security measures.
Utilize a single subnet for all resources, allowing for simplified management but increasing the risk of unauthorized access to sensitive data.
Establish a VPN connection to the on-premises network and place all database instances in public subnets to enable seamless communication without additional configuration.

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