SAP-C02 Practice Question 100: RDS Custom Oracle Legacy Application

AWS Certified Solutions Architect – Professional (SAP-C02) · Test 10 · question 10 of 10

Migration and Modernizationhard

A company runs a packaged enterprise application on a self-managed Oracle database on-premises. The vendor supports the application only when the database host has a specific third-party agent installed, a set of custom operating system packages, and a particular Oracle patch level that the company controls. The company must leave its data center quickly and wants AWS to automate backups, point-in-time recovery, monitoring and host replacement, but it cannot change the application or its database engine.

Which solution meets these requirements?

Show answer and explanation

Answer:

C. Migrate to Amazon RDS Custom for Oracle

Amazon RDS Custom is *"a managed database service for legacy, custom, and packaged applications that require access to the underlying operating system and database environment."* It *"automates setup, operation, and scaling of databases in the AWS Cloud while granting you access to the database and underlying operating system,"* so you can *"install custom patches"* and third-party software, while it still automates *"automated backups and point-in-time recovery"*, monitors the instance, and replaces an impaired host. It supports the Oracle Database engine, and you keep control of which Oracle patches to use (option C). Under the shared responsibility model, you are responsible for making sure that your customizations work.

- A is wrong because RDS for Oracle does not give access to the underlying host. AWS notes that it *"doesn't let you access the underlying host,"* so the agent and OS packages cannot be installed. - B is wrong because changing the engine means changing the packaged application, which the vendor does not support and the company cannot do. - D is wrong because self-managing Oracle on EC2 gives the required access but leaves backups, point-in-time recovery, monitoring and host replacement to the company, which it wants AWS to automate.

Reference: Amazon RDS Custom

Practice Test 10 ›

Study guides for SAP-C02

Which AWS certification should you get? 2026 roadmapWhich AWS certification to get first, by role and experience, with each exam's status in October 2026, what is changing, and prices in USD and INR.

SAP-C02 vs SAP-C03, the Solutions Architect Professional updateWhat changes when AWS replaces SAP-C02 with SAP-C03, the key dates, who should still sit SAP-C02, and how to study through the switch without wasted work.

AWS disaster recovery strategies, RTO and RPOBackup and restore, pilot light, warm standby and active/active on AWS, how RTO and RPO pick between them, and the services each strategy uses.

IAM users, roles and policies on AWSHow IAM users, roles, identity-based and resource-based policies, cross-account access, SCPs and permissions boundaries fit together for AWS exams.

SQS vs SNS vs EventBridge on AWSWhen to use an SQS queue, an SNS topic or an EventBridge bus, plus fan-out, FIFO ordering, visibility timeouts and dead-letter queues for AWS exams.

VPC endpoints vs NAT gateways on AWSWhen to use gateway endpoints, interface endpoints (PrivateLink) or a NAT gateway for private subnets, and the cost and security trade-offs exams test.