- A
Copy the EC2 instance with the Oracle database as an AMI to the DR Region.
Why wrong: AMI copy is not continuous replication.
- B
AWS Database Migration Service (DMS) with ongoing replication from the source Oracle database to a target Oracle database in the DR Region.
DMS supports continuous replication with low RPO.
- C
Amazon S3 Cross-Region Replication (CRR) to replicate database backups.
Why wrong: CRR replicates objects, not live database changes.
- D
Amazon RDS for Oracle Read Replicas in the DR Region.
Why wrong: Read Replicas are not cross-Region for Oracle.
Question 1,082 of 1,733
PAS-C01 Design of SAP Workloads on AWS Practice Question
This PAS-C01 practice question tests your understanding of design of sap workloads on aws. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company runs SAP ERP on AWS using an Oracle database. To meet disaster recovery requirements, they need to replicate the database to a second AWS Region with low RPO. Which AWS service should be used for continuous, asynchronous replication of the Oracle database?
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
✓
AWS Database Migration Service (DMS) with ongoing replication from the source Oracle database to a target Oracle database in the DR Region.
AWS Database Migration Service (DMS) with ongoing replication is the correct choice because it supports continuous, asynchronous change data capture (CDC) from an on-premises or EC2-hosted Oracle source to a target Oracle database in another AWS Region, achieving low RPO by replicating transactions in near real-time without requiring application downtime. This meets the DR requirement for cross-region replication of an Oracle database with minimal data loss.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Copy the EC2 instance with the Oracle database as an AMI to the DR Region.
Why it's wrong here
AMI copy is not continuous replication.
- ✓
AWS Database Migration Service (DMS) with ongoing replication from the source Oracle database to a target Oracle database in the DR Region.
Why this is correct
DMS supports continuous replication with low RPO.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Amazon S3 Cross-Region Replication (CRR) to replicate database backups.
Why it's wrong here
CRR replicates objects, not live database changes.
- ✗
Amazon RDS for Oracle Read Replicas in the DR Region.
Why it's wrong here
Read Replicas are not cross-Region for Oracle.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse cross-region read replicas (which do not exist for Oracle RDS) with cross-region replication capabilities, or mistakenly think that S3 CRR can replicate live database changes, when in fact it only replicates static objects like backup files.
Detailed technical explanation
How to think about this question
AWS DMS uses a source Oracle LogMiner or binary reader to capture redo logs for CDC, applying changes to the target Oracle database with minimal latency, typically within seconds. The ongoing replication task can be configured to use a full load plus CDC mode, ensuring that initial data is migrated and then continuous changes are streamed, which is critical for SAP ERP systems where transaction consistency and low RPO are paramount. In real-world scenarios, DMS can handle Oracle-specific data types and LOBs, but requires supplemental logging to be enabled on the source for CDC to function correctly.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Design of SAP Workloads on AWS — This question tests Design of SAP Workloads on AWS — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS Database Migration Service (DMS) with ongoing replication from the source Oracle database to a target Oracle database in the DR Region. — AWS Database Migration Service (DMS) with ongoing replication is the correct choice because it supports continuous, asynchronous change data capture (CDC) from an on-premises or EC2-hosted Oracle source to a target Oracle database in another AWS Region, achieving low RPO by replicating transactions in near real-time without requiring application downtime. This meets the DR requirement for cross-region replication of an Oracle database with minimal data loss.
What should I do if I get this PAS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.
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