The answer is Amazon Aurora Global Database with MySQL compatibility because it is the only AWS-managed database solution that supports cross-region RDS MySQL disaster recovery with low RTO under one minute and minimal data loss. Aurora Global Database uses a dedicated, fast replication channel to keep one primary region and up to five secondary regions nearly synchronized, enabling failover in under a minute with typical data loss measured in milliseconds. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this question tests your understanding that standard RDS for MySQL cross-Region Read Replicas are asynchronous and can lose transactions, while Multi-AZ is confined to a single region. A common trap is assuming Multi-AZ or DMS can meet sub-minute RTO across regions; they cannot. Memory tip: think “Global Aurora, global failover” — if you need cross-region DR with RTO <1 minute, Aurora Global Database is the only native option.
SAP-C02 Practice Question: Design Solutions for Organizational Complexity
This SAP-C02 practice question tests your understanding of design solutions for organizational complexity. 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 global company has a multi-region AWS deployment. They need to share a single Amazon RDS for MySQL database across multiple AWS Regions for disaster recovery. The database must have minimal data loss and RTO of less than 1 minute. Which solution meets these requirements?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use Amazon Aurora Global Database with MySQL compatibility.
Option D is correct because Amazon RDS for MySQL does not support cross-Region synchronous replication; the best option is to use Amazon Aurora Global Database with MySQL compatibility, which provides fast replication and failover. Option A is wrong because cross-Region Read Replicas are asynchronous and may have data loss. Option B is wrong because Multi-AZ is single-Region. Option C is wrong because Database Migration Service is for migration, not continuous replication with low RTO.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Use cross-Region Read Replicas with automatic failover.
Why it's wrong here
Asynchronous replication may cause data loss.
✓
Use Amazon Aurora Global Database with MySQL compatibility.
Why this is correct
Aurora Global Database provides low-latency replication and fast failover across Regions.
Related concept
Static NAT maps one inside address to one outside address.
✗
Use a Multi-AZ RDS instance with a standby in another Region.
Why it's wrong here
Multi-AZ is only within one Region.
✗
Use AWS Database Migration Service for continuous replication.
Why it's wrong here
DMS is not designed for low-RTO failover.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SAP-C02 NAT questions on configuration and troubleshooting.
Design Solutions for Organizational Complexity — This question tests Design Solutions for Organizational Complexity — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use Amazon Aurora Global Database with MySQL compatibility. — Option D is correct because Amazon RDS for MySQL does not support cross-Region synchronous replication; the best option is to use Amazon Aurora Global Database with MySQL compatibility, which provides fast replication and failover. Option A is wrong because cross-Region Read Replicas are asynchronous and may have data loss. Option B is wrong because Multi-AZ is single-Region. Option C is wrong because Database Migration Service is for migration, not continuous replication with low RTO.
What should I do if I get this SAP-C02 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SAP-C02 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This SAP-C02 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 SAP-C02 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.