Question 1mediummulti select
Full question →mediummulti selectObjective-mapped
A company runs a customer portal on self-managed PostgreSQL on EC2, plus a self-managed RabbitMQ cluster for asynchronous work that only requires durable queueing and does not depend on RabbitMQ-specific exchange features. The operations team spends a lot of time patching, backing up, and scaling both systems. The business wants to reduce infrastructure management overhead and total cost of ownership. Which two changes are the best fit? Select two.
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Migrate PostgreSQL to Amazon RDS for PostgreSQL.
Amazon RDS removes much of the undifferentiated heavy lifting for backups, patching, and high availability management. For a standard relational database workload, RDS usually lowers operational effort and total cost of ownership compared with a self-managed PostgreSQL deployment on EC2.
B
Best answer
Replace RabbitMQ with Amazon SQS for asynchronous message handling.
If the workload only needs durable queueing and decoupling, Amazon SQS is a simpler and less expensive managed service than a self-managed RabbitMQ cluster. SQS eliminates broker patching, capacity planning, and cluster maintenance, which is exactly the kind of operational overhead the scenario wants to reduce.
C
Distractor review
Move PostgreSQL to Amazon DynamoDB without redesigning the application.
DynamoDB is a different database model and is not a drop-in replacement for PostgreSQL. Using it would require significant application and data-model changes, so it does not fit the goal of a low-friction cost and operations improvement.
D
Distractor review
Replace RabbitMQ with another EC2-based broker cluster for more control.
This keeps the same operational burden because the team still has to patch, back up, and scale the broker infrastructure. More control is not the same as lower cost or lower management overhead.
E
Distractor review
Keep the same design and increase instance sizes to simplify maintenance.
Larger instances may temporarily reduce tuning pressure, but they do not remove the operational work of managing a database and broker. The scenario is about reducing self-managed infrastructure overhead, not only increasing raw capacity.
Common exam trap
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.
Technical deep dive
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.
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FAQ
Questions learners often ask
What does this SAA-C03 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Migrate PostgreSQL to Amazon RDS for PostgreSQL. — The best-fit changes are to move PostgreSQL to Amazon RDS for PostgreSQL and to replace the self-managed RabbitMQ cluster with Amazon SQS because the queue only needs durable messaging. RDS reduces database administration work, and SQS removes broker management entirely. Together they lower both direct infrastructure effort and the hidden cost of maintaining self-managed services. DynamoDB is not a drop-in replacement for PostgreSQL. Another EC2 broker cluster preserves the same maintenance burden. Simply increasing instance sizes does not address the main cost driver, which is operational overhead. The correct answer uses managed services that match the workload needs and eliminate the most expensive admin tasks.
What should I do if I get this SAA-C03 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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