The answer is AWS AppConfig, AWS Secrets Manager, and AWS Systems Manager Parameter Store. These three services together provide a comprehensive solution for AWS configuration and secrets management in a microservices architecture. Secrets Manager handles sensitive data like database credentials with automatic rotation, Parameter Store offers a secure, hierarchical store for both configuration data and secrets with optional integration with AWS KMS, and AppConfig specifically manages application configuration by validating, deploying, and monitoring changes across your microservices. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this question tests your ability to distinguish purpose-built services from general-purpose storage—a common trap is selecting Amazon S3 or DynamoDB, which can store config files but lack native secret rotation, validation, or parameter-tiering features. Remember the memory tip: "Secrets rotate, Parameters store, AppConfig deploys"—each has a distinct job, and the exam expects you to pick the trio that natively handle both configuration and secrets without requiring custom code.
SAP-C02 Design for New Solutions Practice Question
This SAP-C02 practice question tests your understanding of design for new solutions. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 is designing a new cloud-native application on AWS. The application will use a microservices architecture and requires a way to manage configuration data and secrets. Which THREE AWS services can be used to meet these requirements? (Choose THREE.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AWS Secrets Manager
AWS Secrets Manager stores secrets with automatic rotation. AWS Systems Manager Parameter Store stores configuration data and secrets. AWS AppConfig manages application configuration. Option C (DynamoDB) is a database, not a configuration store. Option E (S3) can store config files but is not as integrated for secrets.
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.
✓
AWS Secrets Manager
Why this is correct
Stores and rotates secrets like database credentials.
Related concept
Static NAT maps one inside address to one outside address.
✓
AWS Systems Manager Parameter Store
Why this is correct
Stores configuration data and secrets (as SecureString) with hierarchical organization.
Related concept
Static NAT maps one inside address to one outside address.
✓
AWS AppConfig
Why this is correct
Manages application configuration and feature flags with validation and gradual rollout.
Related concept
Static NAT maps one inside address to one outside address.
✗
Amazon DynamoDB
Why it's wrong here
DynamoDB is a NoSQL database, not a configuration management service.
✗
Amazon S3
Why it's wrong here
S3 can store configuration files but does not provide native secrets management or parameter caching.
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 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.
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 for New Solutions — This question tests Design for New Solutions — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: AWS Secrets Manager — AWS Secrets Manager stores secrets with automatic rotation. AWS Systems Manager Parameter Store stores configuration data and secrets. AWS AppConfig manages application configuration. Option C (DynamoDB) is a database, not a configuration store. Option E (S3) can store config files but is not as integrated for secrets.
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.
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Question Discussion
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