Quick Answer
The answer is Amazon S3 for images and Amazon OpenSearch Service for full-text search. S3 is the correct choice for storing binary files like images because it is purpose-built for object storage at any scale, offering durability and low cost, while OpenSearch Service provides native full-text indexing and search capabilities essential for text-heavy articles. On the AWS Certified Database Specialty DBS-C01 exam, this scenario tests your ability to match workload characteristics to specialized services rather than forcing everything into a single database; a common trap is selecting Amazon RDS, which can store both text and images but lacks optimized full-text search and is inefficient for binary blobs. Remember that DynamoDB lacks native full-text search and ElastiCache is only a cache, not a primary store. Memory tip: think of the workload as three distinct layers—search goes to OpenSearch, binary objects to S3, and relational comments to RDS—so when you see “full-text search” and “image storage” together, immediately pair OpenSearch with S3.
This DBS-C01 practice question tests your understanding of workload-specific database design. 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 is building a content management system that stores articles, images, and user comments. Articles are text-heavy and need full-text search. Images are binary files. Comments are relational with user IDs. Which TWO AWS services should be combined to best support this workload?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Amazon ElastiCache for Redis for caching
Why wrong: Not a primary data store.
Amazon DynamoDB for articles and comments
Why wrong: No native full-text search.
Amazon OpenSearch Service for full-text search
Provides powerful search capabilities.
Amazon RDS for MySQL for articles and comments
Why wrong: Can store but not optimal for search and binary.
Amazon S3 for images
Scalable object storage for binary files.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Amazon OpenSearch Service for full-text search
Amazon S3 is ideal for storing images (binary objects). Amazon OpenSearch Service provides full-text search capabilities for articles. Option C (RDS) is wrong because while it can store text and images, it is not optimal for search or binary storage. Option D (DynamoDB) is wrong because it does not support full-text search natively. Option E (ElastiCache) is wrong because it is a cache, not a primary store.
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
For each option: why learners choose it and why it is or isn't the right answer here.
Amazon ElastiCache for Redis for caching
Why it's wrong here
Not a primary data store.
Amazon DynamoDB for articles and comments
Why it's wrong here
No native full-text search.
Amazon OpenSearch Service for full-text search
Why this is correct
Provides powerful search capabilities.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
Amazon RDS for MySQL for articles and comments
Why it's wrong here
Can store but not optimal for search and binary.
Amazon S3 for images
Why this is correct
Scalable object storage for binary files.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
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
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.
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
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
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 DBS-C01 NAT questions on configuration and troubleshooting.
Workload-Specific Database Design — study guide chapter
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FAQ
Workload-Specific Database Design — This question tests Workload-Specific Database Design — Static NAT maps one inside address to one outside address..
The correct answer is: Amazon OpenSearch Service for full-text search — Amazon S3 is ideal for storing images (binary objects). Amazon OpenSearch Service provides full-text search capabilities for articles. Option C (RDS) is wrong because while it can store text and images, it is not optimal for search or binary storage. Option D (DynamoDB) is wrong because it does not support full-text search natively. Option E (ElastiCache) is wrong because it is a cache, not a primary store.
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 DBS-C01 NAT questions on configuration and troubleshooting.
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
This DBS-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 DBS-C01 exam.
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