- A
Use Amazon DynamoDB with on-demand capacity.
DynamoDB is a fully managed NoSQL database with high availability.
- B
Use an EC2 instance store for each instance.
Why wrong: Instance store is ephemeral and not shared.
- C
Use Amazon EBS snapshots shared across instances.
Why wrong: EBS cannot be shared across instances.
- D
Use Amazon ElastiCache for Redis with replication.
ElastiCache for Redis is a scalable, highly available in-memory store.
- E
Use Amazon RDS for MySQL with Multi-AZ.
Why wrong: RDS is not designed for session state storage.
Question 358 of 1,746
SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
This SAP-C02 practice question tests your understanding of accelerate workload migration and modernization. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 migrating a web application to AWS and wants to use a multi-tier architecture with an Auto Scaling group of EC2 instances behind an Application Load Balancer. The company needs to store session state for the application. Which TWO approaches should the company use to store session state in a scalable and highly available manner? (Choose TWO.)
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
✓
Use Amazon DynamoDB with on-demand capacity.
Options A and D are correct because ElastiCache for Redis and DynamoDB are both highly available and scalable solutions for session state. Option B is wrong because instance store is ephemeral and data is lost if the instance stops or terminates. Option C is wrong because EBS snapshots are point-in-time backups and cannot be used for real-time session state sharing. Option E is wrong because RDS is a relational database not optimized for session state storage.
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.
- ✓
Use Amazon DynamoDB with on-demand capacity.
Why this is correct
DynamoDB is a fully managed NoSQL database with high availability.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use an EC2 instance store for each instance.
Why it's wrong here
Instance store is ephemeral and not shared.
- ✗
Use Amazon EBS snapshots shared across instances.
Why it's wrong here
EBS cannot be shared across instances.
- ✓
Use Amazon ElastiCache for Redis with replication.
Why this is correct
ElastiCache for Redis is a scalable, highly available in-memory store.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use Amazon RDS for MySQL with Multi-AZ.
Why it's wrong here
RDS is not designed for session state storage.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
Identify which SAP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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Accelerate Workload Migration and Modernization — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use Amazon DynamoDB with on-demand capacity. — Options A and D are correct because ElastiCache for Redis and DynamoDB are both highly available and scalable solutions for session state. Option B is wrong because instance store is ephemeral and data is lost if the instance stops or terminates. Option C is wrong because EBS snapshots are point-in-time backups and cannot be used for real-time session state sharing. Option E is wrong because RDS is a relational database not optimized for session state storage.
What should I do if I get this SAP-C02 question wrong?
Identify which SAP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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 →
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Last reviewed: Jun 20, 2026
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.
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