AWS Certified Solutions Architect Associate Exam
New 202-2026 Version with 65 Questions, Correct
Answers and Rationale
MOST TOUGHEST & MOST TESTED QUESTIONS for the
AWS Certified Solutions Architect – Associate (SAA-C03 | 2024–2025)
These are scenario-based, exam-level questions designed to match actual AWS exam difficulty,
focusing on architecture trade-offs, cost optimization, security, resiliency, and performance.
AWS SAA – ASSOCIATE
25 Most Difficult & Most Tested Questions
(Multiple Choice + Expanded Explanations)
1️⃣ A web application must handle unpredictable traffic spikes with minimal cost. Which architecture is
BEST?
A. EC2 in a single AZ with Auto Scaling
B. EC2 in multiple AZs with Auto Scaling
C. ECS on EC2 with fixed capacity
D. Lambda behind API Gateway
✅ Correct Answer: D
Explanation:
Lambda automatically scales, charges per execution, and requires no capacity planning—ideal for
unpredictable workloads.
2️⃣ An application requires a highly available relational database with automatic failover. Which
solution is BEST?
A. RDS Single-AZ
B. RDS Multi-AZ
,C. DynamoDB Global Tables
D. Aurora Serverless v1
✅ Correct Answer: B
Explanation:
RDS Multi-AZ provides synchronous replication and automatic failover, a core exam concept.
3️⃣ Which service provides object storage with 11 9s of durability?
A. EBS
B. EFS
C. S3
D. Glacier
✅ Correct Answer: C
4️⃣ A company needs shared file storage accessible by multiple EC2 instances across AZs. What should
you use?
A. S3
B. EBS
C. EFS
D. FSx for Windows
✅ Correct Answer: C
5️⃣ What is the MOST cost-effective storage for data accessed once per quarter?
A. S3 Standard
B. S3 Intelligent-Tiering
C. S3 Glacier Instant Retrieval
D. S3 Glacier Deep Archive
✅ Correct Answer: D
Explanation:
Deep Archive is cheapest for infrequently accessed data with long retrieval times.
6️⃣ Which AWS service is BEST for decoupling application components?
A. SNS
B. SQS
, C. Step Functions
D. EventBridge
✅ Correct Answer: B
7️⃣ An application must remain available even if an entire AZ fails. What is REQUIRED?
A. Auto Scaling
B. Multi-AZ deployment
C. Spot Instances
D. Read replicas
✅ Correct Answer: B
8️⃣ Which service provides a fully managed NoSQL key-value database with single-digit millisecond
latency?
A. Aurora
B. DynamoDB
C. ElastiCache
D. Redshift
✅ Correct Answer: B
9️⃣ What feature allows EC2 instances to automatically recover from hardware failure?
A. Elastic Load Balancer
B. Auto Scaling
C. EC2 Auto Recovery
D. Placement Groups
✅ Correct Answer: C
A company wants to restrict S3 access to only a specific VPC. What should be used?
A. IAM role
B. Bucket ACL
C. VPC Endpoint
D. Security Group
✅ Correct Answer: C
New 202-2026 Version with 65 Questions, Correct
Answers and Rationale
MOST TOUGHEST & MOST TESTED QUESTIONS for the
AWS Certified Solutions Architect – Associate (SAA-C03 | 2024–2025)
These are scenario-based, exam-level questions designed to match actual AWS exam difficulty,
focusing on architecture trade-offs, cost optimization, security, resiliency, and performance.
AWS SAA – ASSOCIATE
25 Most Difficult & Most Tested Questions
(Multiple Choice + Expanded Explanations)
1️⃣ A web application must handle unpredictable traffic spikes with minimal cost. Which architecture is
BEST?
A. EC2 in a single AZ with Auto Scaling
B. EC2 in multiple AZs with Auto Scaling
C. ECS on EC2 with fixed capacity
D. Lambda behind API Gateway
✅ Correct Answer: D
Explanation:
Lambda automatically scales, charges per execution, and requires no capacity planning—ideal for
unpredictable workloads.
2️⃣ An application requires a highly available relational database with automatic failover. Which
solution is BEST?
A. RDS Single-AZ
B. RDS Multi-AZ
,C. DynamoDB Global Tables
D. Aurora Serverless v1
✅ Correct Answer: B
Explanation:
RDS Multi-AZ provides synchronous replication and automatic failover, a core exam concept.
3️⃣ Which service provides object storage with 11 9s of durability?
A. EBS
B. EFS
C. S3
D. Glacier
✅ Correct Answer: C
4️⃣ A company needs shared file storage accessible by multiple EC2 instances across AZs. What should
you use?
A. S3
B. EBS
C. EFS
D. FSx for Windows
✅ Correct Answer: C
5️⃣ What is the MOST cost-effective storage for data accessed once per quarter?
A. S3 Standard
B. S3 Intelligent-Tiering
C. S3 Glacier Instant Retrieval
D. S3 Glacier Deep Archive
✅ Correct Answer: D
Explanation:
Deep Archive is cheapest for infrequently accessed data with long retrieval times.
6️⃣ Which AWS service is BEST for decoupling application components?
A. SNS
B. SQS
, C. Step Functions
D. EventBridge
✅ Correct Answer: B
7️⃣ An application must remain available even if an entire AZ fails. What is REQUIRED?
A. Auto Scaling
B. Multi-AZ deployment
C. Spot Instances
D. Read replicas
✅ Correct Answer: B
8️⃣ Which service provides a fully managed NoSQL key-value database with single-digit millisecond
latency?
A. Aurora
B. DynamoDB
C. ElastiCache
D. Redshift
✅ Correct Answer: B
9️⃣ What feature allows EC2 instances to automatically recover from hardware failure?
A. Elastic Load Balancer
B. Auto Scaling
C. EC2 Auto Recovery
D. Placement Groups
✅ Correct Answer: C
A company wants to restrict S3 access to only a specific VPC. What should be used?
A. IAM role
B. Bucket ACL
C. VPC Endpoint
D. Security Group
✅ Correct Answer: C
