AWS Certified Solutions Architect Associate SAA-C03 2026 – Complete 360-Question Practice Exam Bundle with Answers & Rationales (3 Versions)

AWS Certified Solutions Architect Associate
SAA-C03 2026 – Complete 360-Question
Practice Exam Bundle with Answers &
Rationales (3 Versions)

AWS Certified Solutions Architect – Associate (SAA-C03)

Question 1
Which storage class is best for infrequently accessed S3 objects with rapid
retrieval?
A. S3 Standard
B. S3 Standard-IA
C. S3 Glacier
D. S3 Glacier Deep Archive
Answer: B. S3 Standard-IA
Rationale:
Standard-IA (Infrequent Access) offers lower cost for objects accessed less often,
with millisecond retrieval time.


Question 2
Which service can trigger a Lambda function in response to an S3 object upload?
A. EventBridge
B. S3 Event Notifications
C. CloudWatch
D. SNS
Answer: B. S3 Event Notifications
Rationale:
S3 Event Notifications can trigger Lambda, SNS, or SQS when objects are created,
deleted, or modified.

,Question 3
Which service provides managed, relational databases with automatic backups?
A. DynamoDB
B. Aurora
C. RDS
D. Redshift
Answer: C. RDS
Rationale:
RDS is fully managed, supports backups, Multi-AZ deployments, and automated
patching.


Question 4
Which service allows scalable real-time analytics on streaming data?
A. Kinesis Data Streams
B. SQS
C. Lambda
D. CloudWatch
Answer: A. Kinesis Data Streams
Rationale:
Kinesis streams ingest and process real-time data for analytics pipelines.


Question 5
Which service provides centralized security findings across AWS accounts?
A. GuardDuty
B. Security Hub
C. Inspector
D. WAF
Answer: B. Security Hub

,Rationale:
Security Hub aggregates findings from GuardDuty, Inspector, and other services to
centralize security monitoring.


Question 6
Which service provides automated vulnerability scanning for EC2 instances?
A. Inspector
B. Security Hub
C. GuardDuty
D. Config
Answer: A. Inspector
Rationale:
Inspector assesses EC2 instances for vulnerabilities and deviations from best
practices.


Question 7
Which service allows serverless orchestration of multiple Lambda functions?
A. Step Functions
B. EventBridge
C. SQS
D. CloudWatch
Answer: A. Step Functions
Rationale:
Step Functions orchestrates workflows and handles retries, branching, and error
handling for serverless apps.


Question 8
Which service provides fully managed Redis or Memcached in AWS?
A. ElastiCache
B. DAX

, C. RDS
D. DynamoDB
Answer: A. ElastiCache
Rationale:
ElastiCache manages in-memory caching for Redis and Memcached to improve
application performance.


Question 9
Which service allows cost anomaly detection using machine learning?
A. Cost Anomaly Detection
B. Budgets
C. Cost Explorer
D. Trusted Advisor
Answer: A. Cost Anomaly Detection
Rationale:
Uses ML models to detect unusual spending patterns and alert users proactively.


Question 10
Which service enables serverless container execution without managing EC2
instances?
A. Fargate
B. ECS
C. EKS
D. Lambda
Answer: A. Fargate
Rationale:
Fargate runs containers serverlessly and automatically scales compute resources.


Question 11