Aws Certified Solutions Architect Practice Exam Test Questions And 100% Verified Answers With Explanations.

AWS CERTIFIED SOLUTIONS ARCHITECT PRACTICE
EXAM TEST QUESTIONS AND 100% VERIFIED ANSWERS
WITH EXPLANATIONS.
1. A company wants to design a highly available web application across multiple
Availability Zones. Which AWS service helps distribute traffic evenly across these
zones?
A. Amazon CloudFront
B. AWS Auto Scaling
C. Elastic Load Balancing
D. Amazon Route 53
Correct Answer: C
Explanation: Elastic Load Balancing distributes incoming application traffic across
multiple targets in different Availability Zones. CloudFront is a CDN, Auto Scaling
adjusts capacity, and Route 53 handles DNS routing.



2. Which storage service is best suited for storing frequently accessed data with low
latency in a single-digit millisecond range?
A. Amazon S3 Glacier
B. Amazon S3 Standard
C. Amazon EBS
D. Amazon Redshift
Correct Answer: C
Explanation: Amazon EBS provides low-latency block storage for EC2 instances. S3
is object storage, Glacier is archival, and Redshift is a data warehouse.



3. A solutions architect needs to ensure data is encrypted at rest in Amazon S3. Which
feature should be used?
A. S3 Transfer Acceleration
B. Server-Side Encryption
C. Cross-Region Replication
D. Lifecycle Policies
Correct Answer: B
Explanation: Server-Side Encryption encrypts data at rest in S3. Other options do not
provide encryption functionality.



4. Which AWS service provides managed relational databases?
A. Amazon DynamoDB
B. Amazon Aurora
C. Amazon S3
D. AWS Lambda
Correct Answer: B

, Explanation: Amazon Aurora is a managed relational database. DynamoDB is
NoSQL, S3 is storage, and Lambda is compute.



5. A company needs to run code without provisioning or managing servers. Which
service should be used?
A. Amazon EC2
B. AWS Lambda
C. AWS Batch
D. Amazon ECS
Correct Answer: B
Explanation: AWS Lambda is serverless compute. EC2 requires server management,
ECS manages containers, and Batch is for batch jobs.



6. Which service provides DNS resolution in AWS?
A. Amazon CloudFront
B. Amazon Route 53
C. AWS Direct Connect
D. Amazon VPC
Correct Answer: B
Explanation: Route 53 is AWS’s DNS service. Others serve different networking
purposes.



7. A company wants to decouple application components. Which service is most
appropriate?
A. Amazon EC2
B. Amazon SQS
C. Amazon RDS
D. AWS IAM
Correct Answer: B
Explanation: Amazon SQS enables decoupling via message queues. Others are
unrelated to messaging.



8. Which AWS service is used for NoSQL databases?
A. Amazon RDS
B. Amazon DynamoDB
C. Amazon Aurora
D. Amazon Redshift
Correct Answer: B
Explanation: DynamoDB is a fully managed NoSQL database. Others are relational
or analytical.

,9. What is the primary benefit of using Auto Scaling?
A. Data encryption
B. Automatic DNS routing
C. Adjusting capacity based on demand
D. Monitoring metrics
Correct Answer: C
Explanation: Auto Scaling automatically adjusts compute capacity. Monitoring is
handled by CloudWatch.



10. Which service provides content delivery with low latency globally?
A. Amazon S3
B. AWS Lambda
C. Amazon CloudFront
D. Amazon EC2
Correct Answer: C
Explanation: CloudFront is a CDN designed for low-latency delivery. Others are not
optimized for global content delivery.



11. A company needs shared file storage accessible by multiple EC2 instances. Which
service should be used?
A. Amazon EBS
B. Amazon EFS
C. Amazon S3
D. AWS Storage Gateway
Correct Answer: B
Explanation: EFS provides shared file storage. EBS is for single instance, S3 is object
storage.



12. Which AWS service provides monitoring and logging?
A. AWS CloudTrail
B. Amazon CloudWatch
C. AWS Config
D. AWS IAM
Correct Answer: B
Explanation: CloudWatch monitors metrics and logs. CloudTrail tracks API calls.



13. What is the purpose of AWS IAM?
A. Manage compute instances
B. Control user access and permissions
C. Monitor application logs
D. Store data

, Correct Answer: B
Explanation: IAM manages authentication and authorization.



14. Which service enables hybrid cloud storage integration?
A. AWS Storage Gateway
B. Amazon S3
C. Amazon EFS
D. Amazon EC2
Correct Answer: A
Explanation: Storage Gateway connects on-premises storage to AWS.



15. Which database is optimized for analytics and data warehousing?
A. Amazon RDS
B. Amazon DynamoDB
C. Amazon Redshift
D. Amazon Aurora
Correct Answer: C
Explanation: Redshift is designed for analytics workloads.



16. Which feature ensures high availability by replicating data across multiple AZs?
A. Multi-AZ deployment
B. Auto Scaling
C. CloudFront
D. IAM
Correct Answer: A
Explanation: Multi-AZ replicates data for high availability.



17. What is the main function of AWS CloudTrail?
A. Monitor performance
B. Track API calls
C. Store backups
D. Load balancing
Correct Answer: B
Explanation: CloudTrail logs API activity for auditing.



18. Which service allows event-driven architecture?
A. Amazon EC2
B. AWS Lambda
C. Amazon S3
D. Amazon RDS