And Correct Answer with Rational (100%
verified answer) Q & A 2026 /
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1. What is the main purpose of Amazon S3?
A. Compute virtual machines
B. Managed databases
C. Object storage
D. Network routing
Answer: C
Amazon S3 is designed for scalable object storage for files, backups, and static
data.
2. Which AWS service is best for running virtual servers?
A. AWS Lambda
B. Amazon EC2
C. Amazon RDS
D. AWS S3
Answer: B
EC2 provides resizable virtual machines in the cloud.
3. What does Amazon VPC provide?
,A. Identity management
B. Isolated cloud networking
C. Serverless computing
D. Storage encryption
Answer: B
VPC allows creation of logically isolated virtual networks.
4. Which service is used for serverless computing?
A. AWS Lambda
B. EC2
C. EBS
D. Route 53
Answer: A
Lambda runs code without provisioning servers.
5. What is Amazon RDS used for?
A. Object storage
B. Managed relational databases
C. DNS routing
D. Content delivery
Answer: B
RDS manages relational databases like MySQL and PostgreSQL.
6. Which service is used for DNS management?
A. CloudFront
B. Route 53
C. S3
D. IAM
, Answer: B
Route 53 is AWS’s scalable DNS service.
7. What is AWS IAM used for?
A. Monitoring
B. Identity and access management
C. Storage
D. Compute scaling
Answer: B
IAM controls authentication and authorization.
8. Which service provides content delivery with low latency?
A. CloudFront
B. S3
C. EC2
D. Lambda
Answer: A
CloudFront is a CDN for fast content delivery.
9. What is Amazon EBS?
A. Object storage
B. Block storage for EC2
C. Database engine
D. Messaging service
Answer: B
EBS provides persistent block storage for EC2 instances.