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AWS Interview Questions for Freshers

 ✅ 1. EC2 vs Lambda EC2 = virtual servers you manage. Lambda = serverless, runs code without managing infrastructure. 🔗 docs.aws.amazon....

 ✅ 1. EC2 vs Lambda

EC2 = virtual servers you manage.
Lambda = serverless, runs code without managing infrastructure.
🔗 docs.aws.amazon.com/lambda

2. How to secure an S3 bucket?
Use bucket/IAM policies, block public access, enable encryption, and log activity.
🔗 docs.aws.amazon.com/s3-security

3. IAM User vs Role
Users = long-term credentials.
Roles = temporary access, great for services like EC2.
🔗 docs.aws.amazon.com/iam-roles

4. What’s a Security Group?
Acts as a virtual firewall for EC2.
🔗 docs.aws.amazon.com/security-groups

5. What is an Auto Scaling Group?
Automatically adjusts the number of EC2 instances based on demand.
🔗 docs.aws.amazon.com/auto-scaling

6. Load Balancers in AWS
Distribute traffic across resources. ALB = Layer 7, NLB = Layer 4.
🔗 docs.aws.amazon.com/load-balancer

7. What is CloudWatch?
Monitoring, logs, alerts, and dashboards for AWS resources.
🔗 docs.aws.amazon.com/cloudwatch

8. Public vs Private Subnet
Public = direct internet access.
Private = internal, uses NAT Gateway for outbound.
🔗 docs.aws.amazon.com/vpc-subnets

9. What is an Elastic IP?
A static IP for EC2 that persists even if instances stop/start.
🔗 docs.aws.amazon.com/elastic-ip

10. How to back up data in AWS?
Use AWS Backup, EBS snapshots, or S3 versioning.
🔗 docs.aws.amazon.com/aws-backup


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DevOpsWorld: AWS Interview Questions for Freshers
AWS Interview Questions for Freshers
DevOpsWorld
https://www.devopsworld.co.in/2025/04/aws-interview-questions-for-freshers.html
https://www.devopsworld.co.in/
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