1–10: Compute & Scaling
1. Your app traffic spikes unpredictably. What should you use?
A. Reserved Instances
B. Auto Scaling Group
C. Dedicated Host
D. Spot Fleet
✅ Answer: B
2. You need a serverless compute service.
A. EC2
B. Lambda
C. ECS
D. Lightsail
✅ Answer: B
3. Reduce cost for fault-tolerant workloads.
A. On-Demand
B. Reserved
C. Spot Instances
D. Dedicated
✅ Answer: C
4. Long-term steady workload optimization?
A. Spot
B. Reserved Instances
C. Lambda
D. Fargate
✅ Answer: B
5. Automatically adjust EC2 count based on CPU usage?
A. ELB
B. CloudFront
C. Auto Scaling
D. IAM
✅ Answer: C
6. Run containers without managing servers?
A. EC2
B. ECS Fargate
C. Lambda
D. Batch
✅ Answer: B
7. Need full OS control?
A. Lambda
B. EC2
C. Fargate
D. S3
✅ Answer: B
8. Event-driven architecture preferred?
A. EC2
B. Lambda
C. RDS
D. EBS
✅ Answer: B
9. Cheapest compute for interruptible jobs?
A. On-demand
B. Reserved
C. Spot
D. Dedicated
✅ Answer: C
10. Scale app across regions?
A. Auto Scaling
B. Route 53
C. CloudFront
D. ELB
✅ Answer: B
11–20: Storage
11. Store static website files?
A. EBS
B. S3
C. EFS
D. Glacier
✅ Answer: B
12. Archive data cheaply long-term?
A. S3 Standard
B. Glacier
C. EBS
D. FSx
✅ Answer: B
13. Shared file system for multiple EC2?
A. EBS
B. S3
C. EFS
D. Glacier
✅ Answer: C
14. Block storage for EC2?
A. EBS
B. S3
C. EFS
D. Glacier
✅ Answer: A
15. Highly durable object storage?
A. EBS
B. S3
C. Instance Store
D. FSx
✅ Answer: B
16. Lifecycle management automation?
A. IAM
B. S3 Lifecycle
C. EC2 Auto Scaling
D. CloudWatch
✅ Answer: B
17. Store frequently accessed data cheaply?
A. S3 Standard
B. Glacier Deep Archive
C. One Zone IA
D. EBS Cold HDD
✅ Answer: A
18. Temporary EC2 storage?
A. EBS
B. Instance Store
C. S3
D. EFS
✅ Answer: B
19. Cross-region replication?
A. EBS
B. S3
C. EFS
D. FSx
✅ Answer: B
20. Encrypt S3 data?
A. IAM
B. KMS
C. CloudTrail
D. Route53
✅ Answer: B
21–30: Networking & Security
21. Control inbound/outbound traffic at instance level?
A. NACL
B. Security Group
C. IAM
D. Shield
✅ Answer: B
22. Stateless firewall?
A. Security Group
B. NACL
C. IAM
D. WAF
✅ Answer: B
23. Protect against DDoS?
A. Shield
B. IAM
C. Route53
D. CloudWatch
✅ Answer: A
24. DNS routing service?
A. ELB
B. Route53
C. CloudFront
D. API Gateway
✅ Answer: B
25. Private network in AWS?
A. IAM
B. VPC
C. S3
D. Lambda
✅ Answer: B
26. Grant permissions securely?
A. IAM
B. S3
C. EC2
D. Lambda
✅ Answer: A
27. Web app firewall?
A. Shield
B. WAF
C. GuardDuty
D. Inspector
✅ Answer: B
28. Monitor logs for threats?
A. CloudTrail
B. GuardDuty
C. Config
D. Inspector
✅ Answer: B
29. Record API calls?
A. CloudWatch
B. CloudTrail
C. Config
D. Inspector
✅ Answer: B
30. CDN service?
A. Route53
B. CloudFront
C. ELB
D. API Gateway
✅ Answer: B
31–40: Databases
31. Managed relational DB?
A. DynamoDB
B. RDS
C. Redshift
D. ElastiCache
✅ Answer: B
32. NoSQL database?
A. RDS
B. DynamoDB
C. Aurora
D. Redshift
✅ Answer: B
33. Data warehouse?
A. RDS
B. DynamoDB
C. Redshift
D. Aurora
✅ Answer: C
34. In-memory caching?
A. DynamoDB
B. ElastiCache
C. Aurora
D. Redshift
✅ Answer: B
35. High-performance MySQL-compatible DB?
A. RDS
B. Aurora
C. DynamoDB
D. Redshift
✅ Answer: B
36. Auto scaling NoSQL DB?
A. DynamoDB
B. RDS
C. Aurora
D. Redshift
✅ Answer: A
37. Multi-AZ for HA?
A. S3
B. RDS
C. EC2
D. Lambda
✅ Answer: B
38. Read replicas improve?
A. Write speed
B. Read performance
C. Security
D. Storage
✅ Answer: B
39. Fully serverless DB?
A. RDS
B. Aurora Serverless
C. DynamoDB
D. Redshift
✅ Answer: C
40. OLAP workloads?
A. DynamoDB
B. RDS
C. Redshift
D. Aurora
✅ Answer: C
41–50: Monitoring, DevOps & Misc
41. Monitor metrics?
A. CloudTrail
B. CloudWatch
C. Config
D. Inspector
✅ Answer: B
42. Infrastructure as code?
A. OpsWorks
B. CloudFormation
C. Elastic Beanstalk
D. CodeDeploy
✅ Answer: B
43. CI/CD pipeline?
A. CodePipeline
B. CloudWatch
C. IAM
D. S3
✅ Answer: A
44. Deploy apps automatically?
A. CodeDeploy
B. CloudTrail
C. Config
D. Inspector
✅ Answer: A
45. App hosting PaaS?
A. EC2
B. Elastic Beanstalk
C. Lambda
D. ECS
✅ Answer: B
46. Audit compliance?
A. Config
B. CloudTrail
C. Inspector
D. Shield
✅ Answer: A
47. Secrets management?
A. IAM
B. Secrets Manager
C. S3
D. EC2
✅ Answer: B
48. Event bus service?
A. SNS
B. SQS
C. EventBridge
D. CloudWatch
✅ Answer: C
49. Queue service?
A. SNS
B. SQS
C. Lambda
D. API Gateway
✅ Answer: B
50. Pub/Sub messaging?
A. SNS
B. SQS
C. EC2
D. RDS
✅ Answer: A
Conclusion
Preparing for AWS certifications isn’t just about memorizing services it’s about understanding how to apply them in real-world scenarios. These quiz questions reflect the kind of practical thinking required when working with Amazon Web Services, whether you’re choosing between Amazon EC2 and AWS Lambda, designing scalable storage with Amazon S3, or securing infrastructure using IAM and VPC.
By consistently practicing scenario-based quizzes, you:
- Strengthen your decision-making skills
- Learn how different AWS services interact
- Build confidence for real exam questions and job interviews
The key is regular practice and reviewing not just the correct answers, but why they are correct. Over time, you’ll start thinking like a cloud architect making efficient, scalable, and cost-effective decisions.
Keep practicing, stay curious, and you’ll be well on your way to mastering AWS certifications.
