Cloud · AWS interview questions

57 real Cloud · AWS questions from the DevOps & SRE bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is EC2?

Junior
  1. A.a logically isolated virtual network within AWS
  2. B.a service that maintains and adjusts the number of EC2 instances by policy
  3. C.a service providing resizable virtual machine instances
  4. D.an object storage service for storing and retrieving any amount of data
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3. Which statement is correct?

Junior
  1. A.EC2 — a logically isolated virtual network within AWS
  2. B.EC2 — a stateful virtual firewall controlling traffic to and from instances
  3. C.EC2 — a service providing resizable virtual machine instances
  4. D.EC2 — AWS's native infrastructure-as-code service using declarative templates
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4. What is S3?

Junior
  1. A.spreading resources across availability zones for high availability
  2. B.AWS's native infrastructure-as-code service using declarative templates
  3. C.an object storage service for storing and retrieving any amount of data
  4. D.a service providing resizable virtual machine instances
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6. Which statement is correct?

Junior
  1. A.S3 — AWS's native infrastructure-as-code service using declarative templates
  2. B.S3 — an object storage service for storing and retrieving any amount of data
  3. C.S3 — a logically isolated virtual network within AWS
  4. D.S3 — an identity with permissions that can be assumed by trusted entities without static keys
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7. What is IAM?

Junior
  1. A.AWS's native infrastructure-as-code service using declarative templates
  2. B.IAM Roles for Service Accounts, mapping a Kubernetes service account to an IAM role on EKS
  3. C.the service managing users, roles, and permissions for AWS resources
  4. D.a service providing resizable virtual machine instances
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9. Which statement is correct?

Junior
  1. A.IAM — the service managing users, roles, and permissions for AWS resources
  2. B.IAM — AWS's managed Kubernetes control plane service
  3. C.IAM — an identity with permissions that can be assumed by trusted entities without static keys
  4. D.IAM — spreading resources across availability zones for high availability
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10. What is VPC?

Junior
  1. A.a service providing resizable virtual machine instances
  2. B.an identity with permissions that can be assumed by trusted entities without static keys
  3. C.IAM Roles for Service Accounts, mapping a Kubernetes service account to an IAM role on EKS
  4. D.a logically isolated virtual network within AWS
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12. Which statement is correct?

Junior
  1. A.VPC — a service providing resizable virtual machine instances
  2. B.VPC — a serverless compute service that runs code in response to events
  3. C.VPC — a logically isolated virtual network within AWS
  4. D.VPC — a service that maintains and adjusts the number of EC2 instances by policy
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13. What is Lambda?

Junior
  1. A.IAM Roles for Service Accounts, mapping a Kubernetes service account to an IAM role on EKS
  2. B.spreading resources across availability zones for high availability
  3. C.AWS's native infrastructure-as-code service using declarative templates
  4. D.a serverless compute service that runs code in response to events
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15. Which statement is correct?

Junior
  1. A.Lambda — an identity with permissions that can be assumed by trusted entities without static keys
  2. B.Lambda — a service that maintains and adjusts the number of EC2 instances by policy
  3. C.Lambda — a serverless compute service that runs code in response to events
  4. D.Lambda — AWS's managed Kubernetes control plane service
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16. What is EKS?

Junior
  1. A.AWS's managed Kubernetes control plane service
  2. B.the service managing users, roles, and permissions for AWS resources
  3. C.a service providing resizable virtual machine instances
  4. D.a service that maintains and adjusts the number of EC2 instances by policy
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18. Which statement is correct?

Junior
  1. A.EKS — granting access between AWS accounts by assuming a role with a trust policy
  2. B.EKS — a stateful virtual firewall controlling traffic to and from instances
  3. C.EKS — a service providing resizable virtual machine instances
  4. D.EKS — AWS's managed Kubernetes control plane service
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19. What is IAM role?

Mid
  1. A.a stateful virtual firewall controlling traffic to and from instances
  2. B.an identity with permissions that can be assumed by trusted entities without static keys
  3. C.IAM Roles for Service Accounts, mapping a Kubernetes service account to an IAM role on EKS
  4. D.a logically isolated virtual network within AWS
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21. Which statement is correct?

Mid
  1. A.IAM role — granting access between AWS accounts by assuming a role with a trust policy
  2. B.IAM role — a service that maintains and adjusts the number of EC2 instances by policy
  3. C.IAM role — a stateful virtual firewall controlling traffic to and from instances
  4. D.IAM role — an identity with permissions that can be assumed by trusted entities without static keys
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22. What is Security group?

Mid
  1. A.AWS's managed Kubernetes control plane service
  2. B.AWS's native infrastructure-as-code service using declarative templates
  3. C.a stateful virtual firewall controlling traffic to and from instances
  4. D.a service providing resizable virtual machine instances
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24. Which statement is correct?

Mid
  1. A.Security group — IAM Roles for Service Accounts, mapping a Kubernetes service account to an IAM role on EKS
  2. B.Security group — an identity with permissions that can be assumed by trusted entities without static keys
  3. C.Security group — a stateful virtual firewall controlling traffic to and from instances
  4. D.Security group — AWS's native infrastructure-as-code service using declarative templates
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25. What is Auto Scaling group?

Mid
  1. A.an object storage service for storing and retrieving any amount of data
  2. B.a serverless compute service that runs code in response to events
  3. C.a service that maintains and adjusts the number of EC2 instances by policy
  4. D.IAM Roles for Service Accounts, mapping a Kubernetes service account to an IAM role on EKS
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27. Which statement is correct?

Mid
  1. A.Auto Scaling group — a service that maintains and adjusts the number of EC2 instances by policy
  2. B.Auto Scaling group — spreading resources across availability zones for high availability
  3. C.Auto Scaling group — the service managing users, roles, and permissions for AWS resources
  4. D.Auto Scaling group — IAM Roles for Service Accounts, mapping a Kubernetes service account to an IAM role on EKS
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28. What is CloudFormation?

Mid
  1. A.the service managing users, roles, and permissions for AWS resources
  2. B.AWS's native infrastructure-as-code service using declarative templates
  3. C.AWS's managed Kubernetes control plane service
  4. D.granting access between AWS accounts by assuming a role with a trust policy
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30. Which statement is correct?

Mid
  1. A.CloudFormation — an identity with permissions that can be assumed by trusted entities without static keys
  2. B.CloudFormation — an object storage service for storing and retrieving any amount of data
  3. C.CloudFormation — granting access between AWS accounts by assuming a role with a trust policy
  4. D.CloudFormation — AWS's native infrastructure-as-code service using declarative templates
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