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IAM Roles issue short-lived temporary security tokens that are automatically rotated, drastically reducing the risk of compromised static credentials.

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Aug 30, 2026

Quiz: How does ServiceAccount token projection work with cloud provider IAM (e.g. AWS IRSA)?

ServiceAccount token projection exchanges K8s service tokens for temporary cloud provider IAM credentials.

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Aug 30, 2026

Quiz: What is the difference between a Public Subnet and a Private Subnet in Amazon VPC?

Public subnets route default internet traffic (`0.0.0.0/0`) via Internet Gateway; Private subnets route outbound traffic through NAT Gateways.

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Aug 30, 2026

Quiz: Which Amazon Route 53 routing policy distributes traffic across endpoints based on defined percentage proportions?

Weighted Routing splits traffic based on assigned weights (e.g. 80% to v1, 20% to v2).

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Aug 30, 2026

Quiz: What is Amazon S3 Versioning?

S3 Versioning preserves historical revisions of modified or deleted objects.

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Aug 30, 2026

Quiz: What is Amazon EBS (Elastic Block Store)?

Amazon EBS provides persistent block storage volumes attached to EC2 instances.

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