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Cloud Architecture & Infrastructure Flashcards

7 cards from real AWS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Cloud Architecture & Infrastructure flashcards as text

  1. Which service automatically adjusts the number of EC2 instances based on demand to maintain performance and cost?

    Answer: EC2 Auto Scaling

    EC2 Auto Scaling adds or removes instances automatically based on defined scaling policies.

  2. What is the maximum size of a single object that can be stored in Amazon S3?

    Answer: 5 TB

    A single S3 object can be up to 5 TB, with multipart upload required for objects over 5 GB.

  3. Which AWS service is best for delivering content to users with low latency via a global network of edge locations?

    Answer: Amazon CloudFront

    Amazon CloudFront is a content delivery network (CDN) that caches content at edge locations worldwide.

  4. For a stateless, event-driven function that runs only when triggered and scales automatically, which service is ideal?

    Answer: AWS Lambda

    AWS Lambda runs code in response to events and scales automatically without server management.

  5. Which block-level storage service provides persistent volumes for use with EC2 instances?

    Answer: Amazon EBS

    Amazon EBS provides persistent block-level storage volumes that attach to EC2 instances.

  6. Which service offers a shared, elastic file system that can be mounted concurrently by many EC2 instances?

    Answer: Amazon EFS

    Amazon EFS is a fully managed, elastic NFS file system shareable across many instances simultaneously.

  7. To enforce least-privilege access to AWS resources, which service should you primarily configure?

    Answer: AWS IAM

    AWS IAM manages users, roles, and policies to grant fine-grained, least-privilege access to resources.