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AWS Core Compute and Storage Services Flashcards

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

Read the first 6 AWS Core Compute and Storage Services flashcards as text

  1. What is Amazon EC2 instance store storage?

    Answer: Temporary storage physically attached to the host computer that is lost when the instance stops

    Instance store provides temporary block-level storage located on disks physically attached to the host — data is lost when the instance stops or terminates.

  2. Which S3 storage class is designed for data that is accessed less than once a month and requires millisecond retrieval?

    Answer: S3 Standard-Infrequent Access (S3 Standard-IA)

    S3 Standard-IA is for data accessed less frequently but that requires rapid access when needed — it has lower storage cost but a per-retrieval fee.

  3. What does Amazon EC2 Auto Scaling use to determine when to launch or terminate instances?

    Answer: Scaling policies based on CloudWatch metrics such as CPU utilization

    EC2 Auto Scaling uses CloudWatch metrics (like CPU utilization or request counts) combined with scaling policies to trigger launch or termination of instances.

  4. Which AWS service is best suited for running a containerized microservices application without managing Kubernetes or EC2?

    Answer: AWS Fargate with Amazon ECS

    Fargate with ECS lets you run containers in a fully serverless manner — you define tasks and AWS handles all the underlying compute infrastructure.

  5. What is Amazon CloudFront's origin in the context of content delivery?

    Answer: The source server or S3 bucket from which CloudFront retrieves content to cache

    The origin is the authoritative source of content (an S3 bucket, EC2 instance, or custom HTTP server) that CloudFront fetches from to populate its cache.

  6. Which AWS service allows you to run code in response to HTTP requests without provisioning servers, commonly used for building APIs?

    Answer: AWS Lambda combined with Amazon API Gateway

    AWS Lambda paired with Amazon API Gateway is the standard serverless pattern for building scalable REST or HTTP APIs without managing any infrastructure.