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AWS Compute Services 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 AWS Compute Services flashcards as text

  1. What is the purpose of an EC2 Placement Group using the 'Partition' strategy?

    Answer: Spread instances across logical partitions so groups never share underlying hardware

    Partition placement groups divide instances into logical partitions, each on separate hardware, reducing the risk of correlated hardware failures for distributed systems like HDFS or Kafka.

  2. Which Lambda feature enables you to run two versions of a function simultaneously and gradually shift traffic between them to test a new deployment?

    Answer: Lambda Aliases with weighted routing

    Lambda Aliases support weighted routing, allowing you to split traffic between two function versions for canary or blue/green deployments.

  3. A company needs dedicated physical EC2 servers for compliance reasons but wants AWS to manage the server capacity. Which option should they choose?

    Answer: Dedicated Hosts

    Dedicated Hosts provide physical servers dedicated to your use, giving visibility into sockets and cores for license compliance, with AWS managing the infrastructure.

  4. What does 'Provisioned Concurrency' do for AWS Lambda?

    Answer: Pre-initializes execution environments to eliminate cold starts

    Provisioned Concurrency keeps a specified number of Lambda execution environments initialized and ready to respond instantly, eliminating cold start latency.

  5. Which EC2 feature allows you to pause and resume an instance, preserving the in-memory state (RAM contents) to disk?

    Answer: Hibernate

    EC2 Hibernate saves the instance's RAM contents to the EBS root volume so the instance can resume exactly where it left off, including running processes.

  6. An organization wants to run a Kubernetes cluster on AWS without managing the control plane. Which service should they use?

    Answer: Amazon EKS

    Amazon EKS (Elastic Kubernetes Service) is a managed Kubernetes service where AWS operates and scales the Kubernetes control plane across multiple Availability Zones.

  7. Which EC2 Auto Scaling policy type continuously adjusts capacity to maintain a specific metric at a target value, such as keeping average CPU utilization at 50%?

    Answer: Target Tracking Scaling

    Target Tracking Scaling automatically adjusts the number of instances to keep a chosen metric, like CPU utilization, at a specified target value.