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Solutions Architect Deployment & Scalability 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 Solutions Architect Deployment & Scalability flashcards as text

  1. Which AWS CodeDeploy deployment configuration minimizes risk by shifting traffic in small, incremental percentages over time?

    Answer: Linear traffic shifting

    Linear traffic shifting moves traffic in equal increments at regular intervals (e.g., 10% every 1 minute) providing gradual, controlled rollout.

  2. A company wants to use infrastructure as code to preview changes before applying them. Which CloudFormation feature enables this?

    Answer: Change sets

    CloudFormation change sets show a summary of proposed changes to a stack before execution, allowing review without affecting running resources.

  3. An ECS service must maintain exactly 3 running tasks even if one fails. Which ECS feature ensures this?

    Answer: Service desired count with health check grace period

    Setting the ECS service desired count to 3 causes ECS to automatically replace failed tasks, maintaining the specified count at all times.

  4. Which scaling dimension does DynamoDB on-demand capacity mode handle automatically?

    Answer: Read and write throughput based on actual traffic

    DynamoDB on-demand mode instantly accommodates workload changes by automatically scaling read and write throughput to any previously reached traffic level.

  5. A solutions architect wants to pre-warm Auto Scaling instances before a scheduled marketing event. Which feature should they use?

    Answer: Warm pools

    Warm pools keep pre-initialized EC2 instances in a stopped state, allowing them to launch quickly during scaling events without incurring full boot time.

  6. Which load balancer type is best suited for routing gRPC traffic between microservices on AWS?

    Answer: Application Load Balancer

    ALB supports gRPC as a protocol for target groups, enabling HTTP/2-based gRPC traffic routing between microservices.

  7. A company needs to deploy updates to 1,000 EC2 instances simultaneously with rollback capability. Which service should they use?

    Answer: AWS CodeDeploy

    AWS CodeDeploy supports deployment to large EC2 fleets with configurable rollback triggers, health checks, and deployment configurations.