AWS Serverless Computing 2

Question 1

Which Amazon API Gateway endpoint type routes requests through CloudFront edge locations to minimize latency for global clients?

Accepted Answer

Edge-optimized endpoint

Answer

Edge-optimized API Gateway endpoints route requests through the nearest CloudFront point of presence, reducing latency for geographically distributed clients.

Question 2

What language does AWS Step Functions use to define state machines and workflow logic?

Accepted Answer

Amazon States Language (ASL)

Answer

AWS Step Functions uses Amazon States Language (ASL), a JSON-based language, to define states, transitions, and the overall workflow logic.

Question 3

Which AWS Step Functions workflow type supports durations up to one year and is designed for long-running workflows that wait for human approvals?

Accepted Answer

Standard Workflows

Answer

Standard Workflows support durations up to one year and can pause via task tokens to wait for human approval or external callbacks; Express Workflows max out at 5 minutes.

Question 4

When configuring an SQS event source mapping for Lambda, which parameter determines how many messages are delivered to a single function invocation?

Accepted Answer

BatchSize

Answer

BatchSize controls how many SQS messages are retrieved and included in a single Lambda event, up to 10,000 for standard queues.

Question 5

What is the purpose of an API Gateway usage plan?

Accepted Answer

To throttle requests and enforce quotas per API key

Answer

Usage plans define per-API-key throttling limits (requests per second) and quotas (requests per day/week/month), enabling fine-grained access control for API consumers.

AWS Practice Test

AWS Practice Test

AWS Serverless Computing 2