[Solved] Given this Lambda trigger configuration snippet:{ "EventSourceArn": "arn:aws:sqs:us-east-1:123456789012:MyQueue", "FunctionName": "ProcessQueueMessages", "Enabled":... | AWS

AWS - Lambda

Given this Lambda trigger configuration snippet:

{
  "EventSourceArn": "arn:aws:sqs:us-east-1:123456789012:MyQueue",
  "FunctionName": "ProcessQueueMessages",
  "Enabled": true
}

What happens when a new message arrives in the SQS queue?

AThe Lambda function ProcessQueueMessages is invoked automatically

BThe message is deleted from the queue without processing

CThe Lambda function is not triggered until manually invoked

DAn error occurs because the configuration is incomplete

Step-by-Step Solution

Solution:

Step 1: Understand event source mapping
The snippet shows an event source mapping linking an SQS queue to a Lambda function.
Step 2: Effect of Enabled=true
With Enabled set to true, Lambda polls the queue and invokes the function on new messages.
Final Answer:
The Lambda function ProcessQueueMessages is invoked automatically -> Option A
Quick Check:
Enabled event source mapping triggers Lambda = C [OK]

Quick Trick: Enabled event source mapping means automatic Lambda invocation [OK]

Common Mistakes:

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