A Developer registered an AWS Lambda function as a target for an Application Load Balancer (ALB) using a CLI command. However, the Lambda function is not being invoked when the client sends requests through the ALB. Why is the Lambda function not being invoked?
A) A Lambda function cannot be registered as a target for an ALB.
B) A Lambda function can be registered with an ALB using AWS Management Console only.
C) The permissions to invoke the Lambda function are missing.
D) Cross-zone is not enabled on the ALB.

Question

Quizplus · Accepted Answer

The Lambda function needs to have the correct permissions set to allow the ALB to invoke it. This is typically done by adding a resource-based policy to the Lambda function that grants the ALB permission to invoke it.

A Developer Registered an AWS Lambda Function as a Target