Which of the following are poll-based event sources for AWS Lambda function? (choose 3 options)

Answer options:

A.AWS SNS
B.AWS Kinesis
C.AWS SQS
D.AWS DynamoDB
E.AWS CodePipeline

Answer: B, C, D
https://docs.aws.amazon.com/lambda/latest/dg/invocation-options.html?shortFooter=true#streaming-event-source-mapping