SNS Flashcards
SNS
5 Examples of Subscribers?
HTTP endpoints, email (json), SQS, mobile phones, Lambda functions
SNS
What is the keyword for this type of architecture?
Fanout
SNS
Can a publisher get delivery status from SQS subscribers?
Yes
SNS
Can a publisher get delivery status from mobile phone subscribers?
No
SNS
Can a publisher get delivery status from Lambda function subscribers?
Yes
SNS
Can a publisher get delivery status from HTTP endpoint subscribers?
Yes
SNS
What happens if SNS can’t deliver a message to a subscriber?
Can configure retries. Not just one-and-done.
SNS
Is data in SNS encrypted?
Yes, SSE for at-rest while data in SNS.
SNS
Can you share a Topic cross-account?
Yes, just like S3, SNS Topics have a resource policy.