SNS

Question 1

What is SNS?

Answer 1

Simple Notification Service

Web service to easily set up operative notification from the cloud

pub-sub

Question 2

Is SNS a poll or push service?

Answer 2

PUSH

Question 3

Is SNS synchronous or ansynchronous?

Answer 3

synchronous

Question 4

Delivery methods of SNS

Answer 4

SNS message (text)

Email

SQS

HttpRequest

Question 5

Price of 1 million SNS requests

Answer 5

$0.50

Question 6

Price of 10,000 Notif over HTTP in SNS

Answer 6

$0.06

Question 7

Price of 100 notif over text in SNS

Answer 7

$0.75

Question 8

Price of 100,000 notif over email in SNS

Answer 8

$2.00

Question 9

Can you trigger Lambda with SNS?

Answer 9

Yes you can trigger a Lambda when a message is published to SNS topic and then Lambda can trigger to post to another SNS topic

Question 10

SNS endpoints

Answer 10

Application
HTTP
Lambda
SQS

Question 11

Filter policy for SNS

Answer 11

simple JSON object

by default subscribers receive every message published to a topic but filter can define which messages they want