Monitoring, Logging, and Notification Services

Question 1

What is CloudWatch?

Answer 1

Amazon CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS.

CloudWatch is for performance monitoring (CloudTrail is for auditing).

Question 2

What is CloudTrail?

Answer 2

AWS CloudTrail is a web service that records activity made on your account and delivers log files to an Amazon S3 bucket.

CloudTrail is for auditing (CloudWatch is for performance monitoring).

CloudTrail is about logging and saves a history of API calls for your AWS account.

Question 3

What is SNS?

Answer 3

Amazon Simple Notification Service (Amazon SNS) is a web service that makes it easy to set up, operate, and send notifications from the cloud.

Question 4

What are some core concepts of SNS?

Answer 4

Topics – how you label and group different endpoints that you send messages to

Subscriptions – the endpoints that a topic sends messages to

Publishers – the person/alarm/event that gives SNS the message that needs to be sent