cloudwatch vs cloudtrail

Question 1

What are CloudWatch Metrics?

Answer 1

A variable to monitor, e.g., CPU usage of an EC2 instance

Question 2

What are CloudWatch Namespaces?

Answer 2

A container for CloudWatch metrics, e.g., EC2. It uses the AWS/EC2 namespace, but you can create your own namespaces.

Question 3

What are CloudWatch Dimensions?

Answer 3

A filter (e.g., Instance ID) to search for metrics for a specific instance.

Question 4

What are CloudWatch Dashboards?

Answer 4

A custom homepage you create to display important metrics in one place, e.g., for production environments (PROD)

Question 5

What does CloudWatch do?

Answer 5

CloudWatch monitors performance and metrics, , logs, and alarms.

Question 6

When should you use CloudWatch?

Answer 6

Use CloudWatch when you need to monitor the performance of AWS resources.

Question 7

What does CloudTrail do?

Answer 7

CloudTrail records integrate with CloudWatch Logs. It captures API activity history related to the creation, deletion, and modification of AWS resources, and delivers it to an S3 bucket.,

Question 8

When should you use CloudTrail?

Answer 8

Use CloudTrail when you need an audit log of user activity in your AWS account.