EC2 CloudWatch

Question 1

What is Amazon CloudWatch?

Answer 1

Amazon CloudWatch is a monitoring service to monitor your AWS resources, as well as the applications that you run on AWS

Question 2

What are the services CloudWatch can monitor?

Answer 2

• Compute
  
  • EC2 Instances
  • Autoscaling Groups
  • Elastic Load Balancers
  • Route 53 Health Checks
• Storage & Content Delivery
  
  • EBS Volumes
  • Storage Gateways
  • CloudFront

Question 3

What metrics can CloudWatch monitor at a host level?

Answer 3

• CPU
• Network
• Disk
• Status Check

Question 4

What is AWS CloudTrail?

Answer 4

AWS CloudTrail increases visibility into your user and resource activity by recording AWS Management Console actions and API calls.

Question 5

What specifically can AWS CloudTrail identify?

Answer 5

• which users and accounts called AWS
• the source IP address from which the calls were made
• when the calls occurred

Question 6

What is the difference between AWS CloudWatch and AWS CloudTrail?

Answer 6

• CloudWatch monitors performance
• CloudTrail monitors API calls in the AWS platform

Question 7

How often does CloudWatch with EC2 monitor events?

Answer 7

• every 5 minutes by default
• you can have 1 minute intervals by turning on detailed monitoring

Question 8

What are the things you can do with CloudWatch?

Answer 8

• Dashboards - see whats happening with your AWS Environment
• Alarms - notify you when particular thresholds are hit
• Events - help you respond to state changes in your AWS resources
• Logs - aggregate, monitor, and store cloud data