Cloud Metrics

Question 1

CloudWatch Metrics

Answer 1

• Provides metrics for every AWS service
• Can create dashboards

Question 2

CloudWatch Alarm

Answer 2

Trigger notification for any metric
Actions
* Autsacle
* EC2 (stop, reoboot Recover an EC2 instance
* Billing alarm

Question 3

CloudWatch Alarm actions

Answer 3

• Auto Sacling
• EC2 Actions (stop, reboot, ect…)
• SNS notifications

Question 4

CloudWatch Logs

Answer 4

• Collect log files
• Real time monitoring of logs
• Adjustable retension period

Question 5

CloudWatch Logs for EC2

Answer 5

• By default no logs are sent
• Install CloudWatch Logs agent on the EC2
• Correct IAM permission for EC2 instance
• Can be set up on on-prem servers

Question 6

Amazon EventBridge (Formerly CloudWatch Events)

Answer 6

• Schedule: Cron jobs (sched scripts)
• Event Pattern: react to a service doing something
• Trigger Lambada functions, SNS messages, email, etc…

Question 7

CloudTrail

Answer 7

• Provides governance, compliance, and audit
• Enabled by default
• History of evets/API calls made
• Can put logs in to CloudWatch or S3
• Can be applied to All Regions (default), or a single region
• API call that needs to be looked up

Question 8

AWS X-Ray

Answer 8

• Tracing
• Visual analysis of applications
• Troubleshoot performance issues
• Understand dependencies in microservice architecture
• Pinpoint service issues
• Review request behavior
• Find errors and exceptions

Question 9

Amazon CodeGuru

Answer 9

• Machine learning
• Automated code review (CodeGuru Reviewer)
• Application performance recommendations (CodeGuru Profiler)

Question 10

Health Dashboard - Service History

Answer 10

• Show all regions, all services health
• Show historical information daily
• Has RSS feed
• Previously called AWS Service Health Dashboard

Question 11

Health Dashboard - Your Account

Answer 11

Provides alters and remediation guidance when AWS is experiencing events that my impact you
* Personalized view into the performance and availability of the AWS services underlying your resources
* Display relevant and timely information to help manage events in progress
* Provide proactive notification to help plan for scheduled events
* Aggregate data from an entire AWS Organization
* Global service