Monitoring & Audit

Question 1

What are 3 example use cases for defining Custom Metrics?

Answer 1

• RAM usage
• Disk Space
• Number of logged in users

Question 2

What API call do you use in the SDK to send a Custom Metric?

Answer 2

PutMetricData

Question 3

What are 2 example attributes you can use to segment Custom Metrics?

Answer 3

• Instance.id

- Environment.name

Question 4

What API parameter do you set for Custom Metric Resolution?

Answer 4

StorageResolution

Question 5

Can your Custom Metrics have timestamps in the past or future?

Answer 5

Yes

Question 6

What are the 2 logs agents available?

Answer 6

• Cloudwatch Logs Agent (old version)

- Cloudwatch Unified Agent

Question 7

What 1 thing can Cloudwatch Logs Agent do?

Answer 7

Send to Cloudwatch Logs

Question 8

What are the 2 things Cloudwatch Unified Agent can do?

Answer 8

• Collect additional system-level metrics like RAM etc

- Send to Cloudwatch Logs

Question 9

How would you recover an EC2 while maintaining the same private IP, Public IP, Elastic IP and metadata etc?

Answer 9

You would set up a Cloudwatch Alarm to recover the EC2 Instance based on Instance Status and System Status

Question 10

What are the 2 advantages of Eventbridge vs Cloudwatch Events?

Answer 10

• You can receive events from partner event bus like ZenDesk etc
• You can now receive events from custom event buses

Question 11

How long are events stored in Cloudtrail?

Answer 11

90 days

Question 12

What are the 3 things Cloudwatch is used for?

Answer 12

• Performance Monitoring
• Events & Alerting
• Log Aggregation and Analysis

Question 13

What are the 3 things Cloudtrail is used for?

Answer 13

• Record API calls

- Define trails for specific resources

Question 14

What are the 3 things Config is used for?

Answer 14

• Record Configuration Changes
• Evaluate Resources against compliance rules
• Get timelines of change and compliance