AWS Monitoring

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How long metrics are stored in CloudWatch?
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Indefinitely
T/F By default EC2 sends operating system metrics to CloudWatch
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False, it doesn't send. You want to install CloudWatch Agent on EC2 if you want to monitor it
How often EC2 sends metrics to CLoudWatch by default?
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in 5 minute intervals
What does CloudWatch logs is?
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It is a service that enables storing and monitoring application logs
What is CloudWatch metric?
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It is a variable that you would like to monitor
Metrics are defined by
CloudWatch
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name, namespace and zero or more dimensions
What is namespace in CloudWatch?
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This is a container for metrics
What is CloudWatch dimension?
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It is a filter. Can be used to filter data
What is CloudTrail?
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It is a service that records user activity in your AWS account
How long by default you can view activity in CloudTrail?
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90 days
T/F Load balancer is a separate AWS service
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No it is an EC2 instance feature
What are 2 the most common CloudWatch Actions?
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PutMetricData, PutMetricAlarm
What is AWS EventBridge?
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It is a service that incorporates Event Bus + routing based on rules
What is use case for Event bridge?
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Creation of non-compliant EC2 instance -> config sees it and sent event to event bridge -> send action to SNS
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English

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