AWS Monitoring

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question		réponse
How long metrics are stored in CloudWatch? commencer à apprendre		Indefinitely
T/F By default EC2 sends operating system metrics to CloudWatch commencer à apprendre		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? commencer à apprendre		in 5 minute intervals
What does CloudWatch logs is? commencer à apprendre		It is a service that enables storing and monitoring application logs
What is CloudWatch metric? commencer à apprendre		It is a variable that you would like to monitor
Metrics are defined by CloudWatch commencer à apprendre		name, namespace and zero or more dimensions
What is namespace in CloudWatch? commencer à apprendre		This is a container for metrics
What is CloudWatch dimension? commencer à apprendre		It is a filter. Can be used to filter data
What is CloudTrail? commencer à apprendre		It is a service that records user activity in your AWS account
How long by default you can view activity in CloudTrail? commencer à apprendre		90 days
T/F Load balancer is a separate AWS service commencer à apprendre		No it is an EC2 instance feature
What are 2 the most common CloudWatch Actions? commencer à apprendre		PutMetricData, PutMetricAlarm
What is AWS EventBridge? commencer à apprendre		It is a service that incorporates Event Bus + routing based on rules
What is use case for Event bridge? commencer à apprendre		Creation of non-compliant EC2 instance -> config sees it and sent event to event bridge -> send action to SNS

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