CloudWatch alarms in AWS - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to specify the metric name for the CloudWatch alarm.

AWS

MetricName: "[1]"

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AStatusCheckFailed

BDiskReadOps

CNetworkIn

DCPUUtilization

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing a metric that does not exist or is unrelated to CPU usage.

The metric name CPUUtilization is commonly used to monitor CPU usage in CloudWatch alarms.

2fill in blank

medium

Complete the code to set the comparison operator for the alarm.

AWS

ComparisonOperator: "[1]"

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AEqualToThreshold

BLessThanThreshold

CGreaterThanThreshold

DNotEqualToThreshold

Attempts:

3 left

💡 Hint

Common Mistakes

Using LessThanThreshold when you want to detect high values.

The GreaterThanThreshold operator triggers the alarm when the metric value is higher than the threshold.

3fill in blank

hard

Fix the error in the alarm configuration by completing the missing statistic field.

AWS

Statistic: "[1]"

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AAverage

BMaximum

CMinimum

DSum

Attempts:

3 left

💡 Hint

Common Mistakes

Using Sum when you want the average value.

The Average statistic is commonly used to evaluate the average value of the metric over the period.

4fill in blank

hard

Fill both blanks to set the alarm threshold and evaluation periods.

AWS

Threshold: [1], EvaluationPeriods: [2]

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A80

B3

C5

D1

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing threshold with evaluation periods values.

The threshold is set to 80 to trigger the alarm when the metric exceeds 80. The alarm evaluates over 3 periods to confirm the condition.

5fill in blank

hard

Fill all three blanks to complete the alarm action configuration.

AWS

AlarmActions: ["[1]"], OKActions: ["[2]"], InsufficientDataActions: ["[3]"]

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Aarn:aws:sns:us-east-1:123456789012:NotifyMe

Barn:aws:sns:us-east-1:123456789012:ClearNotify

Carn:aws:sns:us-east-1:123456789012:DataMissingNotify

Darn:aws:sns:us-east-1:123456789012:OtherTopic

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up the ARNs for different alarm states.

The AlarmActions ARN sends notifications when the alarm triggers. OKActions ARN sends notifications when the alarm recovers. InsufficientDataActions ARN sends notifications when data is missing.