A user has setup a CloudWatch alarm on an EC2 action when the CPU utilization is above 75%. The alarm sends a notific

ation to SNS on the alarm state. If the user wants to simulate the alarm action how can he achieve this?

A. Run activities on the CPU such that its utilization reaches above 75%

B. From the AWS console change the state to -Alarm-

C. The user can set th

e alarm state to -Alarm- using CLI

D. Run the SNS action manually

Explanation:

Amazon CloudWatch alarms watch a single metric over a time period that the user specifies and performs one or more actions based on the value of the metric relativ

e to a given threshold over a number of time periods. The user can test an alarm by setting it to any state using the SetAlarmState API (mon-set-alarm-state command.. This temporary state change lasts only until the next alarm comparison occurs.

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