A company wants to detect when an EC2 instance's CPU utilization remains above 90% for more than 15 consecutive minutes. Which CloudWatch alarm configuration should be used?
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A
Set threshold to 90%, period to 900 seconds, evaluation periods to 1
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B
Set threshold to 90%, period to 300 seconds, evaluation periods to 3
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C
Set threshold to 90%, period to 60 seconds, evaluation periods to 15
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D
Set threshold to 90%, period to 900 seconds, evaluation periods to 3