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Answer: Create an Amazon CloudWatch Synthetics heartbeat monitoring canary. Associate the canary with the website's URL for end users. Create a CloudWatch alarm for the canary. Configure the alarm to publish an SNS notification if the value of the SuccessPercent metric is less than 99%.
CloudWatch Synthetics canaries simulate user traffic from multiple locations, providing uptime % (SuccessPercent). Heartbeat canary checks if site loads, giving accurate user experience view from global points. Alarm on <99% to SNS. Logs for errors not direct uptime from user perspective, anomaly not specific.
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A company needs to monitor its website’s availability to end users. The company needs a solution to provide an Amazon SNS notification if the website's uptime decreases to less than 99%. The monitoring must provide an accurate view of the user experience on the website. Which solution will meet these requirements?
A
Create an Amazon CloudWatch alarm that is based on the website's logs that are published to a CloudWatch Logs log group. Configure the alarm to publish an SNS notification if the number of HTTP 4xx errors and 5xx errors exceeds a specified threshold.
B
Create an Amazon CloudWatch alarm that is based on the website's published metrics in CloudWatch. Configure the alarm to publish an SNS notification that is based on anomaly detection.
C
Create an Amazon CloudWatch Synthetics heartbeat monitoring canary. Associate the canary with the website's URL for end users. Create a CloudWatch alarm for the canary. Configure the alarm to publish an SNS notification if the value of the SuccessPercent metric is less than 99%.
D
Create an Amazon CloudWatch Synthetics broken link checker monitoring canary. Associate the canary with the website's URL for end users. Create a CloudWatch alarm for the canary. Configure the alarm to publish an SNS notification if the value of the SuccessPercent metric is less than 99%.
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