A user has launched an EC2 instance. The user is planning to setup the CloudWatch alarm. Which of the
below mentioned actions is not supported by the CloudWatch alarm?
A.
Notify the Auto Scaling launch config to scale up
B.
Send an SMS using SNS
C.
Notify the Auto Scaling group to scale down
D.
Stop the EC2 instance
Explanation:
A user can create a CloudWatch alarm that takes various actions when the alarm changes state. An alarm
watches a single metric over the time period that the user has specified, and performs one or more actions
based on the value of the metric relative to a given threshold over a number of time periods. The actions could
be sending a notification to an Amazon Simple Notification Service topic (SMS, Email, and HTTP end
point.,notifying the Auto Scaling policy or changing the state of the instance to Stop/Terminate.
Anser is A. CloudWatch cannot change the auto-scaling launch configuration.
B – It can send an SMS with SNS
C – Auto-scaling uses ClouWatch metrics to scale up and down.
D – CloudWatch can stop instances
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I agree with you.
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Seb and Venkat, I do not agree. IT should be A. IT does not say that iT changes the auto-scaling config. IT states that iT Notifies the auto-scaling Group.
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A.
Notify the Auto Scaling launch config to scale up
Cannot change the launch config automagically.
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Hell no. It should be A. Cloudwatch can notify the AS but not the launch config
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A
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cloud watch can notify the ASG but not the Auto Scaling launch config.
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The correct answer is: B) Send an SMS using SNS
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From “what actions can i take from a cloud watch alarm?”
https://aws.amazon.com/cloudwatch/faqs/
Since Amazon CloudWatch alarms are integrated with Amazon Simple Notification Service, you can also use any notification type supported by SNS; This means SMS text messaging is supported, the answer is A
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a
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A
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Q: What actions can I take from a CloudWatch Alarm?
When you create an alarm, you can configure it to perform one or more automated actions when the metric you chose to monitor exceeds a threshold you define. For example,
you can set an alarm that sends you an email,
publishes to an SQS queue,
stops or terminates an Amazon EC2 instance,
or executes an Auto Scaling policy.
Since Amazon CloudWatch alarms are integrated with
answer is A
https://aws.amazon.com/cloudwatch/faqs/
Amazon Simple Notification Service, you can also use any notification type supported by SNS
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aaaaaaaaaaaaa
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A
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A、
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A
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AC
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A – Launch config can not be changed at all (it can only be replaced)
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