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Question 361 - SOA-C02 discussion

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A company is using an Amazon EC2 Auto Scaling group to support a workload A Sytfhe company now needs to centruito Scaling group is configured with two similar scaling policies dP) to centrally manage access to One scaling policy adds 5 instances when CPU utilization reaches 80%. The other sctrator can connect to the extemahen CPU utilization leaches 80%.

What will happen when CPU utilization reaches the 80% threshold?

A.
Amazon EC2 Auto Scaling will add 5 instances
Answers
A.
Amazon EC2 Auto Scaling will add 5 instances
B.
Amazon EC2 Auto Scaling will add 10 instances
Answers
B.
Amazon EC2 Auto Scaling will add 10 instances
C.
Amazon EC2 Auto Scaling will add 15 instances.
Answers
C.
Amazon EC2 Auto Scaling will add 15 instances.
D.
The Auto Scaling group will not scale because of conflicting policies
Answers
D.
The Auto Scaling group will not scale because of conflicting policies
Suggested answer: B

Explanation:

Scaling Policies in Auto Scaling:

When multiple scaling policies trigger at the same time, each policy is executed independently.

If both policies are set to add 5 instances when CPU utilization reaches 80%, they will both be executed when the threshold is met.

Therefore, the total number of instances added will be the sum of the instances specified in both policies.

In this case, 5 instances from one policy and 5 instances from the other policy will result in a total of 10 instances being added.

Steps to Configure and Verify Scaling Policies:

Go to the AWS Management Console.

Navigate to EC2 and select 'Auto Scaling Groups.'

Select your Auto Scaling group and review the scaling policies.

Ensure that both scaling policies are configured to trigger at 80% CPU utilization.

Monitor the Auto Scaling group's activity to verify the addition of instances when the CPU utilization threshold is reached.


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asked 16/09/2024
Vladimir Kiseliov
37 questions
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