Exam ANS-C00 topic 1 question 28 discussion

Exam question from Amazon's ANS-C00

Question #: 28
Topic #: 1

Your application is hosted behind an Elastic Load Balancer (ELB) within an autoscaling group. The autoscaling group is configured with a minimum of 2, a maximum of 14, and a desired value of 2. The autoscaling cooldown and the termination policies are set to the default value.
CloudWatch reports that the site typically requires just two servers, but spikes at the start and end of the business day can require eight to ten servers. You receive intermittent reports of timeouts and partially loaded web pages.
Which configuration change should you make to address this issue?

A. Configure connection draining on the ELB.
B. Configure the autoscaling cooldown to 600 seconds.
C. Configure the termination policy to oldest instance.
D. Configure a Terminating: Wait lifecycle hook on a scale in event.

Show Suggested Answer

Suggested Answer: A 🗳️
References:
https://docs.aws.amazon.com/autoscaling/ec2/userguide/attach-load-balancer-asg.html

by Rim007 at Nov. 25, 2019, 11:48 p.m.

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Comments

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AdamSmith

Highly Voted 3 years, 8 months ago

"timeout of partially loaded pages" => the instance that users are connecting to is terminated due to scale in. => Enable connection draining, A is correct.

upvoted 10 times

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Rim007

Highly Voted 3 years, 8 months ago

A looks correct to me.

upvoted 6 times

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PavanKushwah123

Most Recent 2 years, 5 months ago

Correct Answer A

upvoted 1 times

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Dub2020

3 years ago

https://aws.amazon.com/blogs/aws/elb-connection-draining-remove-instances-from-service-with-care/

upvoted 2 times

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ChauPhan

3 years, 7 months ago

A. Configure connection draining on the ELB.

upvoted 1 times

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liono

3 years, 7 months ago

AWS ELB connection draining prevents breaking open network connections while taking an instance out of service, updating its software, or replacing it with a fresh instance that contains updated software. A is correct

upvoted 4 times

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backfringe

3 years, 7 months ago

I think its A

upvoted 2 times

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BillyC

3 years, 8 months ago

Yes A is correct!

upvoted 4 times

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