Exam AWS-SysOps topic 1 question 185 discussion

Exam question from Amazon's AWS-SysOps

Question #: 185
Topic #: 1

A user has hosted an application on EC2 instances. The EC2 instances are configured with ELB and Auto Scaling. The application server session time out is 2 hours. The user wants to configure connection draining to ensure that all in-flight requests are supported by ELB even though the instance is being deregistered.
What time out period should the user specify for connection draining?

A. 5 minutes
B. 1 hour
C. 30 minutes
D. 2 hours

Show Suggested Answer

Suggested Answer: B 🗳️
When you enable connection draining, you can specify a maximum time for the load balancer to keep connections alive before reporting the instance as de- registered. The maximum timeout value can be set between 1 and 3,600 seconds (the default is 300 seconds). When the maximum time limit is reached, the load balancer forcibly closes connections to the de-registering instance.
Reference:
http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/config-conn-drain.html

by awscertified at March 5, 2020, 8:14 p.m.

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Comments

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Lank

8 months, 2 weeks ago

It's an ASG. Unhealthy instances will be terminated and a new instance will be spun back up with the ASGs Launch Template using whatever AMI and configuration you have set. You can also configure an ASG to terminate certain instances such as oldest first.

upvoted 1 times

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waterzhong

11 months ago

Which Amazon Web Services (AWS) service assists in automating this process? i think the answer should be ASG or LB ??

upvoted 1 times

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NivNZ

1 year, 6 months ago

B because the maximum timeout value can be set between 1 and 3,600 seconds (the default is 300 seconds)

upvoted 3 times

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awscertified

1 year, 7 months ago

B. 1 hour