Amazon Exam BDS-C00 Topic 9 Question 76 Discussion

Actual exam question for Amazon's BDS-C00 exam

Question #: 76
Topic #: 9

Your company operates a website for promoters to sell tickets for entertainment events. You are using a load balancer in front of an Auto Scaling group of web server. Promotion of popular events can cause surges of websites visitors. During scaling-out at theses times, newly launched instances are unable to complete configuration quickly enough, leading to user disappointment.

What option should you choose to improve scaling yet minimize costs? Choose 2 answers

ACreate an AMI with the application pre-configured. Create a new Auto Scaling launch configuration using this new AMI, and configure the Auto Scaling group to launch with this AMI

BUse Auto Scaling pre-warming to launch instances before they are required. Configure pre-
warming to use the CPU trend CloudWatch metric for the group

CPublish a custom CloudWatch metric from your application on the number of tickets sold, and create an Auto Scaling policy based on this

DUsing the history of past scaling events for similar event sales to predict future scaling
requirements. Use the Auto Scaling scheduled scaling feature to vary the size of the fleet

EConfigure an Amazon S3 bucket for website hosting. Upload into the bucket an HTML holding page with its 'x-amz-website-redirect-location' metadata property set to the load balancer endpoint. Configure Elastic Load Balancing to redirect to the holding page when the load on web servers is above a certain level

Show Suggested Answer

Suggested Answer: D

by Arthur at Jul 09, 2023, 11:43 PM

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Mel

22 hours ago

I think option A could help by reducing the time it takes for new instances to configure

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