Your startup wants to implement an order fulfillment process for selling a personalized gadget that needs an
average of 3-4 days to produce with some orders taking up to 6 months you expect 10 orders per day on yourfirst day. 1000 orders per day after 6 months and 10,000 orders after 12 months. Orders coming in are checked
for consistency men dispatched to your manufacturing plant for production quality control packaging shipment
and payment processing If the product does not meet the quality standards at any stage of the process
employees may force the process to repeat a step Customers are notified via email about order status and any
critical issues with their orders such as payment failure. Your case architecture includes AWS Elastic Beanstalk
for your website with an RDS MySQL instance for customer data and orders. How can you implement the order
fulfillment process while making sure that the emails are delivered reliably?

A.
Add a business process management application to your Elastic Beanstalk app servers and re-use the ROS
database for tracking order status use one of the Elastic Beanstalk instances to send emails to customers.

B.
Use SWF with an Auto Scaling group of activity workers and a decider instance in another Auto Scaling
group with min/max=1 Use the decider instance to send emails to customers.

C.
Use SWF with an Auto Scaling group of activity workers and a decider instance in another Auto Scaling
group with min/max=1 use SES to send emails to customers.

D.
Use an SQS queue to manage all process tasks Use an Auto Scaling group of EC2 Instances that poll the
tasks and execute them. Use SES to send emails to customers.

Explanation:
http://media.amazonwebservices.com/architecturecenter/AWS_ac_ra_ecommerce_checkout_13.pdf