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A company manages a multi-tier social media application that runs on Amazon Elastic Compute Cloud (Amazon EC2) instances behind an Application Load Balancer. The instances run in an Amazon EC2 Auto Scaling group across multiple Availability Zones (AZs) and use an Amazon Aurora database. As an AWS Certified Solutions Architect – Associate, you have been tasked to make the application more resilient to periodic spikes in request rates. Which of the following solutions would you recommend for the given use-case? (Select two)