Briefing Amazon Knowledge

Which of the below are viable mitigation techniques?

You are designing a social media site and are considering how to mitigate distributed denial-ofservice (DDoS) attacks.
Which of the below are viable mitigation techniques? Choose 3 answers

A.
Use Dedicated Instances to ensure that each Instance has the maximum performance possible.

B.
Add alerts to Amazon CloudWatch to look for high Network In and CPU utilization.

C.
Create processes and capabilities to quickly add and remove rules to the instance OS firewall.

D.
Use an Elastic Load Balancer with auto scaling groups at the web, app, and Amazon Relational
Database Service (RDS) tiers.

E.
Use an Amazon CloudFront distribution for both static and dynamic content.

F.
Add multiple elastic network Interfaces (ENIs) to each EC2 instance to Increase the network
bandwidth.