When designing a typical three$-$tier web application, which AWS services and$/$or features improve availability and reduce the impact failures? $($Choose two.$)$

Question $21$ options:

AWS Auto Scaling for Amazon EC$2$ instances

Amazon VPC subnet ACLs to check the health of a service

Distributed resources across multiple Availability Zones

AWS Server Migration Service $($AWS SMS$)$ to move Amazon EC$2$ instances into a different Region

Distributed resources across multiple AWS points of presence