A retail website will run on Amazon EC$2$ instances behind an Application Load Balancer $($ALB$).$ The website must be accessible on example.com and www$.$example.com.

A network engineer has created a public hosted zone in Amazon Route $53.$ Which records should be created to meet the requirements?

A$.$ An ALIAS record for example.com pointing to the ALB and an ALIAS record for www$.$example.com pointing to the ALB.

B$.$ A CNAME record for example.com pointing to the ALB and a CNAME record for www$.$example.com pointing to the ALB.

C$.$ An ALIAS record for example.com pointing to the ALB and a CNAME record for www$.$example.com pointing to the ALIAS record for example.com.

D$.$ An A record for example.com pointing to the IP addresses of the ALB and a CNAME record for www$.$example.com pointing to the A record for example.com.