Which of the following are characteristics of Amazon VP…

Which of the following are characteristics of Amazon VPC subnets? Choose 2 answers

A.
Each subnet spans at least 2 Availability Zones to provide a high-availability environment.

B.
Each subnet maps to a single Availability Zone.

C.
CIDR block mask of/25 is the smallest range supported.

D.
By default, all subnets can route between each other, whether they are private or public.

E.
Instances in a private subnet can communicate with the Internet only if they have an Elastic IP.