A company wants to run a highly available web tier by using two EC2 instances and a load balancer. Which design is valid and provides the highest availability?

Question

Accepted Answer

Two different subnets, one per Availability Zone. Each subnet contains one EC2 instance.

Answer

Two different subnets in the same Availability Zone. Each subnet contains one EC2 instance.

Answer

One subnet, which spans two Availability Zones. Each Availability Zone contains one EC2 instance.

Answer

One subnet in one Availability Zone. The subnet contains two EC2 instances.

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A company wants to run a highly available web tier by using two EC2 instances an...

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