You are designing a system which needs, at minumum, 8 m4.large instances operating to service traffic. When designing a system for high availability in the us-east-1 region, which has 6 Availability Zones, you company needs to be able to handle death of a full availability zone. How should you distribute the servers, to save as much cost as possible, assuming all of the EC2 nodes are properly linked to an ELB? Your VPC account can utilize us-east-1's AZ's a through f, inclusive.
A) 3 servers in each of AZ's a through d, inclusive.
B) 8 servers in each of AZ's a and b.
C) 2 servers in each of AZ's a through e, inclusive.
D) 4 servers in each of AZ's a through c, inclusive.

Question

Quizplus · Accepted Answer

Distributing 2 servers in each of AZ's a through e ensures that if one AZ fails, there are still 8 servers running across the remaining AZs, meeting the minimum requirement while minimizing costs.

You Are Designing a System Which Needs, at Minumum, 8