What should the engineer increase in the StoreFront server group to prevent issues in the scalability?

Scenario: A large company recently acquired a smaller company. A Citrix Engineer needs to add more resources in the environment, so that all users can access the published resources.

The engineer has planned to add six more StoreFront servers to the existing StoreFront server group with four StoreFront servers.

The engineer found that the scalability declined after reaching the seventh StoreFront.

What should the engineer increase in the StoreFront server group to prevent issues in the scalability?
A . The RAM for the initial StoreFront servers before adding more servers.
B . The CPUs allocated to the initial StoreFront servers, before adding more servers.
C . The RAM for the six new StoreFront servers.
D . The CPUs allocated for the six new StoreFront servers.

Answer: B

Explanation:

Reference: https://docs.citrix.com/en-us/storefront/current-release/plan.html