What are two valid Redundancy options for the Citrix License Server? (Choose two.)

Which two statements are true for a Workspace Environment Management (WEM) configuration set? (Choose two.)

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?

Scenario: A Citrix Engineer needs to make a change to the OS Layer. The OS Layer is currently used in several layered images that include different application layers.
Which two steps should the engineer take to make the necessary changes to the OS Layer and the layered images while minimizing administrative effort? (Choose two.)

Which component must a Citrix Engineer use to configure security settings on User Layer folders?