How can a Citrix Engineer setup synchronization of subscription data between server groups using a replication schedule?

Which User Layer requires the least amount of administrative effort to store user settings limited to Microsoft Outlook data and settings for a hosted shared desktop solution based on Windows Server 2012?

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 is working on a Citrix Virtual Apps and Desktops deployment.
The current setup has the following characteristics:
* Three data centers (A, B, and C), each with a large user base.
* Network latency between these datacenters is more than 300 ms RTT because they are located at geographically far distances.
Which design should the engineer choose to ensure optimum performance?

Which command can a Citrix Engineer use to get information about a Citrix Virtual Apps and Desktops setup?