You have two Skype for Business Server 2015 Front End servers. You plan to install a third Front End server. User1 must

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You have two Skype for Business Server 2015 Front End servers.
You plan to install a third Front End server. User1 must be able to install a new Skype for Business Server 2015 Frond End server.
You need to delegate the minimum level of Skype for Business Server permissions to User1.
Which two actions should you perform? Each correct answer presents part of the solution. (Choose two.)

A. From Skype for Business Management Shell, run the following cmdlet: Grant-CsSetupPermission –ComputerOU "ou=CsServers,dc=litwareinc,dc=com"
B. Assign User1 the CsServerAdministrator role.
C. Grant User1 membership to the RTCUniversalServerAdmins group.
D. Grant User1 membership to the RTCUniversalUserAdmins group.
E. Assign User1 the CsLocationAdministrator role.
F. From Skype for Business Management Shell, run the following cmdlet: Update-CsAdminRole