YournetworkcontainsanExchangeServer2010server.Youneedtoplanamailboxsharingsolutionfortheor

YournetworkcontainsanExchangeServer2010server.Youneedtoplanamailboxsharingsolutionfortheorganizationtomeetsthefollowingrequirements：.Ensurethatassistantscanreadandmodifythee-mailmessagesoftheirmanagers.Ensurethatassistantscanimpersonatetheirmanagerswhentheysende-mailmessagesWhatshouldyouincludeintheplan？（）

A、FullAccessandSendAspermissions

B、FullAccessandsendonbehalfofpermissions

C、RoleBasedAccessControl（RBAC）assignmentsandSendAspermissions

D、RoleBasedAccessControl（RBAC）assignmentsandsendonbehalfofpermissions