A.Delegate appropriate Active Directory permissions to the junior IT administrators
B.Add the junior IT administrators’ user accounts to the Domain Admins user group
C.Create a custom Microsoft Management Console （MMC） that uses taskpad views to enable the appropriate tasks for the junior IT administrators
D.Make the junior IT administrators’ domain user accounts member of the local Administrators group on all client computers
E.Create new domain user accounts for each junior IT administrator. Make the new accounts members of the Domain Admins group and instruct junior IT administrators to use the new accounts only for appropriate administrative tasks

A.A virus that infects an IT administrator’s client computer could gain domain administrator privileges
B.Couriers could gain access to domain administrator privileges
C.Business office staff could discover couriers’ passwords and use them to access couriers’ information
D.All users could use their user accounts to gain the ability to install untested security patches on their client computers