Enumerating Domain Users Using PowerView

Get-DomainUser | select samaccountname

Enumerating Computers using PowerView

Get-DomainComputer | select samaccountname

Enumerating Domain Administrators Members

Get-DomainGroupMember -Identity "Domain Admins"

Enumerating Enterpirse Amdinistrators Members

Get-DomainGroupMember -Identity "Enterprise Admins" -Domain moneycorp.local