Enumerating OUs using PowerView

Get-DomainOU | select name,displayname

Listing all machines in the Student Machines OU

(Get-DomainOU -Identity StudentMachines).distinguishedname | %{Get-DomainComputer -SearchBase $_} | select name

Enumerating All the GPOs

Get-DomainGPO | select displayname,name

Enumerating GPOs Applied on the Students Machine OUs

Get-DomainGPO -Identity '{7478F170-6A0C-490C-B355-9E4618BC785D}'