Pls give me answers for those: 1.To upgrade Windows PowerShell to a newer version, we need to download and install this!
2.To update the Windows PowerShell Help System, we should use this SwitchParameter with the Update-Help cmdlet because PowerShell only updates the help files once every 24 hours.
3.If we want to find all cmdlets in the ActiveDirectory module, we should use this 4.parameter with the Get-Command cmdlet to filter our query.
Name two aliases for the Get-ChildItem cmdlet.