Which two statements represent good use cases for Wake on LAN? (Choose two.)

WoL can be used to power-up hosts for on-demand PXE booting.

WoL can be used to power-up hosts for after-hours operating system updates and application patching.

WoL can be used to power-up hosts to access the IPMI.

WoL can be used to save electricity by powering down underused servers and desktops.