Select the correct statement$($s$)$ regarding DHCP $($dynamic host configuration protocol$).$

a$.$ DHCP maps intranet IP addresses to Internet IP addresses

b$.$ DHCP is the protocol used to map Ethernet MAC addresses to IPv$4$ addresses

c$.$ DHCP is a protocol that allows nodes to be assigned IP addresses automatically, manually, or on a temporary basis

d$.$ a and b are correct