YouworkasanetworkadministratoratABC.com.TheABC.comnetworkconsistsofasingledomainnamedABC.c
A.Youshoulduseasubnetmaskof255.255.255.0.
B.Youshoulduseasubnetmaskof255.255.248.0
C.Youshoulduseasubnetmaskof255.255.240.0.
D.Youshoulduseasubnetmaskof255.255.224.0
E.Youshoulduseasubnetmaskof255.255.128.0
F.Youshoulduseasubnetmaskof255.255.0.0