Which two statements are true of a network mask? (Choose two.)
A.
A subnet mask specifies the portion of an IP address that is in a binary format.
B.
A subnet mask specifies the portion of an IP address that is in a decimal format.
C.
A subnet mask specifies the portion of an IP address that represents a network prefix.
D.
A subnet mask specifies the portion of an IP address that represents network hosts.