多选题Which two statements are true of a network mask?（）AA subnet mask specifies the portion of an IP address that is in a binary format.BA subnet mask specifies the portion of an IP address that is in a decimal format.CA subnet mask specifies the portion of
题目
多选题
Which two statements are true of a network mask?（）
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.