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.
Explanation:
The subnet mask is a binary pattern that is stored in the client machine, server or router. It is matched with the IP address of a packet to determine which network segment the packet is destined for.
A mask used to determine what subnet an IP address belongs to. An IP address has two components, the network address and the host address.