which of the following are valid host addresses on this subnet?

Given the address 192.168.20.19/28, which of the following are valid host addresses on this
subnet? (Choose two.)

A.
192.168.20.29

B.
192.168.20.16

C.
192.168.20.17

D.
192.168.20.31

E.
192.168.20.0