CompTIA Exam Questions

Which of the following would the security engineer set as the subnet mask for the servers below to u

Which of the following would the security engineer set as the subnet mask for the servers below to
utilize host addresses on separate broadcast domains?
Server 1: 192.168.100.6
Server 2: 192.168.100.9
Server 3: 192.169.100.20

A.
/24

B.
/27

C.
/28

D.
/29

E.
/30