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?

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

Explanation:
Using this option will result in all three servers using host addresses on different broadcast
domains.