An administrator needs to create a subnet that will accommodate up to 4000 hosts on the same subnet but not more than 6000. Which of the following network addresses would the administrator use to accommodate this request?
A.
10.4.4.0/22
B.
10.10.1.0/19
C.
172.31.146.0/20
D.
192.168.100.0/23
/20 would allow 2046 hosts.
/19 would allow 4094 hosts.
I used a cheat sheet for this answer.
http://www.subnetting.net/Tutorial.aspx