Cisco Exam Questions

Which two subnetworks would be included in the summarized address of 172.31.80.0 /20?

Which two subnetworks would be included in the summarized address of 172.31.80.0 /20? (Choose two.)

A.
172.31.17.4/30

B.
172.31.51.16/30

C.
172.31.64.0/18

D.
172.31.80.0/22

E.
172.31.92.0/22

F.
172.31.192.0/18