Data Communication & Network CCNA Which two subnetworks would be included in the summarized address of 172.31.80.0/20? (Choose two.)

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

Answer: D,E

Data Communication & Network