You have an address range of 172.16.20.192 to 172.16.20.223. Which two configuration
commands are used in configuring the area 3 border router for network summarization? (Choose
two.)

A.
network 172.16.20.192 255.255.255.224 area 3

B.
area 3 range 172.16.20.192 255.255.255.224

C.
network 172.16.20.192 0.0.0.31 area 3

D.
area 3 range 172.16.20.192 172.16.20.223