which address range efficiently summarizes the routing table of the addresses for router main?
A.
172.16.0.0/18
B.
172.16.0.0/16
C.
172.16.0.0/20
D.
172.16.0.0/21
which address range efficiently summarizes the routing table of the addresses for router main?
which address range efficiently summarizes the routing table of the addresses for router main?
http://www.9tut.com/ccna-subnetting-questions-4 — question 3 has the graphic