whichaddressrangeefficientlysummarizestheroutingtableoftheaddressesforroutermain?() A.172.16.0.0/18B.172.16.0.0/16C.172.16.0.0/20D.172.16.0.0/21
whichaddressrangeefficientlysummarizestheroutingtableoftheaddressesforroutermain?()
A.172.16.0.0/18
B.172.16.0.0/16
C.172.16.0.0/20
D.172.16.0.0/21