| Exam 300-320 | Question id=2569 | Addressing and Routing for Enterprise Networks | 
        Which route summarization most efficiently reduces perceived network complexity that is composed of subnetworks ranging from 172.16.20.0/24 to 172.16.36.0/24?
      
| A. | 
            172.16.8.0/21 | |
| B. | 
            172.16.8.0/19 | |
| C. | 
            172.16.20.0/20 | |
| D. | 
              172.16.0.0/18 | |
| E. | 
            172.16.20.0/19 |