A network administrator must use the subnet 172.16.128.0/18 to create 6 additional subnets each containing up to 2000 hosts for local LANs. Which subnet mask should the administrator use to create the new subnets?
- 255.255.224.0
- 255.255.240.0
- 255.255.248.0
- 255.255.252.0
Exam with this question: CCNA Exploration 2: ERouting Final Exam
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