CCNA 3 Labs and Study Guide - BINARYBB.INFO – @jagalbraith

4. Use subnet 4 from the last question and further subnet this address to provide eight additional subnets
with at least ten hosts per subnet. List the first five subnets in network address/prefix format. What
would be the last subnet?
172.16.42.112/28
Subnet No. Network Address/Prefix
0 172.16.42.0/28
1 172.16.42.16/28
2 172.16.42.32/28
3 172.16.42.48/28
4 172.16.42.64/28
5. Use subnet 0 from the last question and further subnet this address to provide four additional subnets
to be used for point-to-point links. List all four subnets in network address/prefix format.
Subnet No. Network Address/Prefix
0 172.16.42.0/30
1 172.16.42.4/30
2 172.16.42.8/30
3 172.16.42.12/30
6. Use the subnet 10.1.0.0/16 and further subnet this address to provide 30 additional subnets with at
least 2000 hosts per subnet. List the first five subnets in network address/prefix format. What would
be the last subnet?
10.1.248.0/21
Subnet No. Network Address/Prefix
0 10.1.0.0/21
1 10.1.8.0/21
2 10.1.16.0/21
3 10.1.24.0/21
4 10.1.32.0/21
Chapter 1: Introduction to Classless Routing 11