Subnetting Practice Exercises :
1. For a /26:
What is the block size:
How many usable hosts does the subnet have:
What is the subnet mask for the last octet:
How many subnets of this size are possible in a class C:
Write the last netmask octet in binary:
2. For a /30:
What is the block size:
How many usable hosts does the subnet have:
What is the subnet mask for the last octet:
How many subnets of this size are possible in a class C:
Write the last netmask octet in binary:
3. IP address: 192.168.1.0
Netmask or slash notation: /30
Address:
Broadcast:
Netmask:
Slash:
First Usable Host:
Last Usable Host:
Usable Hosts:
4. IP address: 192.250.8.16
Netmask or slash notation: /28
Address:
Broadcast:
Netmask:
Slash:
First Usable Host:
Last Usable Host:
Usable Hosts:
5. IP address: 192.240.4.32
Netmask or slash notation: /26
Address:
Broadcast:
Netmask:
Slash:
First Usable Host:
Last Usable Host:
Usable Hosts:
6. What is the maximum number of valid hosts one will have from the network 192.168.49.0 255.255.255.192
Answer:
7. What is the subnet mask in use in this network?
VLAN A – 30 hosts – 192.168.9.30
VLAN B – 15 hosts – 192.168.9.61
Answer:
8. What is the subnet mask in use in this network?
VLAN A – 1host – 192.168.207.1
VLAN B – 2 hosts – 192.168.207.6
Answer:
9. How many usable subnets do you have when using a subnet mask of 255.255.255.240 on Network ID 201.114.168?
Answer:
10. You are given Network ID 222.72.157 with a subnet mask of 255.255.255.248 to setup. How many subnets and hosts will you have?
Answer: