Subnetting Test Questions

Subnetting Made Easy
1. Which of the following statements would best describe following the IP address and subnet mask?
192.92.92.56
255.255.255.240
The correct network ID is 192.92.92.0 and the broadcast address is 192.92.92.255.  
 
192.92.92.48 is the correct network ID and the broadcast address is 192.92.92.63.  
 
The correct subnet ID is 192.92.92.48 and the broadcast address is 192.92.92.63.  
 
192.92.92.48 is the correct network ID and the broadcast address is 192.92.92.255.  

2. Which of the following subnet masks would offer 8 usable subnets, with a minimum of 2000 usable hosts per subnet? We have been assigned the following IP address.
192.200.0.0

Choose the best answer.
255.248.0.0  
255.255.240.0  
255.224.0.0  
255.248.0.0  

3. Using the exhibit identify the correct subnet ID and broadcast address. Exhibit
220.24.26.120 would be the correct subnet ID and the broadcast address is 220.24.26.136.  
 
220.24.26.112 would be the correct subnet ID and the broadcast address is 220.24.26.127.  
 
The correct subnet ID is 220.24.26.96 and the broadcast address is 220.24.26.123.  
 
The correct subnet ID is 220.24.26.96 and the broadcast address is 220.24.26.127.  
 

4.Using the following IP addrss and subnet mask identify the correct subnet ID and broadcast address.

192.92.92.56
255.255.255.240
192.92.92.48 is the correct network ID and the broadcast address is 192.92.92.63.  
 
The correct network ID is 192.92.92.0 and the broadcast address is 192.92.92.255.  
 
192.92.92.48 is the correct network ID and the broadcast address is 192.92.92.255.  
 
The correct subnet ID is 192.92.92.48 and the broadcast address is 192.92.92.63.  

5. Identify the network portion of the address shown here.

15.3.128.2
255.255.255.240
The network portion is 15.3 and the host portion is 128.2.  
 
The network portion is 15 and the host portion is 3.128.2.  
 
The network portion is 15.3.128.0 and the host portion is .2.  
 
More information is required to answer which portion is the subnet portion vs. the network portion.  
 
 

6. Which of the following statements would be true in regards to the number of subnets and hosts per subnet if 5 bits were borrowed for subnetting? Use the following IP address and subnet.

194.224.129.199
255.255.255.0

Choose the best answer.
The subnet ID is 194.224.129.192 and the broadcast address will be 194.224.129.201  
 
The subnet ID will be 194.224.129.192 and the broadcast address is 194.224.129.199  
 
The subnet ID will be 194.224.129.188 and the broadcast address is 194.224.129.255.  
 
The broadcast address is 194.224.129.207 and the subnet ID will be 194.224.129.192.  

7. Which of the following statements would be true in regards to the number of subnets and hosts per subnet if 6 bits were borrowed for subnetting? Use the following IP address and subnet mask?

194.224.130.165
255.255.255.0

Choose the best answer.
A total of 62 subnets will be created with 4 usable hosts per subnet.  
 
Borrowing six bits creates two usable subnets with 64 hosts per subnet, and the address in the exhibit has a broadcast address of 194.224.130.191.  
 
Four usable subnets will be created with 32 usable hosts per subnet.  
 
Borrowing six bits will create 62 usable subnets with 2 usable hosts per subnet.  

8. Which of the following subnet masks would offer 155 usable subnets, with a minimum of 192 usable hosts per subnet? We have been assigned the following IP address.
128.167.0.0

Choose the best answer.
255.255.254.0  
255.255.0.0  
255.254.0.0  
255.255.255.0  

9. Using the following IP address and subnet mask identify the correct network ID and broadcast address.

182.134.31.58
255.255.252.0
The network ID is 182.134.28.0 and the broadcast address is 255.255.255.255.  
 
The network ID is 192.134.28.0 and the broadcast address is 182.134.31.255.  
 
The network ID is 182.134.29.0 and the broadcast address is 182.134.31.255.  
 
The network ID is 182.134.31.0 and the broadcast address is 182.134.31.255.  

10. Which of the following subnet masks would offer 60 subnets, and have the ability to add 6 per year for the next six years with each subnet having up to 400 hosts? You have been assigned the following IP address as seen below by your ISP.

180.126.0.0/16

Choose the best answer.
255.255.224.0  
 
255.255.240.0  
 
255.255.254.0  
 
255.255.192.0  


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