1. What is the maximum number of useable hosts on the network 210.126.48.183/29
2. What is the /notation (CIDR notation) for the subnet mask 255.255.255.224?
3. What is the Network, Broadcast address, and Host range for the network this host belongs to?
200.150.50.100/27
4. If you have a network with 22 host bits, how many network bits are there?
5. What is the dotted decimal subnet mask for a /26 network? Why do you need to know this?
6. If you have a LAN that requires 115 useable hosts, what subnet mask would you assign?
9. How many useable hosts are on a /28 network?
10. If you have a network with 60 usable hosts, what is the most efficient subnet mask if you do not expect growth?

More below 

Network & Host Identification

Q11 – 15. Circle the network portion of these addresses (5 points each) First 2 answers given:
177.100.18.4 255.255.0.0
119.18.45.0 255.0.0.0
209.240.80.78 255.255.255.0
190.155.77.56 255.255.0.0
117.89.56.45 255.0.0.0
158.98.80.0 255.255.0.0
193.42.1.1 255.255.255.0

Q16 – 20 Circle the host portion of these addresses (5 points each) First 2 answers given:
10.15.123.50 255.0.0.0
171.2.199.31 255.255.0.0
198.15.87.17 255.255.255.0
17.145.222.45 255.0.0.0
191.41.35.112 255.255.0.0
115.205.69.27 255.255.0.0
192.115.55.2 255.255.255.0

Q21 – 25 CIDR notation First 2 answers given:
If the dotted decimal subnet mask is given give me the CIDR notation
If the CIDR notation subnet mask is given give me the dotted decimal notation
255.255.240.0 /20_____________________________
/19 255.255.224.0____________________
255.224.0.0 __________________________
255.255.128.0 __________________________
/28 __________________________
/9 __________________________
255.255.255.192 __________________________

Sample Solution