CS University
Network Protocols and Communication
Practice Exercises & Quiz + correction (in red)
Exercise 1
For the following addresses:
1. 202.2.48.149
2. 97.124.36.142
Give :
1. The address class.
2. Default network mask.
3. Network address.
4. The modified mask if the networks have (1) 15 and (2) 200 subnets respectively.
5. Subnet address and number.
6. The number of the machine on the subnet.
7. Usable address ranges for the first three subnets.
Solution :
For address 202.2.48.149
1. The first byte of the address is 11001010 in binary. The first three bits indicate that this is a class C
address. (0.5pt)
1
Network Protocols and Communication
Practice Exercises & Quiz + correction (in red)
Exercise 1
For the following addresses:
1. 202.2.48.149
2. 97.124.36.142
Give :
1. The address class.
2. Default network mask.
3. Network address.
4. The modified mask if the networks have (1) 15 and (2) 200 subnets respectively.
5. Subnet address and number.
6. The number of the machine on the subnet.
7. Usable address ranges for the first three subnets.
Solution :
For address 202.2.48.149
1. The first byte of the address is 11001010 in binary. The first three bits indicate that this is a class C
address. (0.5pt)
1
