1 NET 323 NETWORKS PROTOCOLS Networks and Communication

1 NET 323 NETWORKS PROTOCOLS Networks and Communication Systems Department Subnetting Exercises

Question # 1 2 An organization is granted the block 211. 17. 180. 0/24. The administrator wants to create 32 subnets. 1. Find the subnet mask. 2. Find the number of address in each subnet 3. Find the first and last address in subnet 1 Networks and Communication Systems Department

Answer 3 Networks and Communication Systems Department

Answer cont. 4 3. Find the first and last address in subnet 1 Networks and Communication Systems Department

Question # 2 5 An organization is granted a block of addresses 192. 168. 1. 0/24. The organization has three branches and needs to divide the addresses into three subnets (each subnet has 6 hosts) Find the subnet mask, subnet and broadcast address for each subnet. Networks and Communication Systems Department

Answer 6 Networks and Communication Systems Department

Answer cont. 7 Subnet # Subnet address Broadcast address hosts 1 192. 168, 1. 0/29 192. 168. 1. 7 192. 168. 1. 1 - 191. 168. 1. 6 2 192. 168, 1. 8/29 192. 168. 1. 15 192. 168. 1. 9 - 191. 168. 1. 14 3 192. 168, 1. 16/29 192. 168. 1. 23 192. 168. 1. 17 - 191. 168. 1. 22 Networks and Communication Systems Department

Question # 3 8 An organization is granted a block of addresses 208. 3. 30. 0/24 The organization has three offices and needs to divide the addresses into three subnets and each subnet has 10 hosts. Find the subnet mask, subnet and broadcast address for each subnet. Networks and Communication Systems Department

Answer 9 Networks and Communication Systems Department

Answer cont. 10 Subnet # Subnet address Broadcast address hosts 1 208. 3. 30. 0/28 208. 3. 30. 15 208. 3. 30. 1 - 208. 3. 30. 14 2 208. 3. 30. 16/28 208. 3. 30. 31 208. 3. 30. 17 - 208. 3. 30 3 208. 3. 30. 32/28 208. 3. 30. 47 208. 3. 30. 33 - 208. 3. 30. 46 Networks and Communication Systems Department

Question # 4 11 An organization is granted a block of addresses 200. 3. 2. 0/24 The organization has three offices in different cities and needs to divide the addresses into three subnets as the following table: City Number of hosts Riyadh 40 Jeddah 10 Dammam 6 Find the subnet mask, the subnet and broadcast address for each subnet. Networks and Communication Systems Department

Answer 12 Networks and Communication Systems Department

Answer cont. 13 Networks and Communication Systems Department

Answer cont. 14 Networks and Communication Systems Department

Answer cont. 15 Subnet # Subnet address Broadcast address hosts Riyadh 200. 3. 2. 0/26 200. 3. 2. 63 200. 3. 2. 1 -200. 3. 2. 62 Jeddah 200. 3. 2. 64/28 200. 3. 2. 79 200. 3. 2. 65 - 200. 3. 2. 78 Dammam 200. 3. 2. 80/29 200. 3. 2. 87 200. 3. 2. 81 - 200. 3. 2. 86 Networks and Communication Systems Department