Solve problems and answer questions See the tables below Network Mask Bitmask Hosts First host 219 19 29 0 255 255 255 248 219 19 29 0 21 Table 1 Masks and hosts Department Requested size Allocated hosts Subnet Address Mask Accounting 25 Marketing 35 Human Resources 30 Shipping 10 IT 15 Table 2 Organizational subnets IP address Mask bits Dot decimal mask Network address Broadcast address 192 13 109 46 30 3 1 0 1 255 224 0 0 10 99 100 247 10 99 0 0 108 170 192 0 18 Table 3 Masks and broadcast Host Mask Subnet 172 20 34 94 255 255 254 0 172 20 34 94 255 255 224 0 172 20 34 94 255 255 192 0 172 20 34 94 255 255 128 0 172 20 34 94 255 254 0 0 Table 4 Subnets Address Mask Network address First host Last host 192 168 193 203 255 255 255 248 192 168 193 203 255 255 254 0 192 168 193 203 255 255 224 192 168 193 203 252 0 0 0 Table 5 Hosts and networks Name Allocated size Address Mask First host Last host A B C D Table 6 Organizational network Questions What are the subnet mask, first available host address of subnet one (NOT subnet zero), and the maximum number of hosts per subnet for the network below See Table 1 Suppose you are an ISP that owns a 22 IPv4 address block Can you accommodate requests from six customers who need addresses for 9, 15, 20, 41, 128, and 260 computers, respectively If so, how If not, explain why Five departments of the company X requested 10, 15, 25, 30, and 35 host addresses respectively Can this request be accommodated if the available subnet is 192 168 10 0 24 You are designing a subnet mask for the 172 31 0 0 network You want 110 subnets with up to 300 hosts on each subnet What subnet mask should you use What is the last valid host on the subnetwork 172 24 173 128 27 Fill the blanks in Table 3 Fill the blanks in Table 4 Fill the blanks in Table 5 A large number of consecutive IP addresses are available starting at 192 168 0 0 Suppose that four organizations (A, B, C and D) request 4000, 2000, 4000 and 8000 addresses, respectively and in that order For each of these, find the first and the last IP address assigned See Table 6 REFERENCES http en wikipedia org wiki Internet Protocol http www subnet calculator com

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Solve problems and answer questions. See the tables below.

Table 1. Masks and hosts

Table 2. Organizational subnets

Table 3. Masks and broadcast

Table 4. Subnets

Table 5. Hosts and networks

Table 6. Organizational network

Questions

What are the subnet mask, first available host address of subnet one (NOT subnet zero), and the maximum number of hosts per subnet for the network below?. See Table 1.
Suppose you are an ISP that owns a /22 IPv4 address block. Can you accommodate requests from six customers who need addresses for 9, 15, 20, 41, 128, and 260 computers, respectively? If so, how? If not, explain why.
Five departments of the company X requested 10, 15, 25, 30, and 35 host addresses respectively. Can this request be accommodated if the available subnet is 192.168.10.0/24?
You are designing a subnet mask for the 172.31.0.0 network. You want 110 subnets with up to 300 hosts on each subnet. What subnet mask should you use?
What is the last valid host on the subnetwork 172.24.173.128/27?
Fill the blanks in Table 3.
Fill the blanks in Table 4.
Fill the blanks in Table 5.
A large number of consecutive IP addresses are available starting at 192.168.0.0. Suppose that four organizations (A, B, C and D) request 4000, 2000, 4000 and 8000 addresses, respectively and in that order. For each of these, find the first and the last IP address assigned. See Table 6.

REFERENCES

http://en.wikipedia.org/wiki/Internet_Protocol

http://www.subnet-calculator.com/