Q4. (2 marks)
A router has the following CIDR entries in its routing table:
Address/mask Next hop
135.46.56.0/22 Interface 0
135.46.60.0/22 Interface 1
192.53.40.0/23 Router 1
default Router 2
(a) What does the router do if a packet with an IP address 135.46.63.10 arrives?
(b) What does the router do if a packet with an IP address 135.46.57.14 arrives?
Q5. (2 marks)
A Large number of consecutive IP address are available starting at 198.16.0.0.
Suppose four organizations, A, B, C, D request 4000, 2000, 4000, and 8000 addresses, respectively. For each of these organizations, give:
1. the first IP address assigned
2. the last IP address assigned
3. the mask in the w.x.y.z/s notation
The start address, the ending address, and the mask are as follows:
Note:
Students have to follow the steps and complete the tasks in details in order to have the results. If the students only write the result, that is, that result is not marked or recorded.
Students do examination on word file and answer by English
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