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meresponding to the preceding information sequence. Using polynomial arithmetic we obtain
Note: Explain your answer in details.
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)
Suppose a header consists of four 16-bit words: (11111111 11111111, 11111111 00000000, 11110000 11110000, 11000000 11000000). Find the Internet checksum for this code.
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.
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