Q3. (2 marks)
Suppose the size of an uncompressed text file is 1 megabyte
Note: Explain your answer in details.
a. How long does it take to download the file over a 32 kilobit/second modem?
b. How long does it take to take to download the file over a 1 megabit/second modem?
c. Suppose data compression is applied to the text file. How much do the transmission times in parts (a) and (b) change?
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?
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