1.2 A firm is assigned the network part 128.171. It selects a 10-bit subnet part.

a) Draw the bits for the four octets of the IP address of the first host on the first subnet. (Hint: as we donât use all 1 or all 0, the 1st subnet/host is 00â¦01, while the last subnet/host is 11â¦10. The number of 1&0 in the expression depends on the length of subnet/host part)

b) Convert this answer into dotted decimal notation.

c) Draw the bits for the second host on the third subnet. (In binary, 2 is 10, while 3 is 11.)

d) Convert this into dotted decimal notation.

e) Draw the bits for the last host on the third subnet.

f) Convert this answer into dotted decimal notation.

 

Q.2. Visit calstate.edu, login the system with your id/password. Use Wireshark to capture this process.

Find the packets with following protocols,

1) TCP:

2) UDP:

3) HTTP;

and answer the following questions:

a)     What's the source/destination IP address?

b)     What type of protocol is it?

c)     what are the source and destination port numbers?

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