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A sender needs to send the four data items (3456) 16 , (ABCC) 16 , (02BC) 16 , and (EEEE) 16 ....

A sender needs to send the four data items (3456) 16 , (ABCC) 16 , (02BC) 16 , and (EEEE) 16 ....

A sender needs to send the four data items (3456)16, (ABCC) 16, (02BC) 16, and (EEEE) 16.
Answer the following:
a. Find the checksum at the sender site.
b. Find the checksum at the receiver site if there is no error.
c. Find the checksum at the receiver site if the second data item is changed to
(ABCE)16.
d. Find the checksum at the receiver site if the second data item is changed to
(ABCE)16 and the third data item is changed to (02BA)16.

Question 2:

Detect and correct the error in the codeword 10011110101 at the receiver site, by using Hamming code?

Question 3:

Find the class of the following IP addresses.

  1. 208.34.54.12
  2. 238.34.2.1
  3. 114.34.2.8
  4. 129.14.6.8

Question 4:

  1. In a block of addresses, we know the IP address of one host is 25.34.12.56/16.
    What are the first address (network address) and the last address (limited broadcastaddress) in this block?
  2. In a block of addresses, we know the IP address of one host is 182.44.82.16/26.
    What are the first address (network address) and the last address in this block?

Question 5:

Find the netid and the hostid of the following IP addresses.

  1. 114.34.2.8

b.132.56.8.6

  1. 208.34.54.12

</pclass="msonormal">

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manish jayant 06-Jul-2020

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