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2 votes
2 votes

A supernet has a first address of $205.16.32.0$ and a supernet mask of $255.255.248.0.$  A router receives $4$ packets with the following destination addresses. Which packet belongs to this supernet?

  1. $205.16.42.56$
  2. $205.17.32.76$
  3. $205.16.31.10$
  4. $205.16.39.44$
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4 Answers

Best answer
7 votes
7 votes
AND ip address and supernet mask whichever option gives address of supernet is the ans

Here is d the ans
4 votes
4 votes

1 _ _ _ _ _ _ _ =27

_ _ _ _ _ _ 0 0 =26

1 _ _ _ _ _ 0 0 =25

27+26 -25=128+64-32 =192-32 =160

Option C  ??

1 votes
1 votes

first address of 205.16.32.0 i.e. Class C.
Default Subnet will be 255.255.255.0

supernet mask of 255.255.248.0. i.e. 3 bit for  Supernet and 21 bit for Network ID and rest 8 bit fot Host id.

205.16.39.44 will be correct option.


 

0 votes
0 votes
AND of subnet mask 255.255.248.0 & ip address 205.16.39.44 is 205.16.32.0 which is same as address of 205.16.32.0 and 255.255.248.0

So answer is D
Answer:

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