In your own words , please answer the questions below, where X and Y are last tw
ID: 3680102 • Letter: I
Question
In your own words, please answer the questions below, where X and Y are last two numbers of your login ID, eg. if your login is abc356 X=5 and Y=6. If your login has only one number then X=0, if you have no numbers in your login X=Y=0. As an example if your login is abc7 then X=0 and Y=7; if your login is abc then X=0 and Y=0:
Suppose an ISP owns the block of addresses of the form 204.0.0.0/k where k=X+Y+7. Suppose it wants to create four subnets from this block, with each block having the same number of IP addresses What are the prefixes (of form a.b.c.d/h) for the four subnets? Justify your answer.
Last 2 numbers of id is 99
Explanation / Answer
Given Last 2 numbers of id is 99
abcd99
then X=9,Y=9
Substiute in k=x+y+7 then
k=9+9+7
=25
Then substiute in 204.0.0.0/k then
204.0.0.0/25.