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Posted on 2006-07-15
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Last Modified: 2010-04-13
Hi,

I have a question.

If you are assigned the IP address 172.16.1.1, what full class subnet mask is most likely the correct one to use?
a. 255.0.0
b. 255.255.0.0
c. 255.255.255.0
Answer: B

Why?
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Question by:dandeliondream
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danishtahir earned 125 total points
ID: 17114503
The default mask depends on the first octect, in your case, it is 172 which is for Class Be. 255.255.0.0 (the range for class B is 128-191). Have a look at the following article for more information.

http://en.wikipedia.org/wiki/Subnetwork
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