What happened to my question

What happened to my question I posted on here. It was a question regarding MCSA and it was a question from an all in one practice exam? It was here then it disappeared.
Remington Forbes
www.blacksintechnology.net
www.blacksintechnology.net
Comments
A lot of boards don't allow questionls like that because it could be copyrighted or it could be a braindump.
2020 Goals: 0 of 2 courses complete, 0 of 2 exams complete
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More importantly, you don't need to post a complete multiple choice question to get the answer, or better (since you want to know more than a,b,c, or d), understand it. Just ask the question as if it were you in a real world situation and don't include all the answers as options or leave out the scenario. Anything besided the complete m.c. question goes. Try to disuss the technology instead of the m.c. questions. I don't know what your question was about but feel free to ask 'your' question again.
I have a computer that can see some computers on the network , but not all of them. The thing is the systems the computer cant see are on the same subnet. the IP address of the computer is 10.25.37.13 and the subnet is 255.255.255.240, why is it that it can only see some of the systems and not all?
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