Okay, first assume that I am completely f*****g stupid BUT, desperate to understand subnet masking. I'm reading the MCSE TCP/IP guide (for some reason I enjoy it) and have reached the Subnet chapter.

I've got an exam tomorrow and I thought I knew how supernetting works but now I don't. <BR>For example here is a question on a sample exam they gave us: <BR><BR><I>5) An organisation is given a block ...