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Dear Dad101,
Don't take is so personally. Abel is just upset because Cain got the better of him.

Try this link for help http://search.barnesandnoble.com/booksearch/isbnInquiry.asp?userid=2T9JXMDPTG&isbn=0072193115&itm=3

P.S. Nice name. Although, I think you should name your network...

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2 things wrong with your statement.
1. Ping is not a protocol but a network application utilizing IP at OSI layer 3.
2. There is no such thing as a "lowest layer protocol" What about...