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    I'm in the process of reading the MOAC textbook for 70-293, and I have a major concern that I hope can be clarified.

    In chapter 2, when it talks about subnetting, (most likely due to the date the book was published,) it is assuming the fact that subnet-0 and all-ones subnet are not usable. For example, the book says that the usable address space for 192.168.0.0/224 is 192.168.0.32 to 192.168.0.223. This is saying that the subnet-0 and subnet-224 is unusable.

    When I do the certification, do I have to assume this outdated standard, or can I assume that these excluded subnets are usable, as they certainly are today?

    A+, Network+, MCP, MCTS:Windows 7 Configuration
    Tuesday, July 27, 2010 11:22 PM

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    Not sure if this is the same book but you can check the official correction of Exam 70-293 Book:

    http://support.microsoft.com/kb/917982

    If this is not the right book, I am sure all outdated information will not be in your exam.

    Hope this is helpful.

    Rubel Khan - MY BLOG!
    If your question was truly answered, please mark it as Answered and Vote as helpful. Thank you in advance.
    • Marked as answer by Rubel Khan Saturday, August 14, 2010 3:25 AM
    Wednesday, July 28, 2010 2:35 AM