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Forum Replies

  1. Hi Rene,

    Cheat Sheet Table under Step 4 and Step 5 needs some correction. Please revisit and correct , it will be very useful for all of us.

    Thanks ,

    SV

     

  2. Another easy way to get the wildcard value is to subtract the value in each octet in the subnet mask from 255.

    Example: 255.255.248.0 subnet mask

    1st Octet: 255 - 255 = 0

    2nd Octet 255 - 255 =0

    3rd Octet 255 - 248 = 7

    4th Octent 255 - 0 = 255

    Giving a wildcard mask of 0.0.7.255

     

  3. Hi Rene,
    Are you going to talk about Wild Card and Access-List ?

    Thanks,

    Hoang Trinh

  4. not possible to write all that in the very small whiteboard they will give at the exam. Except when you write it directly on the desk…

  5. and it misses step 1 bis :slight_smile: after writ down 8 bits, calculate these :
    255-1 = 254
    254-2 = 252
    252-4 = 248
    248-8 = 240
    240-16 = 224
    224-32= 192
    192-64 = 128
    128-128 = 0

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