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Determining Subnet Name [AD] - Exercise

Objective: To define the parameters of a subnet name.


You will receive 5 points for this exercise. The exercise is auto-scored; when you have completed the exercise, submit your answer in the text box below .

Background and Overview

In this scenario, you must determine a classless format subnet identifier (name) based on the IP address and subnet mask of the computer you are currently working on. You may use the Windows scientific calculator for this exercise.


  1. Bring up a command prompt by selecting Run from the Start menu and typing cmd in the Run box. At the prompt, type IPCONFIG.
  2. Use this utility to find out the IP address and subnet mask of your computer.
  3. Convert the mask to binary, perform an AND operation with the subnet mask, and convert the result back to dotted decimal notation.