Problem 2
Table 21-6 Practice Problem 2: First Two Steps
For Problem 2, at Step 3, the shortest mask is /23, so the initial mask will be 1 smaller, or /22. Finding the correct answer requires four passes through calculating a new subnet ID and mask, with the final answer shown in Table 21-7.
Table 21-7 Practice Problem 2: Multiple Passes Through Step 4 (Correct Answers Highlighted)
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