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Sams Teach Yourself Network Troubleshooting in 24 Hours, Second Edition by Jonathan Feldman

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Hour 6. The Sesame Street Method: Using What Works

I’ll never forget when I ran into the doctor’s office as a rookie parent, sure that my baby’s skull had somehow gotten broken. Panicked, I showed the doctor how a certain area of the baby’s head had an odd-looking depression. The doctor laughed because he had seen this reaction about a million times from other rookie parents. He showed me a symmetrical mark on the other side of the baby’s skull, saying, “It would be highly unusual for a skull to get broken symmetrically, don’t you think?” He then went on to explain how this depression was a normal feature of a newborn’s skull.

The doctor could have taken many time-consuming and expensive actions, including ordering x-rays and so on; but because ...

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