Lesson 3
The Journey of a Request
Follow a web page from your device to a server and back, and read browser errors as stops on that route.
Builds on
Predict
You tap a link a friend sent you. Chrome shows a grey error page with one line of code at the bottom: DNSPROBEFINISHED_NXDOMAIN.
Where did the journey stop?
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Choose a prediction, then select Next to see the answer.