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I think if read over again, you may gaspes soon technical knowledge.

Thanks for trying anyway. Just try and get the concept which is that whenever you whom I assume is a network novice tries to connect to the internet, something helps you in automatic configuration of your device which allows you to make internet connections. That "something" is what I explained here as DHCP (dynamic Host Configuration Protocol).

You guys are right, it is a detailed post, great effort by the writer.