From the course: CompTIA A+ Core 2 (220-1102) Cert Prep: 6 Networking

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Understanding DNS

Understanding DNS

From the course: CompTIA A+ Core 2 (220-1102) Cert Prep: 6 Networking

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Understanding DNS

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- Quick! What I want you to do is pick somebody who you call on the phone a lot and tell me what their phone number is. Now I'm not talking about, you know, somebody like critical like one of your kids or your spouse or somebody like that. We tend to memorize those numbers. I'm talking about that person from work or school that you call a lot, but you can't actually know their phone number. Why can we get away with that? The reason is, is because we use contact list on our phones. So whenever we meet somebody new, we enter in their phone number and their name, But from there on in, we just go ahead and hit their name, and we get to it. Well, the same thing happens on the internet. All around the internet, we have all of these computers, and all of these computers have IP addresses. And that's how computers communicate, is from IP address to IP address. The problem with computers is that they have to deal with these…

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