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Real-World SRE
book

Real-World SRE

by Nat Welch
August 2018
Beginner to intermediate content levelBeginner to intermediate
340 pages
7h 30m
English
Packt Publishing
Content preview from Real-World SRE

Sending an HTTP request

One of my favorite interview questions, which seems to be used by just about everyone, is to ask the interviewee to describe all of the steps of an HTTP request. There are lots of ways you could dig into this. I once had someone explain to me how the computer interprets keyboard presses. While that is fascinating, for now we will walk through the networking side of things.

Let's say you type natwelch.com/resume into your browser. We will go through all of the steps that happen for that to deliver content for your browser to render.

DNS

DNS (domain name system): Computers talk to each other using IP addresses and DNS translates a domain into an IP address. Technically, DNS does a little more than that, but let's start by describing ...

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Publisher Resources

ISBN: 9781788628884Supplemental Content