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Resolving a website address
1. Browser requests website
2. If Local DNS doesnt resolve, forward address to root server on network.
3. Root server returns IP for local DNS of target
4. Local DNS directly requests target DNS
5. Target Local DNS returns IP of target Server.
6. Local DNS caches IP address
7. IP of target sent to browser
8. Browser directly contacts target for HTTP request.
URL
Uniform Resource Locator. Identifies the location of a resource on the internet. (eg. www.google.com/index.htm, index.htm is the resource located at www.google.com)
HTTP Request Lifecycle
1. With an IP address, a HTTP request with GET, POST, PUT or DELETE is made.
2. Request sent to Hosting server
3. Hosting server attempts to fulfill request for resource.
4. Resource is sent with a response to client.
5. Client processes the response.
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