Internet Addresses

What is a URL?
The URL is the IP address of the website

The browser broke the URL into three parts:

1. The protocol ("http")
2. The server name ("www.howstuffworks.com")
3. The file name ("web-server.htm")

What is an IP address and how is it related to a URL?

 each machine on the Internet is assigned a unique address called an IP addressThe browser communicated with a name server to translate the server name into an IP Address, which it uses to connect to the server machine.

   Given our school website's URL is http://www.mcauley.nsw.edu.au, what is our domain name and what protocol do you need to use to access the site?
domain name: mcauley
protocol: http://

    In the context of an IP address, what is an octet?

The four numbers in an IP address are called octets because they can have values between 0 and 255

What is meant by upload and download speed?

Uploading involves sending a copy of a file from a computer to a remote network connection.

Downloading involves the reception of a file that has been uploaded to a remote network.

Upload speed is usually slower than download speed because Internet providers have designed their system to optimize download speeds. This is because most Internet users spend more time downloading than uploading.

What are the units used to measure download speeds?

When talking about internet speed two units are often used - kbyte/s kbit/s

Why do different locations offer different download speeds? Hint: “bottleneck”

Because of the different connection such as dial up, wireless, ADSL connections, Cable connections