Domain names and IP address and role of DNS
- 1. Networks Year 8 – Autumn 1
- 2. LO: Summarise how domain names and IP addresses are linked, and the rol e of DNS Homework Solutions 1. What is the internet? A global network 2. What is the World Wide Web? The information available on the internet 3. How is the World Wide Web accessed? Using a web browser 4. What name do we give to a computer that hosts websites? A webserver 5. What is a data packet? A small chunk of data to be communicated
- 3. LO: Summarise how domain names and IP addresses are linked, and the rol e of DNS This Lesson Summarise how domain names and IP addresses are linked, and the role of DNS
- 4. LO: Summarise how domain names and IP addresses are linked, and the rol e of DNS URL and Domain Names Look at your browser's address bar. Whatever is written there is the URL of the page you are on. What ever is written there after the http://www but before the first / is the domain name of the site you are on. You'll be very familiar with some domain names like; google.com facebook.com yahoo.com youtube.com wikipedia.org URL Domain Name
- 5. LO: Summarise how domain names and IP addresses are linked, and the rol e of DNS Top Level Domains There are lots of Top Level Domains available to website owners. .com, .org, and .co.uk are just some of a few. Gather a list of 10 other Top Level Domains that are available.
- 6. LO: Summarise how domain names and IP addresses are linked, and the rol e of DNS IP addresses Domain names are like addresses. 10 Downing Street London, SW1A 2AA This is nice and easy for humans to say and remember. Another way of saying where the Prime Minister lives would be to use Longitude and Latitude. 51° 30 12.23 N, 0° 7 39.5 W ′ ″ ′ ″ This is tricky for a human to remember but great for a computer.
- 7. LO: Summarise how domain names and IP addresses are linked, and the rol e of DNS IP addresses Domain names are like address, they are designed for humans to read and remember. In reality a computer's address (that allows other computers on a network or the internet to find it), is made up of numbers. Computer use IP addresses to send messages to each other. 86.138.129.242 We need domain names because IP addresses are too difficult for humans to remember.
- 8. LO: Summarise how domain names and IP addresses are linked, and the rol e of DNS IP address examples What is the domain name for each of these IP addresses? http://216.58.213.174 http://72.21.211.176 Your computer has its own IP address… Type “IP address” in a Google search to find out what it is.
- 9. LO: Summarise how domain names and IP addresses are linked, and the rol e of DNS DNS – Domain Name System
- 10. LO: Summarise how domain names and IP addresses are linked, and the rol e of DNS DNS The Domain Name System (DNS) is like an address book that ‘looks up’ the IP address of the website you are trying to access. Task: Imagine you had to explain urls, domain names, IP addresses and DNS to somebody who had no idea what it was. Using whatever software you like (or even pen and paper if you prefer), create a product that you could use to help explain them to someone. You could create a poster, a presentation, a report. It's really up to you.
- 11. LO: Summarise how domain names and IP addresses are linked, and the rol e of DNS Update your workbook Reflect on what you have learnt this lesson. Make sure you write down your homework in your planner! Homework is due next lesson.
Editor's Notes
- #9: This video is 5:28 Here are some other videos should you prefer them. They are also available downloaded in the resources folder https://www.youtube.com/watch?v=2ZUxoi7YNgs&feature=youtu.be (2:26) https://youtu.be/72snZctFFtA (6:03) https://www.youtube.com/watch?v=WwyJGzZmBe8 (3:21)