Networks – The Internet, Packet Switching, Cloud & DNS

1. What is the Internet? (page 20)
2. How are the Internet and the World Wide Web different?
3. What is a URL? Give an example (page 20)
4. What is packet switching? (page 18) (Try to summarise this in 4 or 5 bullet points)
5. What is ‘The Cloud’? (page 78 definition)
6. Pros and Cons of ‘The Cloud’ (page 20)
7. What is a Domain Name Server and what does it do? (Note: This came up in 2019 paper and was answered poorly by the vast majority of candidates)
8. Briefly describe the steps that happen when you access a world wide web page through the internet…(the first step is done for you)

• Load up web browser

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Now please have a go at the Knowledge Check