Questions and Answers
What is the name of the person mentioned in the text?
Esther
What type of website is mentioned in the text?
DJ school
What activity is associated with the local IP address in the text?
Website hosting
Which animal is mentioned in the text?
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What electronic device is mentioned in the text?
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What is the main function of DNS?
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Which type of server connects the web browser to DNS name servers?
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How many sets of root name servers are there?
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What is the role of a top-level domain (TLD) name server?
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Which server is responsible for providing the DNS resolver?
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Study Notes
Understanding DNS
- Computers identify each other using unique numbers called IP addresses.
- Computers do not understand human languages, including English.
- DNS (Domain Name System) acts as a translator between humans and computers to facilitate communication.
Role of DNS in Website Loading
- When a website's address is typed in the web browser's URL bar, DNS translates the domain name to the corresponding IP address.
- DNS maintains a table that maps domain names to their IP addresses.
- The translated IP address is then sent to the web browser, allowing it to understand the request and load the website.
Analogy for DNS Functionality
- DNS can be likened to a translator between languages, such as English and French, facilitating communication between humans and computers.
- Just as a human translator helps communicate between people speaking different languages, DNS translates human-readable domain names to computer-readable IP addresses.
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