What is DNS resolution and how does it relate to the 'cannot reach' error?

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Grade: Education Subject: Support
What is DNS resolution and how does it relate to the 'cannot reach' error?
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DNS (Domain Name System) translates website names (like google.com) into IP addresses. If your device can't resolve the website's name to an IP address, Chrome won't be able to connect. You can try clearing your DNS cache in Chrome settings or using a public DNS server like Google DNS (8.8.8.8 and 8.8.4.4).