AWS Solutions Architect Associate (SAA-C02) Exam Prep Course - 2021 UPDATED! - Domain Name System (DNS)

The video tutorial introduces DNS, explaining its role in modern networks as a system for resolving human-friendly domain names to IP addresses. It covers the technical details of DNS, including RFCs and its hierarchical structure. The tutorial explains domains, host names, and the DNS resolution process, detailing how DNS servers work, including caching and recursion. It also discusses different types of DNS records, such as A, NS, MX, and CNAME records, and their functions.

What is the role of the root DNS server in the resolution process?

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How does caching work in a DNS server?

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Define what a zone file is in the context of DNS.

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What are the different types of DNS records mentioned in the text?

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