CompTIA A+ Certification Core 2 (220-1102) - Understanding DNS

CompTIA A+ Certification Core 2 (220-1102) - Understanding DNS

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial explains the Domain Name System (DNS) and its crucial role in the Internet. It covers the transition from host files to DNS, the hierarchical structure of DNS, and how it resolves domain names to IP addresses. The tutorial also discusses DNS caching, domain registration, and the use of DNS in email authentication through technologies like DMARC, DKIM, and SPF.

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1 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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