REST APIs with Flask and Python - What is Domain Name System (DNS)?

REST APIs with Flask and Python - What is Domain Name System (DNS)?

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video explains how the Domain Name System (DNS) works, starting with a browser's attempt to find an IP address for a domain. It describes the DNS query process, involving root servers, TLD servers, and authoritative name servers. The video also covers setting up DNS with Cloudflare and concludes with a summary and next steps for correcting DNS settings.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the first action taken by a browser when it does not know the IP address for a domain?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the operating system contribute to the DNS query process?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the role of root servers in the Domain Name System.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when a TLD server does not know the IP address of a specific domain?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process the browser follows to obtain the IP address of a domain.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What are authoritative name servers and what is their significance?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What modifications are suggested for DNS settings in the lecture?

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