Describe network protocols : Using Domain Name Servers

Describe network protocols : Using Domain Name Servers

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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FREE Resource

The video tutorial explains the Domain Name System (DNS), its purpose, and how it helps translate human-friendly domain names into IP addresses. It covers the history of DNS, its evolution from a central server to a distributed system, and the hierarchical structure of domain names. The tutorial also demonstrates how to query DNS in Java, highlighting the simplicity of using the API to retrieve IP addresses from domain names.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the primary purpose of domain name servers?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Why do humans find it difficult to remember IP addresses?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the implications of having a central domain name server?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the hierarchical structure of domain names.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the distributed nature of domain name servers enhance efficiency?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how querying an IP address for a domain name works in Java.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens if an invalid domain name is queried?

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