How is it possible for a server to tell, from the perspective of DNS, the difference between a request that is being issued for the internet and one that is being sent for email?

A+ Guide to Hardware (Standalone Book) (MindTap Course List)
9th Edition
ISBN:9781305266452
Author:Jean Andrews
Publisher:Jean Andrews
Chapter8: Connecting To And Setting Up A Network
Section: Chapter Questions
Problem 5RB
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How is it possible for a server to tell, from the perspective of DNS, the difference between a request that is being issued for the internet and one that is being sent for email?

 

 

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