Question

1. What are the functions of the application layer? How were the earliest application-layer protocols defined? What application do you spend the most time on?

Answer 1

The function of the application layer: The main function of the application layer is to hide details of Transmossion Control Protocol and Internet Protocol from end user applications.

Earliest protocols were FTP, SMTP, Telnet.

The application I likely spend most time on is HTTP.

Step-by-step explanation:

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