Data connections

1. How does an FTP server know the port number to use for a data connection?

2. True or false: when a user runs an FTP application, the application acts as both a client and server. Explain your answer.

3. List the three types of protocols used with email, and describe each.

4. According to the original email paradigm, could a user receive email if the user’s computer did not run an email server? Explain


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