Multiple choice

During an FTP session, the data connection is opened

  1. exactly once

  2. exactly twice

  3. as many times as necessary

  4. none of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

FTP opens a new data connection for each file transfer operation during a session. The control connection stays open, but data connections are created and closed as needed for each transfer.

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