Machine-translated by Google. Questions are authored in English.
Top

Discussion

Which port number does FTP use by default for its control connection ?

  • A.21
  • B.23
  • C.25
  • D.110

Answer: A

Correct answer: 21

FTP uses port 21 to carry commands and port 20 for data in active mode. Port 23 belongs to Telnet, 25 to SMTP and 110 to POP3.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.