FTP servers by default listen on port ________ for incoming connections from FTP clients.

A. 20

B. 21

C. 23

D. 25

Related Questions

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  18. In Integrated services model, ________ corresponds to token bucket filter.
  19. Which of the following is required to communicate between two computers?
  20. The worldwide Internet is a well-known example of ------------------.
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  23. In an active mode if any FTP client sends the port command "PORT 192,168,0,1,4,1" then what will be…
  24. A node, which is more powerful, and can handle local information processing or graphics processing is…
  25. In the symmetric-key method of cryptography, which key is publicly known?
  26. Which of the following protocol is used by Integrated Services for signaling of the reservation messages?
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  28. Which of the following is the port used by SMTP?
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