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220-1201 · Question #242
220-1201 Question #242: Real Exam Question with Answer & Explanation
The correct answer is A: 21. Port 21 is the default TCP port for the File Transfer Protocol (FTP), which is used to establish control connections for file transfers between clients and servers.
Submitted by ravi_2018· Mar 30, 2026Networking
Question
Which of the following port numbers is used for a file transfer?
Options
- A21
- B53
- C68
- D389
Explanation
Port 21 is the default TCP port for the File Transfer Protocol (FTP), which is used to establish control connections for file transfers between clients and servers.
Topics
#Port numbers#FTP#Network protocols
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