CompTIA
220-1101 · Question #857
Which of the following port numbers is used for a file transfer?
The correct answer is A. 21. Port 21 is used by FTP (File Transfer Protocol) for file transfers. Port 53 is for DNS, port 68 is for DHCP, and port 389 is for LDAP.
Networking
Question
Which of the following port numbers is used for a file transfer?
Options
- A21
- B53
- C68
- D389
How the community answered
(20 responses)- A95% (19)
- C5% (1)
Explanation
Port 21 is used by FTP (File Transfer Protocol) for file transfers. Port 53 is for DNS, port 68 is for DHCP, and port 389 is for LDAP.
Topics
#Port numbers#FTP#Networking protocols#Well-known ports
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