An administrator needs to open ports in the firewall to support both major FTP transfer modes.
Which of the following default ports was MOST likely opened? (Select TWO)

A.
20

B.
21

C.
22

D.
23

E.
25

F.
53

Explanation:

FTP use both port 21 and 20 (port 21 for the command port and port 20 for the data).