Community QuestionSeen on 7 CBTs

FTP (File Transfer Protocol)

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Answer

A protocol used to transfer files across the Internet. Variants include S(ecure)FTP, FTP with SSL (FTPS and FTPES) and T(rivial)FTP. FTP utilizes ports 20 and 21.

Alternate answers seen on other CBTs

The same question shows up worded slightly differently across CBT versions. Here are the other answer variants we've indexed.

Encrypted communication link - tcp/22 • Looks and acts the same as Telnet

Comptia A+ Course Notes

tcp/20 (active mode data), tcp/21 (control) - transfer files between systems with authentication, with a username and password

Dr Messer Comptia

tcp/20(active mode data), tcp21(control), transfers files between systems. authenticates with a username and password

Professor Messer Network Plus