FTP (File Transfer Protocol)
Encrypted communication link - tcp/22 Looks and acts the same as Telnet
The indexed versions don't agree on this one
This question appears on 7 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.
Encrypted communication link - tcp/22 Looks and acts the same as Telnet
Comptia A+ Course Notes · Comptia A+ Notes · Comptia Notes
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.
Comptia Certmaster Practice For Network+
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
20/21
Security Plus Ports
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