File transfer protocol (FTP)
A program used to copy files from one system to another over a network. ________ operates on TCP ports 20 (the data port) and 21 (the control port).
The indexed versions don't agree on this one
This question appears on 5 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.
When a firewall opens a port because a computer behind the firewall initiates communication on another port.
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A protocol in the TCP/IP protocol suite that is optimized for file transfers. It uses ports 20 and 21.
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The secure connection created between user's computer and a company's network.
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A program used to copy files from one system to another over a network. ________ operates on TCP ports 20 (the data port) and 21 (the control port).
Tia Cissp
File transfer - passive FTP; TCP port 21
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