A technician is setting up a server that requires two connections between the client and the server, one for commands and replies, the other for the actual transfer of files. What type of server will accomplish this task?

The type of server that requires two connections between the client and the server, one for commands and replies and the other for the actual transfer of files, is an FTP server (File Transfer Protocol server).

Here’s a brief overview of why the other server types don’t fit this description:

• Print Server: A print server manages print requests and network-connected printers. It typically does not use two separate connections for commands and data transfer as described.
• DNS Server (Domain Name System server): A DNS server translates domain names into IP addresses. It does not require two separate connections for command and data transfer.
• Web Server: A web server hosts and serves web pages. It primarily uses HTTP or HTTPS protocols, which do not inherently require two separate connections for commands and file transfers.

FTP, on the other hand, specifically uses two distinct network connections in its standard mode of operation: one for sending control commands (like login credentials and commands to change directories or list files) and another for the actual transfer of files. This is a distinctive feature of the FTP protocol.