A Windows user contacted the help desk with a problem that requires the technician to connect to the remote computer using Remote Assistance to view a very detailed and cryptic error message on the user's desktop. Each attempt the technician makes to connect to the remote computer results in a message stating the connection was refused. Which of the following protocol and port number combinations should be opened on the remote computer's firewall to allow this connection?

RDP port 3389 .

Explanation:

A Windows user has informed the helpdesk with such an issue that requires the operator to link to the remote server through Remote Assistance to access the user's screen with a very comprehensive and ambiguous error message. Almost any attempt made by the operator to link to the remote access concludes in a message that says that the connection has been denied. To make this link, the following protocol and the port number combinations must be enabled on the firewall of the remote connection.

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