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A company allows employees to work remotely. The security administrator is configuring services that will allow remote help desk personnel to work securely outside the company's headquarters. Which of the following presents the BEST solution to meet this goal? Configure a VPN concentrator to terminate in the DMZ to allow help desk personnel access to resources Open port 3389 on the firewall to the server to allow users to connect remotely Set up a jump box for all help desk personnel to remotely access system resources Use the company's existing web server for remote access and configure over port 8080 . O D