Joe, a Technician, Is Attempting to Resolve an Issue with an Off-Site

Multiple Choice

Joe, a technician, is attempting to resolve an issue with an off-site router remotely. Joe needs to reset the WAN connection settings and wants to ensure he will have access to the router at all times to monitor the changes. Which of the following solutions would BEST meet this goal?

A) Use a secure SSH connection over the WAN link.
B) Telnet into the router over the company VPN.
C) Implement a modem on the AUX port.
D) Configure a DSL router to the console port.