Which three of the following statements are true about a smart jack? (Choose three)
It provides signal conversion.
It operates at Layer 2 of the OSI model.
It regenerates the signal to compensate for signal degradation from line transmission.
It provides loopback testing.
It acts as a concentration point for dial-in and dial-out connections.
Which command initiates copying the saved configuration of a Cisco device to a TFTP server?
copy running-config tftp
copy startup-config tftp
copy tftp running-config
copy tftp startup-config
