Cisco 640-692 Question Answer
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.
TESTED 11 Jul 2025
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