Which three of the following statements are true about a smart jack?

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.

640-692 PDF/Engine

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