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» Cisco » Examen Cisco CCNA V3.1 » Module 4 » Final » Question 4/39

4.The output of the show interfaces serial 0/0 command for a frame-relay connection indicates that the serial line is up but the line protocol is down. What are possible causes for this? (Choose two.)

There is an LMI-type mismatch between the Frame Relay switch and the router.
There is no clock present on the serial interface.
The interface is shut down.
RARP is not functioning on the router.
The cable is disconnected.