Refer to the exhibit. Router R1 is not able to communicate with a neighbor router that is directly connected to serial 0/0/0. What is the reason for this?
- Interface Serial0/0/0 resets very frequently.
- PPP LQM has shutdown the serial interface.
- The serial interface has no input or output queues available.
- The serial interface is not configured for a Layer 2 protocol.
- The interface has been administratively shutdown with the shutdown command.
Exam with this question: CCNA Exploration 4: EWAN Chapter 2 Exam
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