Refer to the exhibit. An administrator cannot connect from R1 to R2. To troubleshoot this problem, the administrator ha

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Refer to the exhibit.

An administrator cannot connect from R1 to R2. To troubleshoot this problem, the administrator has entered the command shown in the exhibit. Based on the output shown, what could be the problem?

Refer To The Ex 1 (123.9 KiB) Viewed 58 times

A. The serial interface is configured for the wrong frame size.
B. The serial interface does not have a cable attached.
C. The serial interface has the wrong type of cable attached.
D. The serial interface has a full buffer.
E. The serial interface is configured for half duplex.