Question:
Which command is used to know the duplex speed of serial link?
- show line
- show interface
- show protocol
- show run
Explanation: Nowadays all serial links are full-duplex (as serial interfaces have separate Rx & Tx pins) so maybe this question wants to ask about how to check the speed of the serial link. The “show interface” command gives us information about this. An example of this command is shown below:
In this output the speed of S0/0 interface is 1544 Kbits.
Exam with this question: CCNA v3.0 (200-125) Study Guide – Exam Dumps
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