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» Cisco » Examen Cisco CCNA V3.1 » Module 2 » Chapitre 9 » Question 5/23

5.When issuing the show interfaces serial1 command, a network administrator receives the output shown in the graphic. What are the possible causes of an increase in the number of input errors? (Choose three.)

There could be Layer 3 addressing problems.
There could be a problem with faulty telephone equipment.
The router hardware could be defective.
There is an incorrectly configured encapsulation on the interface.
There could be a problem with the cabling.