Go back to 640-760 - Supporting Cisco Service Provider IP NGN Operations

Question :-

Which verification step would help in troubleshooting a large number of CRC errors observed on an interface?
Verify that the physical link connected to the interface is not defective.
Verify that encapsulation type on the interface matches on both ends of the link.
Verify that the interface is in shutdown and cannot receive data.
Verify that the clock rate on the interface does not match the other end of the link.

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