CCNA Cisco Certified Network Associate (#281)

Section: Version 2.0

What are two reasons that duplex mismatches can be difficult to diagnose? (Choose two.)

The interface displays a connected (up/up) state even when the duplex settings are mismatched.
1-Gbps interfaces are full-duplex by default.
Full-duplex interfaces use CSMA/CD logic, so mismatches may be disguised by collisions.
The symptoms of a duplex mismatch may be intermittent.
Autonegotiation is disabled.