CCNA Practice Exam Test Sample – Question 85

What parameter can be different on ports within an EtherChannel?

A. speed
B. DTP negotiation settings
C. trunk encapsulation
D. duplex

Correct Answer: B
Section: LAN Switching Technologies

Explanation:
For an etherchannel to come up, the speed, duplex and the trunk encapsulation must be the same on each end.